Firebug Preferences

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Firebug adds several configuration options to Firefox. Some of these options can be changed through the UI, others can be manipulated only via about:config. The following table is a list of all preferences Firebug is having (all preferences besides javascript.options.strict.debug are starting with "extensions.firebug.", but for space reasons this is left out).

Contents

Main preferences

Option Description Valid Values Default UI Equivalents
architecture Firebug 1.8 - string "inProcess" -
defaultModuleList Firebug 1.8 - List of modules (separated by a space) "" -
javascript.options.strict.debug Firefox internal option for enabling strict debug info true, false false -
defaultPanelName Panel shown by default "console", "html", "stylesheet", "script", "dom", "net", "cookies" + panels from extensions "html" -
throttleMessages Delay logs (e.g. in the Console panel) and continue after timeout. true, false true -
textSize Text size used inside Firebug (not an actual text size but an index of a predefined factor) integer between -3 and 6 0 Firebug Menu > Text Size > Increase Text Size/Decrease Text Size/Normal Text Size
showInfoTips Specifies whether info popups shall be shown inside Firebug true, false true Firebug Menu > Options > Show Preview Tooltips
textWrapWidth Maximal number of characters after which the lines in the text of response bodies inside the Net Panel are wrapped - 100 -
framePosition Firebug 1.9 Position of the Firebug UI "detached", "top", "right", "bottom", "left" "bottom" Firebug Menu > Firebug UI Location > Detached/Top/Bottom/Left/Right
previousPlacement Previous Firebug UI placement within the browser (0=unknown, 1=in browser, 2=in a new window, 3=minimized 0, 1, 2, 3 0 Window buttons on the right side of the panel bar.
showErrorCount Specifies whether the JavaScript error count shall be shown besides the Status Bar Icon true, false true Start Button context menu > Show Error Count
viewPanelOrient Specifies, whether the side panels shall be oriented vertically or horizontally true, false false Firebug Menu > Options > Vertical Panels
allPagesActivation Specifies whether Firebug shall be enabled by default for all websites "on", "none" "none" Start Button context menu > On for All Web Pages
hiddenPanels List of panels, that are not shown inside the panel bar (separated by a space) "console", "html", "stylesheet", "script", "dom", "net", "cookies" + panels from extensions "" Firebug Panel Bar > Panel Selector
panelTabMinWidth Minimal width in pixels of the Panel tabs inside the Panel Bar when there is not enough horizontal space positive integer (0=tab width is not reduced) 60 (50 up to 1.12) -
sourceLinkLabelWidth Maximum amount of characters for link labels to source files (displayed e. g. in Style Side Panel or Console Panel) non-negative integer (0=label width is not reduced) 17 -
currentVersion If Firebug version is bigger than the one in this string, a first-run welcome page is displayed Version as string "" -
showFirstRunPage Firebug 1.9 Specifies whether to show an info page with information about what has changed when Firebug is updated true, false true -
useDefaultLocale Set to true, if Firebug should use default (en-US) locale instead of the current Firefox locale true, false false -
activateSameOrigin Specifies whether to activate Firebug for all pages matching the same origin policy. If deactivated, Firebug will be activated for each URL path individually (disregarding parameters and anchors)
Read more about Firebug Activation.
true, false true Firebug Menu > Options > Activate Same Origin URLs
toolbarCustomizationDone Set to true if the Start Button has been initially appended into Firefox toolbar true, false false -
showBreakNotification If true, Firebug shows a notification message when break in debugger happens (break on debugger; keyword, break on an error, etc.) true, false true Script panel options menu > Show Break Notifications
stringCropLength Firebug 1.9 Default length limit for cropped strings non-negative integer 50 -
hideDefaultInspector Firebug 1.10 Set to true, if the built-in Inspect Element menu item should be removed from Firefox page context menu true, false false -
delayLoad Firebug 1.10 Specifies whether Firebug should not be loaded on browser start true, false true -
enableOrion Firebug 1.10 Specifies whether Firebug should use Orion for the Command Editor true, false true -
commandEditor Specifies whether the Command Editor shall be shown instead of the Command Line true, false false Button at the right of the Command Line
alwaysShowCommandLine Firebug 1.8 Specifies whether the Command Line Popup should always be shown true, false false -
searchCaseSensitive Specifies whether seaching inside the panels is case sensitive true, false false Search options panel > Force Case Sensitive
searchGlobal Specifies whether to search in multiple files when seaching inside the panels true, false false Search options panel > Multiple Files
searchUseRegularExpression Specifies whether to use regular expressions for seaching inside the panels true, false false Search options panel > Use Regular Expression
netSearchHeaders Specifies whether to search inside the headers of the requests inside the Net Panel true, false false -
netSearchParameters Specifies whether to search inside the parameters of the requests inside the Net Panel true, false false -
netSearchResponseBody Specifies whether to search inside the response of the requests inside the Net Panel true, false false Search options panel > Response Bodies
console.defaultPersist Specifies whether the Console Panel display is persisted by default true, false false -
net.defaultPersist Specifies whether the Net Panel display is persisted by default true, false false -
showJSErrors Specifies whether to show JavaScript errors inside the Console Panel true, false true Console panel options menu > Show JavaScript Errors
showJSWarnings Specifies whether to show JavaScript warnings inside the Console Panel true, false false Console panel Options Menu > Show JavaScript Warnings
showCSSErrors Specifies whether to show CSS errors inside the Console Panel true, false false Console panel options menu > Show CSS Errors
showXMLErrors Specifies whether to show XML errors inside the Console Panel true, false false Console panel options menu > Show XML/HTML Errors
showChromeErrors Specifies whether to show browser and extensions internal errors inside the Console Panel true, false false Console panel options menu > Show Chrome Errors
showChromeMessages Specifies whether to show browser and extensions internal messages inside the Console Panel true, false false Console panel options menu > Show Chrome Messages
showNetworkErrors Specifies whether to show network communication errors inside the Console Panel true, false true (false up to 1.7) Console panel options menu > Show Network Errors
showXMLHttpRequests Specifies whether to show XMLHttpRequests inside the Console Panel true, false true Console panel options menu > Show XMLHttpRequests
showStackTrace Specifies whether to show the stack trace for JavaScript errors inside the Console Panel true, false false Console panel options menu > Show Stack Trace With Errors
console.logLimit Maximal number of log messages shown inside the Console Panel non-negative integer (0=no limit) 500 -
console.enableSites Specifies whether the Console Panel is enabled true, false false Console panel options menu > Enabled/Disabled
tabularLogMaxHeight Maximal height in pixels of tabular Console Panel entries non-negative integer (0=no limit) 200 -
consoleFilterTypes Type of messages shown inside the Console Panel "all", "error", "warning", "info", "debug" "all" Console Panel filter buttons
preferJSDSourceLinks Firebug 1.10 Allows more exact matching of source code at the cost of performance true, false false -
commandLineShowCompleterPopup Firebug 1.12 If true, the Completion List Popup will be shown while typing in the Command Line true, false true -
console.groupLogMessages Firebug 1.12.1 If true, messages logged to the Console Panel will be grouped in case they are equal true, false true -
showCommentNodes Specifies whether to display comment nodes inside the HTML Panel true, false false HTML panel options menu > Show Comments
showTextNodesWithWhitespace Specifies whether to display white space characters in text nodes inside the HTML Panel true, false false HTML panel options menu > Show White Space
entityDisplay Specifies how entities shall be displayed within the HTML Panel (names=displays the entity name if there is one, symbols=displays the characters in symbolic form and unicode=displays them in their Unicode representation) "names", "symbols", "unicode" "symbols" HTML panel options menu > Show Entities As Symbols/Show Entities As Names/Show Entities As Unicode
showFullTextNodes Specifies whether to display the whole content of text nodes inside the HTML Panel true, false true HTML panel options menu > Show Full Text
highlightMutations Specifies whether to highlight changes on elements inside the HTML Panel true, false true HTML panel options menu > Highlight Changes
expandMutations Specifies whether to expand changes on elements inside the HTML Panel true, false false HTML panel options menu > Expand Changes
scrollToMutations Specifies whether to scroll to elements inside the HTML Panel when they are changed true, false false HTML panel options menu > Scroll Changes Into View
shadeBoxModel Specifies whether to show the box model while hovering an element inside the HTML Panel or just mark it with a frame true, false true HTML panel options menu > Shade Box Model
showQuickInfoBox Specifies whether to display a popup with information when hovering an element inside the HTML Panel true, false false HTML panel options menu > Show Quick Info Box
displayedAttributeValueLimit Maximal number of characters for displayed attribute values inside HTML Panel non-negative integer (0=no limit) 1024 -
multiHighlightLimit Firebug 1.9 Maximal number highlighted elements on the page (e.g. when hovering arrays of elements inside the Console Panel) non-negative integer (0=no limit) 250 -
onlyShowAppliedStyles Set to true, if only applied styles should be shown inside the Style Side Panel for the element selected in the Node View true, false false Style side panel options menu > Only Show Applied Styles
showUserAgentCSS Specifies whether to show the default CSS styles defined by the browser inside the Style and Computed Side Panel true, false false Style side panel options menu/Computed side panel options menu > Show User Agent CSS
expandShorthandProps Specifies whether to expand shorthand properties inside the CSS Panel and the Style Side Panel true, false false CSS panel options menu/Style side panel options menu > Expand Shorthand Properties
cssEditMode Specifies, whether to edit the source code of the CSS inside the CSS Panel or the live view of the CSS returned by Firefox "Source", "Live" "Source" CSS panel toolbar > Source Edit/Live Edit
colorDisplay Firebug 1.10 Specifies how CSS color values shall be displayed ("hex"=hexadecimal format, "rgb"=RGB(A) format, "hsl"=HSL(A) format) "hex", "rgb", "hsl" "hex" CSS panel options menu > Colors as Hex/Colors as RGB/Colors as HSL
showMozillaSpecificStyles Specifies whether Mozilla specific styles shall be displayed inside the Computed Side Panel true, false false Computed side panel options menu > Show Mozilla Specific Styles
computedStylesDisplay Specifies, whether to display the CSS properties inside the Computed Style Panel grouped by category or alphabetically "grouped", "alphabetical" "grouped" Computed side panel options menu > Sort alphabetically
breakOnErrors Toggles the Break On All Errors feature true, false false Console panel toolbar > Break On All Errors ( Break on all errors button.png )
trackThrowCatch Specifies whether to track throw/catch blocks inside the Script Panel true, false false Script panel options menu > Track Throw/Catch
script.enableSites Specifies whether the Script Panel is enabled true, false false Script panel options menu > Enabled/Disabled
scriptsFilter Type filter used for the Script Location Menu "static", "evals", "events", "all" "all" Script panel toolbar > Script Type Menu
replaceTabs The number of spaces used for displaying tabs inside the Script Panel non-negative integer (0=no replacement) 4 -
filterSystemURLs Specifies whether Firebug shouldn't be activated for browser internal URLs true, false true -
maxScriptLineLength Firebug 1.9 Maximal line length for scripts displayed inside the Script Panel non-negative integer 10000 (0=lines are not cropped) -
omitObjectPathStack Specifies whether to hide the call stack inside the Script panel toolbar true, false false Stack side panel options menu > Omit Toolbar Stack
showStackFrameArguments Firebug 1.12 Specifies whether function arguments are displayed within the call stack inside the Stack Side Panel true, false true Stack side panel options menu > Show Arguments
showUserProps Specifies whether to display user-defined properties inside the DOM Panel/DOM side panel and the Watch Side Panel true, false true DOM panel options menu/DOM side panel options menu/Watch side panel options menu > Show User-defined Properties
showUserFuncs Specifies whether to display user-defined functions inside the DOM Panel/DOM side panel and the Watch Side Panel true, false true DOM panel options menu/DOM side panel options menu/Watch side panel options menu > Show User-defined Functions
showDOMProps Specifies whether to display DOM properties inside the DOM Panel/DOM side panel and the Watch Side Panel true, false true DOM panel options menu/DOM side panel options menu/Watch side panel options menu > Show DOM Properties
showDOMFuncs Specifies whether to display DOM functions inside the DOM Panel/DOM side panel and the Watch Side Panel true, false false DOM panel options menu/DOM side panel options menu/Watch side panel options menu > Show DOM Functions
showDOMConstants Specifies whether to display DOM constants inside the DOM Panel/DOM side panel and the Watch Side Panel true, false false DOM panel options menu/DOM side panel options menu/Watch side panel options menu > Show DOM Constants
showInlineEventHandlers Firebug 1.9 Specifies whether to display inline event handlers inside the DOM Panel/DOM side panel and the Watch Side Panel true, false false DOM panel options menu/DOM side panel options menu/Watch side panel options menu > Show Inline Event Handlers
showClosures Firebug 1.11.2 Specifies whether to display properties inside closures inside the DOM Panel/DOM side panel and the Watch Side Panel true, false false DOM panel options menu/DOM side panel options menu/Watch side panel options menu > Show Closures
ObjectShortIteratorMax How many properties to show in object summaries non-zero positive integer 3 -
showEnumerableProperties Firebug 1.8 Specifies whether only enumerable properties shall be shown inside the DOM Panel true, false true DOM panel options menu/DOM side panel options menu/Watch side panel options menu > Show Enumerable Properties Only
showOwnProperties Firebug 1.8 Specifies whether only an object's own properties shall be shown inside the DOM Panel true, false false DOM panel options menu/DOM side panel options menu/Watch side panel options menu > Show Own Properties Only
showRulers Specifies whether to display rulers when hovering the parts of the box model inside the Layout Side Panel true, false true Layout side panel options menu > Show Rulers And Guides
netFilterCategories List of request filters used to filter the Net panel's requests list all, css, js, xhr, image, plugin, media, font; renamed and extended to be able to take multiple filters in 1.12 all Net panel filter buttons
net.logLimit Maximal number of entries inside the Net panel's requests list non-negative integer (0=no limit) 500 -
net.enableSites Specifies whether the Net Panel is enabled true, false false Net panel options menu > Enabled/Disabled
net.hiddenColumns List of hidden columns inside the Net Panel (separated by a space) netHrefCol, netLocalAddressCol, netStatusCol, netProtocolCol, netSizeCol, netDomainCol, netRemoteAddressCol, netTimeCol "netProtocolCol netLocalAddressCol" ("netLocalAddressCol" up to 1.8.4 and "" up to 1.7) Net panel request list header context menu
net.curlAddCompressedArgument Firebug 1.12 Specifies whether the copying a network request as cURL command should add the --compressed argument true, false false -
netDisplayedResponseLimit Maximal size in bytes of the response body for the preview inside the request info of a request inside the Net panel's requests list non-negative integer (0=no limit) 102400 -
netDisplayedPostBodyLimit Maximal size in bytes of the response body for preview inside the request info inside the Net panel's requests list non-negative integer (0=no limit) 10240 -
netPhaseInterval Time span in milliseconds, after which the waterfall graph inside the Net Panel is broken non-negative integer (0=graph is not broken) 1000 -
sizePrecision Number of decimal places for the display of the file size inside the Net Panel integer between 0 and 2 1 -
netParamNameLimit Maximal number of characters of the request parameter names displayed in the request info inside the Net Panel non-negative integer (0=no limit) 25 -
netShowPaintEvents Specifies whether DOM paint events shall be shown as vertical lines inside the Net Panel true, false false Net panel options menu > Show Paint Events
netShowBFCacheResponses Specifies whether HTTP responses coming from the BFCache should be displayed inside the Net Panel true, false false Net panel options menu > Show Paint Events
netHtmlPreviewHeight Firebug 1.8 Height of the HTML preview of a request inside the Net Panel positive integer 100 -
sortJsonPreview If true, JSON preview in the Net Panel is sorted by keys true, false false Net panel's requests list > request > JSON tab > Sort by key/Do not sort
cache.mimeTypes List of additional MIME-types, that should be cached by Firebug's internal cache space-separated list of strings "" -
cache.responseLimit Maximum size limit for cached and displayed network responses non-zero positive integer 5242880 -
cookies.enableSites Firebug 1.10 Specifies whether the Cookies Panel is enabled true, false false Cookies panel options menu > Enabled/Disabled
cookies.logEvents Firebug 1.10 If true, cookie events will be logged to the console true, false false Console panel options menu > Show Cookie Events
cookies.clearWhenDeny Firebug 1.10 If true, cookies will automatically be removed when the cookie acceptance is set to deny cookies from the current domain true, false true -
cookies.filterByPath Firebug 1.10 Specifies whether to filter cookies by their path; if set to false, you'll also see cookies that apply to the domain but not to the current page true, false true Cookies panel Filter menu > Filter Cookies By Current Path
cookies.showRejectedCookies Firebug 1.10 If true, denied cookies will be listed inside the Cookies Panel; (see also the preference extensions.firebug.cookies.clearWhenDeny) true, false false -
cookies.defaultExpireTime Firebug 1.10 Default expiration time in seconds when creating a cookie non-negative integer 3600 -
cookies.lastSortedColumn Firebug 1.10 Specifies the column plus the sort order (separated by a space) used for sorting the cookies "colName", "colValue", "colRawValue", "colDomain", "colRawSize", "colSize", "colPath", "colExpires", "colHttpOnly", "colSecurity" + "asc", "desc" "colName asc" ("" up to 1.12) -
cookies.hiddenColumns Firebug 1.10 List of hidden columns inside the Cookies Panel (separated by a space) "colName", "colValue", "colRawValue", "colDomain", "colRawSize", "colSize", "colPath", "colExpires", "colHttpOnly", "colSecurity" "colRawValue colStatus colSize" Cookies panel cookies list header context menu
cookies.removeConfirmation Firebug 1.10 If true, a confirmation dialog will be shown before all cookies are removed true, false true Cookies panel Cookies menu > Remove Cookies > Do not show this message again
cookies.removeSessionConfirmation Firebug 1.10 If true, a confirmation dialog will be shown before session cookies are removed true, false true Cookies panel Cookies menu > Remove Session Cookies > Do not show this message again
externalEditors List of names of configured external editors comma seperated list of strings "" Firebug Menu > Open With Editor > Configure Editors... > Add/Change/Remove
debugCommandLineAPI Firebug 2.0 Enables helper commands (for debugging purposes) on the Command Line. No browser restart needed true, false false -
showWrappedListeners Firebug 2.0 If true, the Events Panel will show event listeners wrapped by other functions (common with JavaScript libraries) true, false true Events panel options menu > Show Wrapped Listeners
a11y.enable Specifies wether keyboard accessibility shall be enabled true, false false Firebug Menu > Options > Enable Accessibility Enhancements

Keyboard shortcut preferences

Option Description Valid Values Default UI Equivalents
key.shortcut.reenterCommand Keyboard shortcut for re-entering a command key constants seperated by spaces "control shift e" Firebug Menu > Customize Shortcuts > Reenter Command
key.shortcut.toggleInspecting Keyboard shortcut for toggling the Inspector key constants seperated by spaces "accel shift c" Firebug Menu > Customize Shortcuts > Toggle Inspecting
key.shortcut.toggleQuickInfoBox Keyboard shortcut for toggling the Quick Info Box key constants seperated by spaces "accel shift i" Firebug Menu > Customize Shortcuts > Toggle Quick Info Box
key.shortcut.toggleProfiling Keyboard shortcut for toggling profiling key constants seperated by spaces "accel shift p" Firebug Menu > Customize Shortcuts > Toggle Profiling
key.shortcut.focusCommandLine Keyboard shortcut for setting the focus to the Command Line key constants seperated by spaces "accel shift l" Firebug Menu > Customize Shortcuts > Focus Command Line
key.shortcut.focusFirebugSearch Keyboard shortcut for setting the focus to the Search Field key constants seperated by spaces "accel f" ("accel shift k" up to 1.8.4; see issue 4556) Firebug Menu > Customize Shortcuts > Focus Firebug Search
key.shortcut.focusWatchEditor Keyboard shortcut for setting the focus to the editor inside the Watch Side Panel key constants seperated by spaces "accel shift n" Firebug Menu > Customize Shortcuts > Focus Watch Editor
key.shortcut.focusLocation Keyboard shortcut for setting the focus to the location key constants seperated by spaces "control shift VK_SPACE" Firebug Menu > Customize Shortcuts > Focus Location
key.shortcut.nextObject Keyboard shortcut for going to the next object key constants seperated by spaces "control ." Firebug Menu > Customize Shortcuts > Next Object
key.shortcut.previousObject Keyboard shortcut for going back to the previous object key constants seperated by spaces "control ," Firebug Menu > Customize Shortcuts > Previous Object
key.shortcut.toggleFirebug Keyboard shortcut for toggling Firebug key constants seperated by spaces "VK_F12" Firebug Menu > Customize Shortcuts > Open Firebug
key.shortcut.closeFirebug Firebug 1.10 Keyboard shortcut for deactivating Firebug for the current website key constants seperated by spaces "shift VK_F12" Firebug Menu > Customize Shortcuts > Close Firebug
key.shortcut.detachFirebug Keyboard shortcut for detaching Firebug to a seperate window key constants seperated by spaces "accel VK_F12" Firebug Menu > Customize Shortcuts > Open Firebug in New Window
key.shortcut.leftFirebugTab Keyboard shortcut for going to the previous panel inside the Panel Bar key constants seperated by spaces "accel shift VK_PAGE_UP" Firebug Menu > Customize Shortcuts > Switch to left Firebug panel
key.shortcut.rightFirebugTab Keyboard shortcut for going to the next panel inside the Panel Bar key constants seperated by spaces "accel shift VK_PAGE_DOWN" Firebug Menu > Customize Shortcuts > Switch to right Firebug panel
key.shortcut.previousFirebugTab Keyboard shortcut for going back to the previous Firebug Panel key constants seperated by spaces "control `" Firebug Menu > Customize Shortcuts > Previous Firebug tab
key.shortcut.clearConsole Keyboard shortcut for clearing the Console key constants seperated by spaces "accel shift r" Firebug Menu > Customize Shortcuts > Clear Console
key.shortcut.navBack Keyboard shortcut for going back in UI navigation key constants seperated by spaces "accel shift VK_LEFT" Firebug Menu > Customize Shortcuts > Go Back
key.shortcut.navForward Keyboard shortcut for going forward in UI navigation key constants seperated by spaces "accel shift VK_RIGHT" Firebug Menu > Customize Shortcuts > Go Forward
key.shortcut.increaseTextSize Keyboard shortcut for increasing the text size inside Firebug key constants seperated by spaces "accel +" ("alt accel +" up to 1.8.4 and "accel shift +" up to 1.7; see issue 4556 and issue 4311) Firebug Menu > Customize Shortcuts > Increase Text Size
key.shortcut.decreaseTextSize Keyboard shortcut for decreasing the text size inside Firebug key constants seperated by spaces "accel -" ("alt accel -" up to 1.8.4 and "accel shift -" up to 1.7; see issue 4556 and issue 4311) Firebug Menu > Customize Shortcuts > Decrease Text Size
key.shortcut.normalTextSize Keyboard shortcut for resetting the text size inside Firebug to the default key constants seperated by spaces "accel 0" ("alt accel 0" up to 1.8.4 and "accel VK_INSERT" up to 1.7; see issue 4556 and issue 4311) Firebug Menu > Customize Shortcuts > Normal Text Size
key.shortcut.help Keyboard shortcut for calling the help key constants seperated by spaces "VK_F1" Firebug Menu > Customize Shortcuts > Open Help
key.shortcut.toggleBreakOn Keyboard shortcut for toggling the [[Break On ...] feature of the current panel key constants seperated by spaces "accel alt b" Firebug Menu > Customize Shortcuts > Toggle Break On ...
key.shortcut.removeAllCookies Firebug 1.10 Keyboard shortcut for removing all cookies key constants seperated by spaces "control shift o" Cookies panel Cookies menu > Remove Cookies

Preferences not set by default

Some preferences are not set by default, i.e. they won't appear in about:config. Such preferences are dynamically set by Firebug.

Option Description Valid Values UI Equivalents
<panel name>HideSidePanels Firebug 1.12 Specifies whether the side panels of a panel are hidden true, false Toggle Side Panels button inside panel toolbar

Preferences from older versions

These are preferences, which were changed or removed in newer versions of Firebug.

Option Description Valid Values Default UI Equivalents
openInWindow Replaced in 1.9 by framePosition (see issue 3997) true, false false Firebug Menu->Options->Always Open in New Window
largeCommandLine Renamed in 1.8 to commandEditor. Specifies whether the Command Editor shall be shown instead of the Command Line. true, false false Command Line->Red button with up arrow at the right
service.showStackTrace Renamed in 1.8 to showStackTrace. Specifies whether to show the stack trace for JavaScript errors inside the Console Panel true, false false Console panel Options Menu->Show Stack Trace With Errors
showStatusIcon Removed in 1.10 in favor of the Start Button true, false false -
addonBarOpened Set to true, if Firefox addon-bar has been initially opened for the user (to see the status bar icon at least the first time) true, false false Removed in 1.12, because it's not needed anymore
service.consoleFilterTypes Renamed to consoleFilterTypes in 1.8. Type of messages shown inside the Console Panel "all", "error", "warning", "info", "debug" "all" Console Panel filter buttons
service.trackThrowCatch Renamed to trackThrowCatch in 1.8. Specifies whether to track throw/catch blocks inside the Script Panel true, false false Script panel Options Menu->Track Throw/Catch
service.scriptsFilter Renamed to scriptsFilter in 1.8. Type filter used for the Script Location Menu "static", "evals", "events", "all" "all" Script Panel->Script Type Menu
decompileEvals Removed in 1.7. Specifies whether eval() expressions shall be decompiled inside the Script Panel. true, false false Script panel Options Menu->Decompile for eval() source
service.breakOnErrors Renamed to breakOnErrors in 1.8. Toggles the Break On Errors feature true, false false Console Panel->Break On All Errors
service.filterSystemURLs Renamed to filterSystemURLs in 1.7 true, false true -
clearDomplate Removed in 1.8 true, false false -
memoryProfilerEnable Firebug 1.8 The Memory Profiler feature was removed for now in 1.10 for stability and usability reasons. true, false false -
showTextNodesWithEntities Replaced by entityDisplay in 1.10 true, false true HTML panel Options Menu->Show Basic Entities
service.showAllSourceFiles Removed in 1.10 true, false false Script panel Options Menu->Show chrome sources
showExternalErrors Removed in 1.12 true, false false Console panel options menu > Show External Errors
netFilterCategory Renamed to netFilterCategories in 1.12. File type filter used inside the Net Panel's Request List all, css, js, xhr, image, plugin, media, font all Net Panel Toolbar->filters

Tracing options

Option Description Valid Values Default UI Equivalents
DBG_A11Y Trace Console option flag for UI accessibility true, false false Trace Console > Options tab > A11Y
DBG_ACTIVATION Trace Console option flag for Firebug activation true, false false Trace Console > Options tab > ACTIVATION
DBG_ACTIVITYOBSERVER Trace Console option flag for the Net Panel's activity observer true, false false Trace Console > Options tab > ACTIVITYOBSERVER
DBG_ANNOTATIONS Trace Console option flag for page annotations true, false false Trace Console > Options tab > ANNOTATIONS
DBG_BP Trace Console option flag for breakpoints true, false false Trace Console > Options tab > BP
DBG_CACHE Trace Console option flag for the source cache true, false false Trace Console > Options tab > CACHE
DBG_COMMANDEDITOR Trace Console option flag for the Command Editor true, false false Trace Console > Options tab > COMMANDEDITOR
DBG_COMMANDLINE Trace Console option flag for the Command Line true, false false Trace Console > Options tab > COMMANDLINE
DBG_COMPILATION_UNITS Trace Console option flag for JavaScript compilation units true, false false Trace Console > Options tab > COMPILATION_UNITS
DBG_CONSOLE Trace Console option flag for the Console Panel true, false false Trace Console > Options tab > CONSOLE
DBG_COOKIES Trace Console option flag for the Cookies Panel true, false false Trace Console > Options tab > COOKIES
DBG_CSS Trace Console option flag for the CSS Panel/Style Side Panel true, false false Trace Console > Options tab > CSS
DBG_DISPATCH Trace Console option flag for event dispatching true, false false Trace Console > Options tab > DISPATCH
DBG_DOM Trace Console option flag for the DOM Panel true, false false Trace Console > Options tab > DOM
DBG_DOMPLATE Trace Console option flag for Domplate true, false false Trace Console > Options tab > DOMPLATE
DBG_EDITOR Trace Console option flag for the text editor true, false false Trace Console > Options tab > EDITOR
DBG_ERRORS Trace Console option flag for errors true, false false Trace Console > Options tab > ERRORS
DBG_ERRORLOG Trace Console option flag for error log true, false false Trace Console > Options tab > ERRORLOG
DBG_EVAL Trace Console option flag for eval() calls true, false false Trace Console > Options tab > EVAL
DBG_EVENTLISTENERS Firebug 1.9 Trace Console option flag for event listeners inside Firebug true, false false Trace Console > Options tab > EVENTS
DBG_EVENTS Trace Console option flag for browser generated events true, false false Trace Console > Options tab > EVENTS
DBG_EXTERNALEDITORS Trace Console option flag for external editors true, false false Trace Console > Options tab > EXTERNALEDITORS
DBG_FBS_BP Trace Console option flag for breakpoints in JavaScript Debugger true, false false Trace Console > Options tab > FBS_BP
DBG_FBS_CREATION Trace Console option flag for script creation in JavaScript Debugger creation true, false false Trace Console > Options tab > FBS_CREATION
DBG_FBS_ERRORS Trace Console option flag for errors in JavaScript Debugger true, false false Trace Console > Options tab > FBS_ERRORS
DBG_FBS_FINDDEBUGGER Trace Console option flag for the Find Debugger in the JavaScript Debugger true, false false Trace Console > Options tab > FBS_FINDDEBUGGER
DBG_FBS_FUNCTION - true, false false Trace Console > Options tab > FBS_FUNCTION
DBG_FBS_JSDCONTEXT Trace Console option flag for the JavaScript Debugger context true, false false Trace Console > Options tab > FBS_JSDCONTEXT
DBG_FBS_SRCUNITS Trace Console option flag for source units in JavaScript Debugger true, false false Trace Console > Options tab > FBS_SRCUNITS
DBG_FBS_STEP Trace Console option flag for stepping in JavaScript Debugger true, false false Trace Console > Options tab > FBS_STEP
DBG_FBS_TRACKFILES Trace Console option flag for tracked files in JavaScript Debugger true, false false Trace Console > Options tab > FBS_TRACKFILES
DBG_FONTS Firebug 1.9 Trace Console option flag for the fonts module true, false false Trace Console > Options tab > FUNCTION_NAMES
DBG_FUNCTION_NAMES Trace Console option flag for function names true, false false Trace Console > Options tab > FUNCTION_NAMES
DBG_HISTORY Trace Console option flag for UI navigation history true, false false Trace Console > Options tab > HISTORY
DBG_HTML Trace Console option flag for the HTML Panel true, false false Trace Console > Options tab > HTML
DBG_HTTPOBSERVER Trace Console option flag for the HTTP observer true, false false Trace Console > Options tab > HTTPOBSERVER
DBG_INFOTIP Trace Console option flag for Info Tips true, false false Trace Console > Options tab > INFOTIP
DBG_INITIALIZE Trace Console option flag for Firebug initialization true, false false Trace Console > Options tab > INITIALIZE
DBG_INSPECT Trace Console option flag for the Inspector true, false false Trace Console > Options tab > INSPECT
DBG_JSONVIEWER Trace Console option flag for the JSON viewer true, false false Trace Console > Options tab > JSONVIEWER
DBG_LINETABLE Trace Console option flag for the line table of source files in JavaScript Debugger true, false false Trace Console > Options tab > LINETABLE
DBG_LOCALE Trace Console option flag for internationalization true, false false Trace Console > Options tab > LOCALE
DBG_LOCATIONS Trace Console option flag for the UI element locator true, false false Trace Console > Options tab > LOCATIONS
DBG_MEMORY_PROFILER Trace Console option flag for the Memory Profiler true, false false Trace Console > Options tab > MEMORY_PROFILER
DBG_MENU Trace Console option flag for menus and context menus true, false false Trace Console > Options tab > MENU
DBG_MODULES Trace Console option flag for module loading true, false false Trace Console > Options tab > MODULES
DBG_NET Trace Console option flag for the Net Panel true, false false Trace Console > Options tab > NET
DBG_NET_EVENTS Trace Console option flag for network events true, false false Trace Console > Options tab > NET_EVENTS
DBG_OBSERVERS Trace Console option flag for observers true, false false Trace Console > Options tab > OBSERVERS
DBG_OPTIONS Trace Console option flag for preference changes true, false false Trace Console > Options tab > OPTIONS
DBG_PANELS Trace Console option flag for panels true, false false Trace Console > Options tab > PANELS
DBG_PROFILER Trace Console option flag for the Profiler true, false false Trace Console > Options tab > PROFILER
DBG_QUICKINFOBOX Trace Console option flag for the Quick Info Box true, false false Trace Console > Options tab > QUICKINFOBOX
DBG_REGISTRATION Trace Console option flag for module registration true, false false Trace Console > Options tab > PANELS
DBG_SHORTCUTS Trace Console option flag for shortcuts true, false false Trace Console > Options tab > SHORTCUTS
DBG_SOURCEFILES Trace Console option flag for source files in JavaScript Debugger true, false false Trace Console > Options tab > SOURCEFILES
DBG_SPY Trace Console option flag for the XMLHttpRequest observer true, false false Trace Console > Options tab > SPY
DBG_STACK Trace Console option flag for the JavaScript call stack true, false false Trace Console > Options tab > STACK
DBG_STORAGE Trace Console option flag for the storage service true, false false Trace Console > Options tab > STORAGE
DBG_SVGVIEWER Trace Console option flag for the SVG viewer true, false false Trace Console > Options tab > SVGVIEWER
DBG_TOOLTIP Trace Console option flag for Status Icon Info Tooltip true, false false Trace Console > Options tab > TOOLTIP
DBG_TOPLEVEL Trace Console option flag for top level JavaScript Debugger scripts true, false false Trace Console > Options tab > TOPLEVEL
DBG_UI_LOOP Trace Console option flag for UI events in JavaScript Debugger true, false false Trace Console > Options tab > UI_LOOP
DBG_WATCH Firebug 1.9 Trace Console option flag for the Watch Side Panel true, false false Trace Console > Options tab > WATCH
DBG_WINDOWS Trace Console option flag for browser windows/tabs true, false false Trace Console > Options tab > WINDOWS
DBG_XMLVIEWER Trace Console option flag for the XML viewer true, false false Trace Console > Options tab > XMLVIEWER

Note: The defaults for these preferences were moved to their own file in FBTrace 1.8, so it's easier to remove them for final releases.

See also

FBTrace Preferences

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