Firefox fingerprintingProtection.overrides Editor


This page allows you to easily fine-tune Fingerprinting Protection targets of Mozilla Firefox-based web browsers by editing privacy.fingerprintingProtection.overrides about:config entry.

Input
Output
+AllTargets,-CSSPrefersColorScheme,-JSDateTimeUTC,-WebGLRenderCapability,-AudioContext,-AudioSampleRate,-CanvasExtractionBeforeUserInputIsBlocked,-CanvasExtractionFromThirdPartiesIsBlocked,-CanvasImageExtractionPrompt,-CanvasRandomization,-CSSColorInfo,-CSSDeviceSize,-CSSInvertedColors,-CSSPointerCapabilities,-CSSPrefersContrast,-CSSPrefersReducedMotion,-CSSPrefersReducedTransparency,-CSSResolution,-CSSVideoDynamicRange,-DeviceSensors,-DOMStyleOsxFontSmoothing,-FontVisibilityBaseSystem,-FontVisibilityLangPack,-FontVisibilityRestrictGenerics,-FrameRate,-Gamepad,-HttpUserAgent,-JSLocale,-JSMathFdlibm,-KeyboardEvents,-MediaCapabilities,-MediaDevices,-MediaError,-MouseEventScreenPoint,-NavigatorAppVersion,-NavigatorBuildID,-NavigatorConnection,-NavigatorHWConcurrency,-NavigatorOscpu,-NavigatorPlatform,-NavigatorUserAgent,-PointerEvents,-ReduceTimerPrecision,-RoundWindowSize,-ScreenAvailRect,-ScreenOrientation,-ScreenPixelDepth,-ScreenRect,-SiteSpecificZoom,-SpeechSynthesis,-StreamTrackLabel,-StreamVideoFacingMode,-TouchEvents,-UseStandinsForNativeColors,-VideoElementMozFrameDelay,-VideoElementMozFrames,-VideoElementPlaybackQuality,-WebGLRenderInfo,-WidgetEvents,-WindowDevicePixelRatio,-WindowInnerScreenXY,-WindowOuterSize,-WindowScreenXY
Table
ID Name Description
5 CSSPrefersColorScheme prefers-color-scheme CSS media feature
21 JSDateTimeUTC Enforces UTC time zone, disable to make your real time zone available to web sites.
58 WebGLRenderCapability WebGL
48 AudioContext
38 AudioSampleRate
11 CanvasExtractionBeforeUserInputIsBlocked
10 CanvasExtractionFromThirdPartiesIsBlocked
9 CanvasImageExtractionPrompt Canvas targets: For unusual combinations of these, see comments in IsImageExtractionAllowed
8 CanvasRandomization Add random noises to image data extracted from canvas.
52 CSSColorInfo color/color-gamut CSS media features
51 CSSDeviceSize device-height/device-width CSS media features
55 CSSInvertedColors inverted-colors CSS media feature
57 CSSPointerCapabilities
7 CSSPrefersContrast prefers-contrast CSS media feature
6 CSSPrefersReducedMotion prefers-reduced-motion CSS media feature
54 CSSPrefersReducedTransparency prefers-reduced-transparency CSS media feature
53 CSSResolution resolution CSS media feature
56 CSSVideoDynamicRange video-dynamic-range CSS media feature
44 DeviceSensors
50 DOMStyleOsxFontSmoothing
42 FontVisibilityBaseSystem Visibility level of font families available to CSS font-matching
43 FontVisibilityLangPack
61 FontVisibilityRestrictGenerics Are font visibility restrictions applied when resolving a CSS ? (This may block the fonts selected in Preferences from actually being used.)
45 FrameRate
23 Gamepad
24 HttpUserAgent
12 JSLocale
22 JSMathFdlibm
2 KeyboardEvents
37 MediaCapabilities
36 MediaDevices
49 MediaError
41 MouseEventScreenPoint
13 NavigatorAppVersion Various 'client identification' values of the navigator object
14 NavigatorBuildID
39 NavigatorConnection
15 NavigatorHWConcurrency
16 NavigatorOscpu
17 NavigatorPlatform
18 NavigatorUserAgent
1 PointerEvents
34 ReduceTimerPrecision See also Reduce Timer Precision (RTP) Caller Type
46 RoundWindowSize
30 ScreenAvailRect
3 ScreenOrientation
28 ScreenPixelDepth
29 ScreenRect
60 SiteSpecificZoom
4 SpeechSynthesis SpeechSynthesis part of the Web Speech API
19 StreamTrackLabel Audio/VideoStreamTrack labels
20 StreamVideoFacingMode
0 TouchEvents
47 UseStandinsForNativeColors
32 VideoElementMozFrameDelay mozFrameDelay
31 VideoElementMozFrames HTMLVideoElement mozParsedFrames, mozDecodedFrames, mozPresentedFrames, mozPaintedFrames
33 VideoElementPlaybackQuality getVideoPlaybackQuality()
59 WebGLRenderInfo
35 WidgetEvents Hide keyboard and pointer WidgetEvents
40 WindowDevicePixelRatio
27 WindowInnerScreenXY
25 WindowOuterSize
26 WindowScreenXY