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RealFaviconGenerator Compatibility

See how the code and pictures generated by RealFaviconGenerator behave on the following platforms. Because the pictures and HTML code generated by RealFaviconGenerator change over time, each test indicates the tested version.

You can contribute to these results.

Classic code, pictures in root directory

This is the code and pictures generated by default by RealFaviconGenerator. The generated files are placed in the root directory of the web site, which is the recommended setting.

Device OS Version Browser Version Tab Bookmark Home screen Tested version
PC Windows XP IE 8 16x16 favicon.ico picture 16x16 favicon.ico picture 32x32 favicon.ico picture 0.6
PC Windows 7 IE 10.0 16x16 favicon.ico picture 16x16 favicon.ico picture 32x32 favicon.ico picture 0.6
PC Windows 7 IE 11.0 16x16 favicon.ico picture 16x16 favicon.ico picture 16x16 or 32x32 favicon.ico picture1 0.7
PC Windows 8.1 IE 11.0 196x196 PNG picture 196x196 PNG picture 196x196 PNG picture 0.6
PC Windows 8.1 Chrome 32.1700 16x16 PNG picture 16x16 PNG picture 196x196 PNG picture 0.6
PC Windows XP Firefox 26 32x32 PNG picture 32x32 PNG picture Default icon4 0.6
PC Windows 8.1 Firefox 27 32x32 PNG picture 32x32 PNG picture 32x32 PNG picture5 0.6
PC Windows 8.1 Opera 19.1326 16x16 PNG picture 16x16 PNG picture N/A 0.6
PC Windows 8.1 Opera 12.15 32x32 PNG picture 32x32 PNG picture 196x196 PNG picture6 0.6
PC Windows 8.1 Safari 5.1.7 32x32 PNG picture 32x32 PNG picture N/A 0.6
MacBook Pro MacOS X 10.9.3 Safari 7.3 196x196 PNG picture 196x196 PNG picture N/A 0.7
MacBook Pro 8.1 MacOS X 10.9 Opera 20.0.1346.0 32x32 PNG picture 32x32 PNG picture N/A 0.4
MacBook Pro 8.1 HiDPI (1440x900) MacOS X 10.9 Safari 7 196x196 PNG picture 196x196 PNG picture N/A 0.4
MacBook Pro 8.1 HiDPI (1440x900) MacOS X 10.9 Camino 2.1.2 16x16 or 32x32 PNG picture 1 16x16 or 32x32 PNG picture 1 N/A 0.4
MacBook Pro Retina MacOS X Firefox 27.0 32x32 PNG picture 16x16 or 32x32 PNG picture1 N/A 0.6
iMac 27' MacOS X 10.9 Chrome 31.0.1650.63 32x32 PNG picture 32x32 PNG picture N/A 0.4
iMac 27' MacOS X 10.9 Safari 7.0 (9537.71) 196x196 PNG picture 196x196 PNG picture N/A 0.4
Mac MacOS X 10.9.3 Chrome 35.1916 32x32 PNG picture 32x32 PNG picture N/A 0.7
iPod Touch iOS 5.1.1 Safari 6 N/A 57x57 or 114x144 Apple Touch icon1 57x57 or 114x144 Apple Touch icon1 0.4
iPad Mini iOS 7.0.4 Safari N/A 152x152 Apple Touch icon 76x76 Apple Touch icon 0.6
iPad Mini iOS 7.0.4 Chrome 32.1700 16x16 PNG picture 57x57 Apple Touch icon N/A 0.6
iPad Mini iOS 7.0.4 Coast N/A N/A 144x144 tile6 0.6
Nexus 7 Android 4.4.2 Chrome 31.0.1659.50 16x16 PNG picture 152x152 Apple Touch icon 152x152 Apple Touch icon 0.5
Nexus 7 Android 4.4.2 Chrome 32.1700 196x196 PNG picture 152x152 Apple Touch icon 196x196 PNG picture 0.6
Nexus 7 Android 4.4.2 Firefox 26.0 196x196 PNG picture 196x196 PNG picture 196x196 PNG picture7 0.6
Nexus 7 Android 4.4.2 Opera Mini 7.5 16x16 PNG picture 16x16 PNG picture Default icon2 0.5
Samsung Galaxy S5 Android 4.4.2 Chrome 35.1916 32x32 PNG picture 152x152 Apple Touch icon 152x152 Apple Touch icon 0.7
Samsung Galaxy S5 Android 4.4.2 Default browser N/A 152x152 Apple Touch icon Default icon8 0.7
Samsung Galaxy S5 Android 4.4.2 UC Browser 9.8 32x32 PNG picture Default icon9 Default icon9 0.7
Samsung Galaxy Nexus Android 4.3 Chrome 32.1700 N/A 152x152 Apple Touch icon 196x196 PNG picture 0.6
LG Optimus L7 Android 4.1.2 Firefox 26.0 196x196 PNG picture 196x196 PNG picture 196x196 PNG picture7 0.4
Samsung Galaxy S Android 2.3.3 Default browser 16x16 PNG picture N/A 16x16 PNG picture3 0.5
HTC Desire Android 2.2.2 Default browser N/A N/A 57x57 Apple Touch icon 0.5
Motorola Photon 4G Android 2.3.5 Default browser 32x32 PNG picture N/A 57x57 Apple Touch icon 0.6
Surface 2 Windows 8.1 IE 11 196x196 PNG picture 150x150 tile All tiles 0.7
Archos 5 Archos firmware Opera 9.02 16x16 PNG picture 16x16 PNG picture 16x16 PNG picture 0.4

Pictures not in root directory

The pictures generated by RealFaviconGenerator are not in the root directory of the web site.

Device OS Version Browser Version Tab Bookmark Home screen Tested version
PC Windows XP IE 8 16x16 favicon.ico picture 16x16 favicon.ico picture 32x32 favicon.ico picture 0.6
PC Windows 7 IE 10.0 16x16 favicon.ico picture 16x16 favicon.ico picture 32x32 favicon.ico picture 0.6
PC Windows 7 IE 11.0 16x16 favicon.ico picture 16x16 favicon.ico picture 16x16 or 32x32 favicon.ico picture1 0.7
PC Windows 8.1 IE 11.0 196x196 PNG picture 196x196 PNG picture 196x196 PNG picture 0.6
PC Windows 8.1 Chrome 32.1700 16x16 PNG picture 16x16 PNG picture 196x196 PNG picture 0.6
PC Windows XP Firefox 26 32x32 PNG picture 32x32 PNG picture Default icon4 0.6
PC Windows 8.1 Firefox 27 32x32 PNG picture 32x32 PNG picture 32x32 PNG picture5 0.6
PC Windows 8.1 Opera 19.1326 16x16 PNG picture 16x16 PNG picture N/A 0.6
PC Windows 8.1 Opera 12.15 32x32 PNG picture 32x32 PNG picture 196x196 PNG picture6 0.6
PC Windows 8.1 Safari 5.1.7 32x32 PNG picture 32x32 PNG picture N/A 0.6
MacBook Pro MacOS X 10.9.3 Safari 7.3 196x196 PNG picture 196x196 PNG picture N/A 0.7
MacBook Pro 8.1 MacOS X 10.9 Opera 20.0.1346.0 16x16 favicon.ico picture 16x16 favicon.ico picture N/A 0.4
MacBook Pro 8.1 HiDPI (1440x900) MacOS X 10.9 Safari 7 196x196 PNG picture 196x196 PNG picture N/A 0.4
MacBook Pro 8.1 HiDPI (1440x900) MacOS X 10.9 Camino 2.1.2 16x16 or 32x32 PNG picture 1 16x16 or 32x32 PNG picture 1 N/A 0.4
MacBook Pro Retina MacOS X Firefox 27.0 32x32 PNG picture 16x16 or 32x32 PNG picture1 N/A 0.6
iMac 27' MacOS X 10.9 Chrome 31.0.1650.63 16x16 favicon.ico picture 16x16 favicon.ico picture N/A 0.4
iMac 27' MacOS X 10.9 Safari 7.0 (9537.71) 196x196 PNG picture 196x196 PNG picture N/A 0.4
Mac MacOS X 10.9.3 Chrome 35.1916 32x32 PNG picture 32x32 PNG picture N/A 0.7
iPod Touch iOS 5.1.1 Safari 6 N/A 57x57 or 114x144 Apple Touch icon1 57x57 or 114x144 Apple Touch icon1 0.4
iPad Mini iOS 7.0.4 Safari N/A 152x152 Apple Touch icon 76x76 Apple Touch icon 0.6
iPad Mini iOS 7.0.4 Chrome 32.1700 16x16 favicon.ico picture 57x57 Apple Touch icon N/A 0.6
iPad Mini iOS 7.0.4 Coast N/A N/A 144x144 tile6 0.6
Nexus 7 Android 4.4.2 Chrome 31.0.1659.50 16x16 PNG picture 152x152 Apple Touch icon 152x152 Apple Touch icon 0.5
Nexus 7 Android 4.4.2 Chrome 32.1700 196x196 PNG picture 152x152 Apple Touch icon 196x196 PNG picture 0.6
Nexus 7 Android 4.4.2 Firefox 26.0 196x196 PNG picture 196x196 PNG picture 196x196 PNG picture7 0.6
Nexus 7 Android 4.4.2 Opera Mini 7.5 16x16 PNG picture 16x16 PNG picture Default icon2 0.5
Samsung Galaxy S5 Android 4.4.2 Chrome 35.1916 32x32 PNG picture 152x152 Apple Touch icon 152x152 Apple Touch icon 0.7
Samsung Galaxy S5 Android 4.4.2 Default browser N/A 152x152 Apple Touch icon Default icon8 0.7
Samsung Galaxy S5 Android 4.4.2 UC Browser 9.8 32x32 PNG picture Default icon9 Default icon9 0.7
Samsung Galaxy Nexus Android 4.3 Chrome 32.1700 N/A 152x152 Apple Touch icon 196x196 PNG picture 0.6
LG Optimus L7 Android 4.1.2 Firefox 26.0 196x196 PNG picture 196x196 PNG picture 196x196 PNG picture7 0.4
Samsung Galaxy S Android 2.3.3 Default browser 16x16 PNG picture N/A 16x16 PNG picture3 0.5
HTC Desire Android 2.2.2 Default browser N/A N/A 57x57 Apple Touch icon 0.5
Motorola Photon 4G Android 2.3.5 Default browser 32x32 PNG picture N/A 57x57 Apple Touch icon 0.6
Surface 2 Windows 8.1 IE 11 196x196 PNG picture 150x150 tile All tiles 0.7
Archos 5 Archos firmware Opera 9.02 16x16 PNG picture 16x16 PNG picture 16x16 PNG picture 0.4

Pictures behind 301 redirect

Although this is not related to RealFaviconGenerator, it can be interesting to place favicon files behind 301 redirections. This is not supported by all browsers.

Device OS Version Browser Version Tab Bookmark Home screen Tested version
PC Windows XP IE 8 16x16 favicon.ico picture 16x16 favicon.ico picture 32x32 favicon.ico picture 0.6
PC Windows 7 IE 10.0 No icon 16x16 favicon.ico picture No icon 0.6
PC Windows 7 IE 11.0 16x16 favicon.ico picture 16x16 favicon.ico picture 16x16 or 32x32 favicon.ico picture1 0.7
PC Windows 8.1 IE 11.0 No icon No icon No icon 0.6
PC Windows 8.1 Chrome 32.1700 16x16 PNG picture 16x16 PNG picture 196x196 PNG picture 0.6
PC Windows XP Firefox 26 32x32 PNG picture 32x32 PNG picture Default icon4 0.6
PC Windows 8.1 Firefox 27 32x32 PNG picture 32x32 PNG picture 32x32 PNG picture5 0.6
PC Windows 8.1 Opera 19.1326 16x16 PNG picture 16x16 PNG picture N/A 0.6
PC Windows 8.1 Opera 12.15 No icon No icon No icon6 0.6
PC Windows 8.1 Safari 5.1.7 32x32 PNG picture 32x32 PNG picture N/A 0.6
MacBook Pro MacOS X 10.9.3 Safari 7.3 196x196 PNG picture 196x196 PNG picture N/A 0.7
MacBook Pro 8.1 MacOS X 10.9 Opera 20.0.1346.0 32x32 PNG picture 32x32 PNG picture N/A 0.4
MacBook Pro 8.1 HiDPI (1440x900) MacOS X 10.9 Safari 7 196x196 PNG picture 196x196 PNG picture N/A 0.4
MacBook Pro 8.1 HiDPI (1440x900) MacOS X 10.9 Camino 2.1.2 16x16 or 32x32 PNG picture 1 16x16 or 32x32 PNG picture 1 N/A 0.4
MacBook Pro Retina MacOS X Firefox 27.0 32x32 PNG picture 16x16 or 32x32 PNG picture1 N/A 0.6
iMac 27' MacOS X 10.9 Chrome 31.0.1650.63 32x32 PNG picture 32x32 PNG picture N/A 0.4
iMac 27' MacOS X 10.9 Safari 7.0 (9537.71) 196x196 PNG picture 196x196 PNG picture N/A 0.4
Mac MacOS X 10.9.3 Chrome 35.1916 32x32 PNG picture 32x32 PNG picture N/A 0.7
iPod Touch iOS 5.1.1 Safari 6 N/A 57x57 or 114x144 Apple Touch icon1 57x57 or 114x144 Apple Touch icon1 0.4
iPad Mini iOS 7.0.4 Safari N/A 152x152 Apple Touch icon 76x76 Apple Touch icon 0.6
iPad Mini iOS 7.0.4 Chrome 32.1700 16x16 PNG picture 57x57 Apple Touch icon N/A 0.6
iPad Mini iOS 7.0.4 Coast N/A N/A 144x144 tile6 0.6
Nexus 7 Android 4.4.2 Chrome 31.0.1659.50 16x16 PNG picture 152x152 Apple Touch icon 152x152 Apple Touch icon 0.5
Nexus 7 Android 4.4.2 Chrome 32.1700 196x196 PNG picture 152x152 Apple Touch icon 196x196 PNG picture 0.6
Nexus 7 Android 4.4.2 Firefox 26.0 No icon No icon No icon 0.6
Nexus 7 Android 4.4.2 Opera Mini 7.5 No icon No icon Default icon2 0.5
Samsung Galaxy S5 Android 4.4.2 Chrome 35.1916 32x32 PNG picture 152x152 Apple Touch icon 152x152 Apple Touch icon 0.7
Samsung Galaxy S5 Android 4.4.2 Default browser N/A 152x152 Apple Touch icon Default icon8 0.7
Samsung Galaxy S5 Android 4.4.2 UC Browser 9.8 32x32 PNG picture Default icon9 Default icon9 0.7
Samsung Galaxy Nexus Android 4.3 Chrome 32.1700 N/A 152x152 Apple Touch icon 196x196 PNG picture 0.6
LG Optimus L7 Android 4.1.2 Firefox 26.0 No icon No icon No icon 0.4
Samsung Galaxy S Android 2.3.3 Default browser 16x16 PNG picture N/A 16x16 PNG picture3 0.5
HTC Desire Android 2.2.2 Default browser N/A N/A 57x57 Apple Touch icon 0.5
Motorola Photon 4G Android 2.3.5 Default browser 32x32 PNG picture N/A 57x57 Apple Touch icon 0.6
Surface 2 Windows 8.1 IE 11 No icon 144x144 tile 144x144 tile 0.7
Archos 5 Archos firmware Opera 9.02 No icon No icon No icon 0.4

Compressed pictures

RealFaviconGenerator can compress the generated pictures. The compressed pictures should better look good on all platforms. Note that the compression is lossy. In the following table, "Ok" means "the icon looks fine and is not altered by the compression".

Device OS Version Browser Version Tab Bookmark Home screen Tested version
PC Windows XP IE 8 Ok Ok Ok 0.6
PC Windows 7 IE 10.0 Ok Ok Ok 0.6
PC Windows 7 IE 11.0 Ok Ok Ok 0.7
PC Windows 8.1 IE 11.0 Ok Ok Ok 0.6
PC Windows 8.1 Chrome 32.1700 Ok Ok Ok 0.6
PC Windows XP Firefox 26 Ok Ok Default icon4 0.6
PC Windows 8.1 Firefox 27 Ok Ok Ok 0.6
PC Windows 8.1 Opera 18.0 Ok Ok N/A 0.6
PC Windows 8.1 Opera 12.15 Ok Ok Ok 0.6
PC Windows 8.1 Safari 5.1.7 Ok Ok N/A 0.6
MacBook Pro MacOS X 10.9.3 Safari 7.3 Ok Ok N/A 0.7
MacBook Pro 8.1 MacOS X 10.9 Opera 20.0.1346.0 Ok Ok N/A 0.4
MacBook Pro 8.1 HiDPI (1440x900) MacOS X 10.9 Safari 7 Ok Ok N/A 0.4
MacBook Pro 8.1 HiDPI (1440x900) MacOS X 10.9 Camino 2.1.2 Ok Ok N/A 0.4
MacBook Pro Retina MacOS X Firefox 27.0 Ok Ok N/A 0.6
iMac 27' MacOS X 10.9 Chrome 31.0.1650.63 Ok Ok N/A 0.4
iMac 27' MacOS X 10.9 Safari 7.0 (9537.71) Ok Ok N/A 0.4
Mac MacOS X 10.9.3 Chrome 35.1916 Ok Ok N/A 0.7
iPod Touch iOS 5.1.1 Safari 6 N/A Ok Ok 0.4
iPad Mini iOS 7.0.4 Safari N/A Ok Ok 0.6
iPad Mini iOS 7.0.4 Chrome 32.1700 Ok Ok N/A 0.6
iPad Mini iOS 7.0.4 Coast N/A N/A Ok6 0.6
Nexus 7 Android 4.4.2 Chrome 31.0.1659.50 Ok Ok Ok 0.5
Nexus 7 Android 4.4.2 Chrome 32.1700 Ok Ok Ok 0.6
Nexus 7 Android 4.4.2 Firefox 26.0 Ok Ok Ok 0.6
Nexus 7 Android 4.4.2 Opera Mini 7.5 Ok Ok Default icon2 0.5
Samsung Galaxy S5 Android 4.4.2 Chrome 35.1916 Ok Ok Ok 0.7
Samsung Galaxy S5 Android 4.4.2 Default browser N/A Ok Default icon8 0.7
Samsung Galaxy S5 Android 4.4.2 UC Browser 9.8 Ok Default icon9 Default icon9 0.7
Samsung Galaxy Nexus Android 4.3 Chrome 32.1700 N/A Ok Ok 0.6
LG Optimus L7 Android 4.1.2 Firefox 26.0 Ok Ok Ok 0.4
Samsung Galaxy S Android 2.3.3 Default browser Ok N/A Ok 0.5
HTC Desire Android 2.2.2 Default browser N/A N/A Ok 0.5
Motorola Photon 4G Android 2.3.5 Default browser Ok N/A Ok 0.6
Surface 2 Windows 8.1 IE 11 Ok Ok Ok 0.7
Archos 5 Archos firmware Opera 9.02 Ok Ok Ok 0.4

Notes

  1. For some reasons, some browsers use several pictures: they pick one or the other for no particular reason. For example, Safari on iOS 5.1.1 uses the 57x57 and 114x114 Apple touch icons.
  2. When adding a bookmark to the home screen, Opera Mini uses a default picture (ie. the same for all bookmarks). Apparently, there is no way to work around this issue. Even adding opera.com to the desktop generates the same result.
  3. When adding a bookmark to the home screen, the builtin browser of the Samsung Galaxy S uses the 16x16 PNG picture. It is not clear whether this is an issue of RealFaviconGenerator or just the normal behavior of the browser. In addition, the HTC Desire, which is a similar device, behaves correctly.
  4. When adding a shortcut to the desktop, Firefox creates a default icon, which is not user friendly. Apparently, there is no way to work around this issue. Even adding mozilla.org to the desktop generates the same result.
  5. When adding a shortcut to the desktop, Firefox creates an icon with huge margins, instead of using the icon in full size. Apparently, there is no way to work around this issue. Even adding mozilla.org to the desktop generates the same result.
  6. Speed dial.
  7. Add its own padding to the home screen icon.
  8. When adding a bookmark to the home screen, Samsung Galaxy S5's default browser uses a default picture (ie. the same for all home screen bookmarks). Apparently, there is no way to work around this issue. Even adding samsung.com to the desktop generates the same result.
  9. When creating a bookmark, UC Browser uses a default picture (ie. the same for all bookmarks). Apparently, there is no way to work around this issue. It seems that UC Browser has built-in icons for "famous" sites, but there is no way to specify a particular icon for your own site.
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