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Firefox 65 Supports Google’s WebP Format

WebP is a modern image format created by Google. It was made especially for the Web, providing a high compression ratio than JPEG without affecting image quality. Finally, the Mozilla Firefox browser has got support for this format.

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Google introduced the WebP image format 8 years ago. Since then, their products like the Chrome browser, Android OS, Google Web Search, and many of their services have supported this format and actively used it. A popular app like Telegram messenger also supports WebP and uses it for its stickers.

Mozilla did not support WebP in their browser for quite a long time, since they could not find any superior feature of WebP against PNG or JPEG. However, finally the company has changed their mind. The format is supported in all modern web browsers like Chrome, Chromium, Opera, and Vivaldi, since they are all built on top of the Chromium engine. Also, Microsoft Edge has recently received WebP format support with a feature update to the OS.

WebP support is expected to be enabled by default in Mozilla Firefox 65. As of this writing, version 65 represents the Nightly version of the browser. All the bits are already in the browser's code base, but the WebP feature is disabled by default. If you want to give it a try, there is a special flag in about:config that you should activate manually.

Enable WebP Format Support in Firefox

  1. Type about:config in the address bar. Confirm that you will be careful if a warning message appears for you.Firefox 57 About Config Confirmation
  2.  Enter the following text in the search box: image.webp.enabled.
  3. Turn on the option image.webp.enabled (set it to True).Firefox 65 Enable WebP
  4. Restart the browser.

Google describes the format as follows:

WebP Lossless images are 26% smaller in size compared to PNG, WebP lossy images are 25-34% smaller than comparable JPEG images at equivalent SSIM quality index.

Once you have enabled the WebP format support in Firefox, you can use the following page to see it working:

Web Image Gallery By Google

That's it.

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Author: Sergey Tkachenko

Sergey Tkachenko is a software developer who started Winaero back in 2011. On this blog, Sergey is writing about everything connected to Microsoft, Windows and popular software. Follow him on Telegram, Twitter, and YouTube.

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