.BR File Extension

Brotli Compressed File

Developer N/A
3.5  |  13 Votes
Category Web Files
Format N/A

What is a BR file?

A BR file is a file compressed with Brotli, an open source data compression algorithm. It contains webpage assets, such as .CSS, .XML, .SVG, and .JS files, compressed in the Brotli Compressed Data Format. BR files are used by web browsers such as Chrome and Firefox to increase page loading speeds.

More Information

The Brotli Data Compression Format is designed to replace the Zopfli compression algorithm. The format allows for roughly 20% higher compression ratios than Zopfli.

NOTE: Files compressed by Brotli were originally saved with the ".bro" extension but it was changed to the ".br" extension due to complaints of "bro" being misogynystic and unprofessional.

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Programs that open or reference BR files

Updated August 25, 2016

Verified by FileInfo.com

The FileInfo.com team has independently researched the Brotli Compressed file format and Mac, Windows, and Linux apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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