The File Extensions Database

.BR File Extension

  • Category: Web Files

What is an .BR file?

.BR is Brotli Compressed 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.

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.

Programs that open Brotli Compressed File
Google Chrome
Mozilla Firefox
Google Chrome
Mozilla Firefox
Google Chrome
Mozilla Firefox

How to solve problems with BR files

  • Associate the BR file extension with the correct application. On :
    Windows: Right click on any BR file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.BR files". Mac: Right click (or Ctrl-click) the BR file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .BR is Brotli Compressed File. Because only the current version supports the latest BR file format. Search, therefore, e.g. on the N/A manufacturer website after an available .BR is Brotli Compressed File update.
  • To make sure that your BR file is not corrupted or virus-infected, get the file again and scan it with antivirus software.