# brotli > Compress/uncompress files with Brotli compression. > More information: . - Compress a file, creating a compressed version next to the file: `brotli {{file.ext}}` - Decompress a file, creating an uncompressed version next to the file: `brotli -d {{file.ext}}.br` - Compress a file specifying the output filename: `brotli {{file.ext}} -o {{compressed_file.ext.br}}` - Decompress a Brotli file specifying the output filename: `brotli -d {{compressed_file.ext.br}} -o {{file.ext}}` - Specify the compression level. 1=Fastest (Worst), 11=Slowest (Best): `brotli -q {{11}} {{file.ext}} -o {{compressed_file.ext.br}}`