What is a .BZ2 file?
BZ2 is a file compressed with bzip2, offering tighter compression than gzip.
- Did you know
- BZip2 arrived in 1996 and squeezes files smaller than gzip, though more slowly.
- bzip2 was written by Julian Seward and compresses using the Burrows-Wheeler block-sorting transform followed by move-to-front and Huffman coding.
- It works on blocks of between 100 and 900 kB, and is most often seen wrapping a tar archive as a .tar.bz2 file.
- What Analyser shows you
- Browse the file tree and compression details of archives without extracting them: ZIP in pure JavaScript, and RAR, 7z, TAR and compressed tarballs (.tar.gz / .tgz, .tar.xz, .tar.zst, .tar.bz2) through a bundled libarchive engine - click any file inside to analyse it. A single compressed stream (.gz, .xz, .zst, .lz4, .lzma, .Z) is decompressed so the file within can be opened; bare .bz2 streams are identified only.
- Open a .BZ2 file
- Drag a .BZ2 file onto the Analyser home page (or tap to pick one). It opens entirely in your browser - nothing is uploaded, there is no account, and it works offline once installed.