archive Format
BZ2 File Format
Bzip2 is a high-efficiency open-source compression algorithm utilizing the Burrows-Wheeler block sorting transform and Huffman coding. It compresses single files and TAR archives into significantly smaller footprints than traditional gzip.
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Technical Specifications
| Extensions | .bz2 |
| MIME Types | application/x-bzip2 |
| Category | Archive |
| Engine Tier | tier2-wasm |
| Magic Bytes / Sniffing | 0x42 0x5A 0x68 |
| Opens With | 7-Zip, WinRAR, The Unarchiver, tar command-line tool |
| Good For | Compressing large Unix tarballs, software source releases, and database dumps. |
| Not Recommended For | Fast decompression on low-power devices compared to gzip or zstd. |