Compress BZ2
Compress files to BZ2 format with high compression ratio.
or drop files here
Maximum file size: 500MB per file
Related Tools
Compress XZ
Compress files to XZ format in your browser. High compression ratio with LZMA2 algorithm via WebAssembly.
Compress 7Z
Compress files to 7Z format with high compression ratio. WebAssembly-powered browser-based processing.
Compress GZIP
Compress files to GZIP format in your browser. Fast, lightweight compression for single files.
Decompress BZ2
Decompress BZ2 files in your browser. Extract .bz2 files instantly with WebAssembly-powered processing.
Decompress XZ
Decompress XZ files in your browser. Extract .xz files instantly with WebAssembly-powered processing.
Compress TAR.BZ2
Create TAR.BZ2 archives from multiple files in your browser. Combines TAR archiving with BZ2 compression via WebAssembly.
Learn more about this tool
About BZ2 Compression
BZ2 (bzip2) is a high-compression file format that typically achieves better compression ratios than GZIP, especially for text-heavy files. It uses the Burrows-Wheeler block-sorting algorithm. Our tool leverages WebAssembly for efficient browser-based compression, keeping your files private.Before emailing a PDF, open the downloaded copy and check fine text at the intended viewing size. The tool can reduce image detail; its target size is not guaranteed. If forms, signatures or searchable text matter, keep the original PDF.
Frequently Asked Questions
What is BZ2 compression?
BZ2 (bzip2) is a compression format that uses the Burrows-Wheeler algorithm for higher compression ratios than GZIP, especially on text files.
BZ2 vs GZIP — which is better?
BZ2 typically achieves 10-20% better compression than GZIP but is slower. Choose BZ2 when compression ratio matters more than speed.
How much compression can I expect?
Text and data files can compress by 70-90%. Already-compressed files see minimal additional reduction.
Is this BZ2 compressor free?
Yes, completely free with no limits. Compress as many files as you need, no registration required.
Create a ZIP archive
Bundle files without changing their contents. JPEG, MP4 and other compressed files may shrink very little in a ZIP.
There is no guaranteed saving or exact target for every file. If the result is larger, some tools return the original; compare its format and size before sharing. Before emailing a PDF, open the downloaded copy and check fine text at the intended viewing size. The tool can reduce image detail; its target size is not guaranteed. If forms, signatures or searchable text matter, keep the original PDF.
References & Resources
Authoritative specifications and references for the file formats this tool works with.