Decompress BZ2
Extract and decompress .bz2 files instantly.
or drop files here
Maximum file size: 500MB per file
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Compress BZ2
Compress files to BZ2 format in your browser. High compression ratio with WebAssembly-powered processing.
Learn more about this tool
About BZ2 Decompression
BZ2 decompression restores files compressed in bzip2 format back to their original content. Our tool uses WebAssembly for efficient in-browser decompression, allowing you to extract .bz2 files without installing any software. All processing happens locally. Whether you are optimizing assets for a US-hosted site on AWS, Cloudflare, or Vercel, trimming email attachments for Gmail and Outlook, or submitting documents to federal portals, this tool keeps your files lean and your workflow fast — all without uploading anything to a server.
Frequently Asked Questions
How do I open a .bz2 file?
Upload your .bz2 file and click decompress. The original file will be extracted and available for download.
Can I decompress multiple BZ2 files?
Yes, you can upload and decompress multiple .bz2 files simultaneously.
What is the difference between BZ2 and GZIP?
BZ2 achieves higher compression ratios but is slower. Both compress single files. GZIP is faster, BZ2 produces smaller files.
Is this BZ2 decompressor free?
Yes, completely free with no limits. Decompress as many files as you need.
References & Resources
Authoritative specifications and references for the file formats this tool works with.