Decompress 7Z
Extract and decompress 7Z archives. View and download individual files.
or drop files here
Maximum file size: 500MB
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Learn more about this tool
About 7Z Decompression
7Z archives use advanced compression algorithms like LZMA and LZMA2. Our tool uses WebAssembly to extract 7Z archives directly in your browser, letting you view the contents and download individual files. No software installation needed. 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 .7z file?
Upload your .7z file and it will be listed with all contents. You can download individual files or extract everything at once.
Can I view files inside a 7Z archive?
Yes, after uploading, you will see all files in the archive with their sizes. You can download any file individually or all at once.
Does it support password-protected 7Z files?
Currently, this tool supports extracting non-encrypted 7Z archives. Password-protected archives may not be supported.
Is this 7Z extractor free?
Yes, completely free with no limits. Extract as many archives as you need.
References & Resources
Authoritative specifications and references for the file formats this tool works with.