7z Extractor

Open and extract 7-Zip archive files directly in your browser. No 7-Zip installation needed. Supports all LZMA compression methods.

Drop 7z file here

.7z files

7z contents will appear here

Frequently Asked Questions

7z is an archive format from 7-Zip software. It typically achieves better compression than ZIP using LZMA/LZMA2 algorithms.

No. All extraction happens locally in your browser using WebAssembly. Your files never leave your device.

LZMA, LZMA2, PPMd, BZip2, and Deflate. The tool automatically handles all standard 7z compression methods.

Password-protected archives require you to enter the password. Archives with encrypted headers may require the password before listing contents.

No hard limit, but 7z files over 500MB may be slow due to browser memory constraints.

Solid archives (where files are compressed together for better ratio) are fully supported.

Currently single-file archives only. Multi-volume (.7z.001, .7z.002) need to be joined first.

7z typically achieves 30-70% better compression than ZIP, especially for text and code files.

Yes. Click the download button next to any file, or use 'Download All' to get everything as a ZIP.

After the first load, the extraction engine is cached and works offline.