📦 ZIP Extractor ☆

Overview

ZIP Extractor opens ZIP archives right in your browser. Drop one or several .zip files and the tool reads them locally with the open-source JSZip engine, then shows every entry, files and folders, with its size and type icon. Download individual files with their own button, or grab everything at once; folders are skipped automatically. Nothing is uploaded: archives are processed with the File API in your browser, so sensitive documents never touch a server, and the tool keeps working offline after the first load. Useful when you need one file from a big archive, when you cannot install software, or when you want to inspect a ZIP before extracting it.

How ZIP extraction works

The archive is parsed with JSZip in the browser: the central directory is read first, giving every entry's name, compressed size and type, then selected files are decompressed on demand. That means a multi-gigabyte archive is browsed without unpacking everything at once. Only the files you download are inflated. Folders are listed but skipped during download, and several archives can be opened in one session.

Specifications and compatibility

Property	ZIP extractor behavior
Input	One or more .zip archives
Listing	All entries with size and type icons
Download	Individual files or all files at once; folders skipped
Engine	JSZip, open source, running in the browser
Processing	100% client-side via the File API; no upload
Offline	Works after the first load
Cost	Free, no account, no size limit

Privacy: archives stay on your device

ZIPs frequently contain invoices, source code or personal backups. The archive is read and decompressed in page memory: nothing is transmitted, stored or logged, and nobody sees which files you open.

ZIP handling tips

• Very large archives depend on device memory; extract in stages if needed.
• Check filenames before extracting files you did not expect.
• Password-protected ZIPs are not supported, decrypt them first.
• Prefer extracting only what you need from huge archives.
• Keep the original archive until the extracted files are verified.

Related: browse the utility tools for file detection, hashing and QR codes.

Archive formats, paths and safety

ZIP is the most portable archive format, but it is not the only one and it is not always the best. Its strengths are universal support and per-file compression, which lets an archive be read without decompressing everything at once. RAR and 7z usually compress better, and 7z handles very large archives more gracefully, but they need specific tools and cannot be created by every operating system. TAR is common on Unix systems and is often combined with gzip or xz; it stores paths and permissions faithfully, which matters for backups and source distributions. Password-protected archives should be treated with caution: a long, unique passphrase is essential because older ZIP encryption is weak, and files inside an encrypted archive cannot be previewed before extraction. Filename encoding is a frequent source of garbled names, because ZIP has no mandatory encoding and some tools write names in the local code page rather than UTF-8. Two safety points are worth stating plainly. First, never extract an archive from an untrusted source without checking its contents, because a malicious archive can contain paths that write outside the target folder, the so-called zip-slip attack. Second, decompression can expand enormously: a few kilobytes of compressed data can become gigabytes, which is why extraction limits matter. Everything here runs locally in the browser.