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Free Zip & Unzip Tool

Bundle multiple files into one .zip, or pull files back out of an existing archive. Nothing leaves your browser.

What this does: creates a .zip archive from files you add, or opens an existing .zip so you can download the files inside it, entirely in your browser using the JSZip library. No signup, no server upload: your files are compressed or extracted locally on your device.

Click to select files or drag and drop them here.

Add as many files as you like.

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    Frequently asked questions

    Is this zip tool really free, and does it work in my browser?

    Yes. It runs entirely client-side using the JSZip JavaScript library, with no signup, no installation, and no server involved in creating or opening archives.

    Are my files uploaded anywhere when I zip or unzip them?

    No. Every file you add or extract is processed locally in your browser's memory. Nothing is transmitted to a server at any point.

    Can this tool open password-protected zip files or handle very large archives?

    No, password-protected or encrypted zip archives are not supported, since the underlying library has no decryption support. Very large archives of 500MB or more may also be slow, because the whole file stays in your browser's memory while it is processed.