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ConvertBox

Create a ZIP archive

Bundle multiple files into a single ZIP archive directly in your browser. Choose compression level and download instantly.

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Select files

Pick any files β€” up to 500MB total.

Max file size: 500MB β€’ Multiple files allowed

or drag and drop Β· press Enter to browse

How to Use

  1. Select the files you want to compress.
  2. Add more files if needed.
  3. Choose a ZIP name and compression level (0=stored, 9=maximum).
  4. Click Create ZIP to download the archive.

All processing is done in your browser, and files are never sent to a server.

Frequently Asked Questions

About 500MB total before the browser runs out of memory. Smaller batches are recommended.
Files are flattened to the root of the archive. Drag-and-drop from the OS does not preserve folder paths in browsers.
No. JSZip does not support password encryption. If you need security, encrypt the resulting ZIP with a dedicated tool.