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Supported browsers

The tools rely on standard browser features: File API, Web Workers, Canvas and Blob downloads. Any modern browser has these. The list below reflects what we have actually tested; it will grow as testing continues.

Tested

  • Chrome (current) on macOS — all 18 tools, tested manually and with automated end-to-end checks.
  • Firefox (current) on macOS — automated end-to-end checks: file upload, merge, download, and error handling for encrypted and scanned PDFs.
  • WebKit (the Safari engine, current) on macOS — the same automated end-to-end checks.

Last tested: July 2026. Edge, Safari on iOS and Chrome for Android have not been tested yet; this page reports results rather than claiming support in advance. Edge uses the same engine as Chrome, so it is expected to work, but it will be listed only after testing.

Known limitations

  • Phones have less memory. Documents in the hundreds of megabytes may fail on mobile devices even when they work on a laptop. Tools show an error instead of hanging.
  • Multiple downloads may need permission. When a tool produces several files, some browsers ask you to allow multiple downloads from the site.
  • Private/incognito mode works fine — the tools don't store anything anyway.
  • JavaScript is required for the tools themselves. Page text and navigation work without it.