Convert anything.
Upload nothing.

Free file conversion in your browser. Your files never leave your device.

100% private — files stay in your browser

Why This 2 That?

100% Private

Your files never leave your device. All conversion happens in your browser.

Lightning Fast

No uploads, no server waits. Conversions start instantly on your machine.

Completely Free

No sign-ups, no limits, no watermarks. Every tool is free forever.

Works Everywhere

Any modern browser, any device. Desktop, tablet, or phone.

How It Works

Images

All major formats — PNG→JPG, WEBP→JPG, HEIC→JPG, plus compression, resize, and Base64.

Documents

Merge PDF, split PDF, DOCX→HTML, HTML→Markdown, Excel↔CSV. No Office required.

Audio & Video

MP4→MP3, MP3→WAV, MOV→MP4. FFmpeg via WebAssembly — desktop quality in your browser.

Dev Tools

CSV→JSON, JSON→YAML, hash generator, JWT decoder, QR codes, and more.

Frequently Asked

Yes, 100%. All conversions happen locally in your browser using JavaScript. Your files are never uploaded to any server. They never leave your device.
60+ conversions across images (PNG, JPG, WEBP, SVG, HEIC, BMP, ICO), documents (PDF, DOCX, HTML, Markdown, Excel), audio (MP3, WAV, M4A), video (MP4, MOV, WEBM), and data (CSV, JSON, XML, YAML, Base64, TSV).
Yes. No signups, no limits, no watermarks. Every tool is free forever.
Most converters work offline once the page has loaded, since all processing happens in your browser.
Instant for most file types. No upload or download wait. Large video files may take a few seconds.

Conversion guides & tips on our blog →