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Convert WebM to MP4
Turn a WebM video into MP4 so it plays on iPhones, iPads, and any device that can't open WebM.
No login requiredFiles stay private
Drop files here, or click to browse
MP4, WebM, MOV, AVI, MKV, Video no file size limit
Your files never leave your device. All processing happens locally in your browser.
MP4 tips
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iOS Safari cannot play WebM natively. Converting to MP4 (H.264) is the reliable fix for sending video to iPhone and iPad users.
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MP4 with H.264 is the single most compatible video format β it plays on virtually every device, browser, and editor.
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The converter re-encodes locally on your CPU. HD clips take a little time; the engine pre-loads while you choose your format.
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Your video never uploads β useful for screen recordings and private clips you don't want on a conversion server.
How It Works
1
Choose File
Drop your file into the tool above. It stays entirely on your device β nothing is sent to any server.
2
Process
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Download
Get your result instantly. Nothing is stored after you leave the page β complete privacy.
Why use ours?
βCompletely free β no hidden costs, ever
βNo account, email, or login required
βFiles never leave your device
βNo file size limits whatsoever
βNo watermarks on any output