WebM to MP4 Converter

Turn a WebM video — a screen recording, browser download or Telegram export — into an MP4 file that opens on iPhone, TVs and in any editor.

Video
Add video or drag it here · MP4, WebM, MOV, MKV, AVI Up to 200 MB and 5 minutes · with Prime up to 1 GB and 20 minutes

Up to 15 seconds — 2 energy, up to 5 minutes — 3, longer — 5. The result is saved to your archive.

More video tools

Convert WebM Videos to MP4 for Any Device

Convert WebM to MP4 online for free: turn browser WebM recordings into MP4 that plays on iPhone, TVs and in editors. No watermarks.

Why Convert WebM to MP4

  • iPhone and iPad playback — iOS doesn't play WebM files — MP4 opens natively on every Apple device
  • Editor support — Premiere, CapCut and most mobile editors accept MP4 but often refuse WebM
  • Messenger-ready — MP4 previews and plays inline in WhatsApp, Telegram and iMessage
  • High-quality re-encode — VP8/VP9 video is converted to H.264 with settings tuned to keep details sharp

How to Convert WebM to MP4

  1. Upload your WebM file or paste a direct link to it.
  2. Or pick a clip you generated on Homiwork — your video archive is one click away.
  3. Check the output settings — MP4 is already selected.
  4. Press “Convert to MP4” and download the result or find it in your archive.

About the WebM Format

WebM is an open format created for web video: screen recorders, browsers and many AI tools export to it because it compresses well and plays inline on websites. Outside the browser its support is patchy — iPhones, TVs and desktop editors often can't open it. Converting WebM to MP4 re-encodes the VP8 or VP9 stream into H.264, the most widely supported codec, so the video plays everywhere while staying visually identical.

Frequently Asked Questions

Is the WebM to MP4 converter free?

Yes. New users get starter energy points; one conversion costs 2–5 points depending on the video length.

Why doesn't my WebM play on iPhone?

iOS doesn't support the WebM container or VP9 codec. Converting to MP4 (H.264) makes the video play natively.

Does converting WebM to MP4 lose quality?

Re-encoding is done at high quality settings — the difference is not visible in normal viewing.

Can I convert a WebM with transparency?

MP4 doesn't support transparency; transparent areas are rendered on a solid background.

4.92 18,437 ratings
User #4365351

I really liked the text-on-photo editor — the result turned out to be an absolute masterpiece.

Web · May 2026
User #4383661

Thank you, the AI's work really impressed me. Perfect!

Web · May 2026
User #4279467

I really like it — would be great to have a few more free tries.

Google Play · May 2026
User #4160129

A wonderful app with affordable prices.

Web · May 2026
Text copied
Done
Error