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WEBM to MP4 Converter
Convert WEBM files to MP4 in seconds, free and unlimited.
🔒 Files are processed on your device. Nothing is uploaded.
How to convert WEBM to MP4
- Click Choose files or drop your WEBM files into the box. You can add several at once.
- Make sure MP4 is selected as the output format.
- Press Convert, then download your MP4 files.
WEBM
Open web video format from Google (VP8/VP9 video), playable in all modern browsers.
MP4
MPEG-4 video, the most widely supported video format on phones, browsers and TVs.
Video and audio are converted with FFmpeg running inside your browser. Short clips finish in seconds; long or high-resolution videos can take a few minutes because your own device does the work. Open Options to trim, resize or change quality.
Other WEBM conversions
- WEBM to MKV
- WEBM to MOV
- WEBM to AVI
- WEBM to FLV
- WEBM to WMV
- WEBM to MPEG
- WEBM to 3GP
- WEBM to OGV
- WEBM to M4V
- WEBM to TS
- WEBM to GIF
- WEBM to MP3
- WEBM to WAV
- WEBM to OGG
- WEBM to OPUS
- WEBM to FLAC
- WEBM to AAC
- WEBM to M4A
- WEBM to M4R
- WEBM to WMA
- WEBM to AC3
- WEBM to AIFF
Convert other files to MP4
- GIF to MP4
- MKV to MP4
- MOV to MP4
- AVI to MP4
- FLV to MP4
- WMV to MP4
- MPEG to MP4
- MPG to MP4
- M4V to MP4
- 3GP to MP4
- 3GPP to MP4
- 3G2 to MP4
- OGV to MP4
- TS to MP4
- MTS to MP4
- M2TS to MP4
- VOB to MP4
- MXF to MP4
- DV to MP4
- MOD to MP4
- RM to MP4
- RMVB to MP4
FAQ
Is converting WEBM to MP4 free?
Yes. Unlimited conversions, no sign-up, no watermark.
Are my files uploaded to a server?
No. FieldConvert processes files inside your browser, so your WEBM files never leave your device. That makes it private and fast, because there is no upload or download wait.
Is there a file size limit?
Only your device's memory. Files up to about 2 GB work in most desktop browsers.