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9 free tools

Video converters
MP4, MKV, MOV and more

Convert MKV, MOV, WEBM and AVI to MP4 and back, or turn clips into GIFs. Videos are processed on your device with no upload.

Amber file character with a clapperboard
MP4 MP4 to GIFMP4 → GIF MKV MKV to MP4MKV → MP4 MP4 MP4 to MKVMP4 → MKV MOV MOV to MP4MOV → MP4 MP4 MP4 to MOVMP4 → MOV WEBM WEBM to MP4WEBM → MP4 MP4 MP4 to WEBMMP4 → WEBM AVI AVI to MP4AVI → MP4 MP4 MP4 to AVIMP4 → AVI

Questions

Why is converting sometimes instant?

When a video is already H.264, it is repackaged without re-encoding.

How long does a conversion take?

Re-encoding runs on your device; long videos are fastest on a computer.