ToolslyGitHub

Category

Video

Convert video between MP4, MKV, WEBM, MOV, AVI — and extract audio or make GIFs.

VideoLocal

MP4 to WebM

Convert MP4 video to WebM (VP9 + Opus) — free, runs entirely in your browser.

mp4→webm
VideoLocal

WebM to MP4

Convert WebM video to MP4 (H.264 + AAC) — free, in-browser, no upload.

webm→mp4
VideoLocal

MP4 to MKV

Remux MP4 to Matroska (MKV) — fast, lossless, no re-encoding.

mp4→mkv
VideoLocal

MKV to MP4

Convert MKV (Matroska) video to MP4 (H.264 + AAC) — free, runs in your browser.

mkv→mp4
VideoLocal

MOV to MP4

Convert MOV (QuickTime) video to MP4 (H.264 + AAC) — free, in-browser.

mov→mp4
VideoLocal

MP4 to MOV

Convert MP4 video to MOV (QuickTime) — free, in-browser, no upload.

mp4→mov
VideoLocal

AVI to MP4

Convert AVI video to MP4 (H.264 + AAC) — free, runs entirely in your browser.

avi→mp4
VideoLocal

MP4 to GIF

Convert MP4 video to an animated GIF — free, in-browser, with a tuned palette.

mp4→gif
VideoLocal

MP4 to MP3

Extract the audio track from an MP4 video as an MP3 file — free, in-browser.

mp4→mp3
VideoLocal

MP4 to WAV

Extract the audio track from an MP4 video as an uncompressed WAV file.

mp4→wav