Video Compress online (free, in your browser)
Shrink an MP4 with H.264 CRF in the browser. Runs in your browser. No signup. Files and text stay on your device.
Drop a video
MP4, MOV, WebM, MKV
Runs ffmpeg.wasm in your browser. First run downloads the codec (~30MB).
Creator helpers run locally unless noted. Downloaders need public URLs and your rights to save.