Video Tools

Compress, trim, convert and extract audio — entirely in your browser.

Shrink video size with CRF or target-bitrate encoding — entirely in your browser.

Convert between MP4, WebM, MKV, MOV and AVI with codec selection.

Cut a clip to an exact start and end time, with lossless stream-copy when possible.

Join multiple clips into one continuous video with automatic re-encoding on mismatch.

Rotate 90/180/270 degrees or flip, correcting sideways phone footage.

Pull the audio track out as MP3, WAV, AAC or FLAC.

Convert a segment of video to an optimised, palette-generated GIF.

Scale video to 4K, 1080p, 720p, 480p or a custom size with correct aspect handling.

Generate SRT/VTT subtitles from speech using a Whisper model that runs on your device.