Video tools
Swap containers without re-encoding where the codec allows, cut a clip into parts or join matching clips back together the same way, save frames as images, mute or rotate, trim, compress by preset or to a size limit, pull the audio out, or record your screen or camera — all entirely in your browser. No files are uploaded to any server.
TOOLS23
ENGINEFFMPEG · WEBCODECS
DOWNLOAD0–31 MB
I HAVE A…
MP4MOVMKVAVIWEBMM4V
Utilities
CHANGE THE FILE, KEEP THE FORMATVideo TrimmerCut on a keyframe, without touching quality.MP4 → MP4Compress Video720p for WhatsApp, 480p for email.MP4 → MP4Compress Video to SizePick the number; the bitrate follows.VIDEO → MP4Screen RecorderScreen, window or tab, with optional mic.⏺ → WEBMMute VideoDrops the audio, copies the picture.VIDEO → MUTEDRotate VideoA flag rewrite, not a re-encode.VIDEO → ROTATEDVideo ThumbnailOne still, at the frame that exists.VIDEO → JPG · PNG · WEBPSplit VideoCopied out, keyframe by keyframe.VIDEO → ZIP OF PARTSMerge VideoNever re-encodes, refuses mismatches.VIDEO · VIDEO → ONEWebcam RecorderCamera and mic, asked for together.⏺ → WEBM · MP4
Format converters
ONE FORMAT IN, ANOTHER OUTVideo to GIFA fresh 256-colour palette every frame.MP4 → GIFMP4 to MP3The audio track only, at 128 to 320 kbps.MP4 → MP3WebM to MP4A true re-encode to H.264, not a rewrap.WEBM → MP4Video to MP4One container out, whatever went in.MOV · MKV · AVI → MP4MOV to MP4The iPhone case, probed before it runs.MOV → MP4MP4 to MOVBack into QuickTime's own wrapper.MP4 → MOVMKV to MP4Matroska out, something a phone opens in.MKV → MP4MP4 to MKVThe container that takes anything.MP4 → MKVAVI to MP4Old camcorder files, made portable.AVI → MP4Extract AudioLift the track out, or re-encode it.VIDEO → AUDIOVideo to WAVUncompressed audio, straight from video.VIDEO → WAVMP4 to WAVMP4 in, editor-ready PCM out.MP4 → WAVVideo to ImagesFrames out, at the times you asked.VIDEO → PNG · JPG · WEBP