OK Video — Free Video Tools in Your Browser
Compress, trim, resize, watermark, speed, GIF, reverse, rotate, scene cuts, and MP4 to MP3 — private, fast, no upload.
Visit Okay OKVideo tools
Video Scene Cuts
Detect shot changes with ffmpeg.wasm and export keyframes or clips.
Video → Scenes
MP4 to MP3
Extract MP3 audio from video with ffmpeg.wasm in your browser.
MP4 → MP3
Compress Video
Shrink video toward a target file size with bitrate or CRF.
Video → Smaller
Trim Video
Cut a clip by start and end time with accurate seek.
Video → Clip
Resize Video
Scale to 1080p, 720p, 480p, or a custom width.
Video → Resized
Video Watermark
Add text or image watermarks with corner/center positions.
Video → Watermarked
Video Speed
Speed up or slow down 0.5x–2x with setpts + atempo.
Video → Speed
Video to GIF
Turn a short clip into a GIF with fps/scale limits.
Video → GIF
Reverse Video
Reverse playback (video; audio optional, memory-heavy).
Video → Reversed
Rotate Video
Rotate 90°, 180°, or 270° in the browser.
Video → Rotated