Keyframes
Re-encode a video with a fixed keyframe interval to improve seeking and scrubbing performance.
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Choose a video
or drag it here
Frames between keyframes (GOP size)
Lower = more keyframes = better seek precision, larger file. Higher = fewer keyframes = smaller file, worse seek.
Max width
Original
1920
1280
Caps the video width (height scales to keep aspect). High-resolution videos (4K) can run out of memory in the browser; downscaling avoids that.
Loading FFmpeg (one-time download)…
Set Keyframes & Export
Processing…
Download Output