Trim Video
Trim your videos to remove unwanted sections at the beginning or end. Perfect for cutting out intros, outros, or unwanted footage.
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Cutting video: keyframes and why cuts move
Video compression stores complete pictures only at keyframes, typically every couple of seconds, with the frames between them described as differences from what came before. A frame in the middle of that sequence cannot be decoded on its own — it only makes sense in the context of the keyframe it depends on.
That is why trimming has two modes. A fast trim cuts at the nearest keyframe and copies the stream through untouched: instant, and lossless, but your cut lands up to a second or two from where you asked. A precise trim re-encodes the affected section so the cut falls exactly where you placed it, which takes longer and costs a small amount of quality. Knowing which one you are using explains most of the confusion about why a cut appeared in the wrong place.
Why we built this tool
The everyday jobs are removing the dead time at the start and end of a screen recording, cutting a clip out of a longer video, shortening footage to fit a platform limit, and trimming a phone recording before sending it.
Those files are private and large. Uploading a multi-gigabyte recording so a server can discard most of it is slow and unnecessary, and free trimming sites frequently cap duration or brand the output. Ours processes the video in your browser with WebAssembly FFmpeg, so nothing is uploaded, there is no length or size limit, and no watermark appears on the result.
Tips and common mistakes
- Keyframe trimming is instant and lossless but lands your cut up to a second or two off.
- Precise trimming re-encodes the affected section; use it when the exact frame matters.
- Trim before compressing — removing footage saves more than any quality setting.
- Check both boundaries after export, not just the start.
Quick start: using Trim Video
- Load the video you want to shorten.
- Set the start and end points on the timeline.
- Choose fast keyframe trimming or precise re-encoding depending on how exact the cut must be.
- Preview the boundaries of the trimmed section.
- Export and download the clip.
Shrink the result with Compress Video, or reframe it using Crop Video.