Video, Audio & YouTube
Trim a video without re-encoding
Upload a video and set start and end. Cut fast at keyframes with no quality loss, or frame-exact if you need it. You are told which frame the cut starts on.
or drop it here
- MP4 / MOV / WEBM / MKV
- Up to 10 minutes
Keep 00:02.000–00:08.000 without re-encoding
- Requested range: 6.0 seconds
- Fast keep mode copies audio and video streams
- Timing report discloses the possible preceding-keyframe start
trimmed.mp4 · timing-report.json · manifest.json
One clear job, from source to download
- 1
Add the source
Supported formats and limits are visible before the upload.
- 2
Confirm the settings
Review the exact source, options, units and access before processing.
- 3
Inspect and download
Check the preview and warnings, then unlock the complete package.
Trimming a video clip and seeing where the cut landed
What you upload
You upload an MP4, MOV, WEBM or MKV file of up to 10 minutes. Then you type a start time and an end time. You can keep that range or remove it from the middle of the clip. The same two timestamps drive both actions.
What comes back
You get the trimmed video, a timing report and manifest.json, which records the file you supplied and sums up the run. The timing report puts the range you asked for next to the range you got. If the cut moved back to an earlier keyframe, you see it there before you publish the clip. Open the report and compare the two ranges first.
Fast cut or frame-exact
Fast keyframe mode copies the audio and video streams without re-encoding, so there is no quality loss. The cut may start at the nearest keyframe before your timestamp. Frame exact mode re-encodes the affected part to hit the frame you asked for, and the package says so rather than calling the result lossless. Choose fast mode when a small shift is fine and frame exact when it is not.
Questions before you run it
What is the difference between fast keyframe and frame-exact precision?
Fast keyframe copies the audio and video streams untouched, so the cut can begin at the nearest preceding keyframe instead of your exact timestamp. Frame exact re-encodes to reach the boundary you asked for, and the job discloses that re-encode.
Will the cut start exactly where I typed it?
In fast mode, often not. The timing report names the requested range next to the actual one, so any drift back to an earlier keyframe is visible before you publish the clip.
Can I cut a section out of the middle instead of keeping one?
Yes. The Action control offers keep range and remove range, both driven by the same start and end timestamps.
Does trimming cost me quality?
A fast keyframe trim copies the existing streams, so nothing is re-encoded. Picking frame exact means the affected part is re-encoded, and the package states that rather than calling the result lossless anyway.
Which containers and clip lengths are accepted?
MP4, MOV, WEBM and MKV, up to 10 minutes per source. You get the trimmed video plus a timing report and a manifest.