Trim Video Online

Cut your video to the exact length you need. Set a start time and end time to keep only the section you want. The result is re-encoded to MP4 on the server — apply when ready.

CompressResizeTrimRemove Audio

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Drop your video here

or click to select a file

Up to 5 GB · MP4, MOV, AVI and more

Set a start time and end time to keep only the section you want. The clip is re-encoded to MP4 on the server using H.264 — the output is a clean, self-contained file, not just a container edit. Useful for removing intros, outros, or any unwanted section before sharing.

How to use

  1. 1.Upload your video using the button above.
  2. 2.Set a start time in seconds (e.g. 10 for 0:10).
  3. 3.Set an end time — the preview snaps to your start frame.
  4. 4.Click Apply and wait for the server to process the trim.
  5. 5.Download the trimmed MP4.

What this tool does

The tool runs FFmpeg with a start offset and a duration limit, then re-encodes the result with H.264 video and AAC audio. Unlike a fast trim that only moves container markers, this re-encodes the output so the file plays correctly from frame 0 with no black frames or audio sync issues. The output is a standard MP4 that works everywhere.

Features

  • —Set any start and end time in seconds (decimals supported)
  • —Live preview snaps to the start frame before you apply
  • —Re-encoded output — no broken keyframes or sync issues
  • —Output is MP4 (H.264 + AAC)
  • —Chain with other tools (compress, resize) in one session
  • —No account required; files deleted after 1 hour

FAQ

Can I trim to a specific timestamp like 1:23?
The tool uses seconds — enter 83 for 1 minute 23 seconds. Decimal values work too, for example 83.5.
Does trimming reduce the file size?
Yes. A shorter clip has fewer frames, so the output is proportionally smaller. For further reduction, run the Compress tool afterwards.
The preview looks right but the output starts from the wrong frame — why?
The browser preview seeks to your start time instantly. FFmpeg snaps to the nearest keyframe during encoding, so the first frame of the output may differ by a fraction of a second. For frame-accurate results on clips with infrequent keyframes, compress the video first to increase keyframe density.
What is the maximum video length I can trim?
There is no hard limit on duration, but larger files take longer to upload and process. Sessions expire after 1 hour of inactivity.
Can I trim the same video multiple times?
Yes — apply Trim, then apply it again with different values. Each step is added to the processing queue and you can undo the last one.