Trim a Video to the Right Moment
Preview a video and set the section you want to keep before export.
Upload a video to trim
MP4, MOV, WebM, or M4V · up to 500 MB
Three steps
Cut a Clean Clip
Choose the usable range before opening the export workflow.
Select a video
Preview one supported source file.
Set the range
Move the start and end controls to the moments you need.
Export in VisionStory
Create and review the trimmed video.
Complete in VisionStory
Finish the video trimmer result in production
Video trimming removes time from the beginning or end of a clip while keeping the selected range.
Keep the source ready for reselection
Actual video trimmer processing, result inspection, and download happen in VisionStory. The current handoff may require the source file to be selected again.
Approve the measured output, not an estimate
Check the properties that define a successful video trimmer result and retain the original until the destination accepts it.
Test the real receiving workflow
Confirm requested and measured clip boundaries in the intended destination before approval.
Problem diagnosis
Trimming Changes Duration, Not the Visible Frame
Use Video Trimmer to remove unwanted time. Use Crop Video when the clip length should remain but the visible area or aspect ratio must.1
Apply
Trimming Changes Duration, Not the Visible
A project may use all three, but each operation should be chosen for a separate reason.
2
Confirm
Keep the video trimmer contract honest
Owns time-range editing. It must not target aspect-ratio cropping, compression, multi-scene editing, or GIF creation.
3
Fallback
Preserve the original when uncertain
Preserve the source whenever requested and measured clip boundaries remains unverified.
Verification method
Verify the First Frame, Last Frame, and Duration
Run a licensed 30-second sample with visible timecode and an audible count.Verify the First Frame, Last Frame,
This behavior must be verified in the live product before it is presented as a fact. Report boundary variance instead of hiding it.
Keep the video trimmer contract honest
Timing precision; keyframe/re-encode policy; supported source/output details; measured start/end/duration; audio sync; product version.
Publish exceptions with the method
Document failures and unsupported cases affecting requested and measured clip boundaries. This check keeps verify the first frame, last frame, and duration tied to a reproducible source and output.
Precise trimming
Keep the Story, Remove the Extra
The workspace focuses on the clip boundaries that matter.
Range handles
Control both the beginning and end of the clip.
Local preview
Check the selected source before continuing.
Compatible export
Prepare a broadly playable video output.
Frequently asked questions
Trimming defines a shorter time range. Final encoding choices are made in VisionStory.
