Trim and Resize Videos Online
Trim the part you need from MP4, MOV, WebM, or MKV videos and resize them by width and height — right in your browser. Uploaded videos are automatically deleted within about an hour.
MP4 / MOV / WebM / MKV · Up to 2GB (2048MB) · Up to 60 min
What You Can Do with videoconverter.tokyo
- Trim a video by specifying its start and end points
- Resize a video by specifying its width and height
- Resizing that takes the original aspect ratio into account
- Downloading the converted video file
How to Use
- Log in with your Google account and select a video file.
- Specify the section to trim and, if needed, the output size.
- Press "Convert", then download the video once it finishes.
Formats & Limits
- Input formats: MP4 / MOV / WebM / MKV
- Output format: MP4 (H.264 / AAC)
- Max upload size: 2048MB (2GB)
- Max video length: 60 min
- Max output width/height: 3840px
About Uploaded Videos
Uploaded videos and converted videos are temporarily stored on the server for conversion and download, and are, in principle, automatically deleted within 1 hour of creation.
Video Editing Guides
Frequently Asked Questions
You can upload MP4, MOV, WebM, and MKV files.
The output is always MP4 (H.264/AAC), regardless of the input format.
Not currently — this tool only supports trimming and resizing, not format conversion.
Yes — up to 2048MB (2GB) per video.
Yes — up to 60 minutes per video.
Uploaded and converted videos are automatically deleted within about an hour of being created.
No — video content is not manually reviewed during normal operation. See our Privacy Policy for details.
Trimming cuts out just the part of the video between your chosen start and end points.
"Add padding" keeps the whole video with black bars; "crop" fills the frame but may cut off the edges.
Yes — you can cancel a queued or in-progress job anytime with the cancel button.
Yes — if too many conversions are running at once, your video waits its turn in a queue.
Yes — it works in the browser on smartphones and tablets too.
No — videoconverter.tokyo is free to use.
Signing in keeps uploads and conversions secure and ensures you only see your own jobs.
Please request deletion via the Contact page — we'll confirm and process it.
Please use the Contact page on this site.
Check the supported formats and limits, then try again later. If it still fails, please contact us.