Video duration
Check video duration without uploading it.
Choose a local video and see its length before trimming, compressing, or uploading it somewhere else.
Check video duration
Read video length and basic file details locally.
Your selected video is processed in this browser tab. It is not uploaded to a conversion server.
Ready.
Duration often drives file size
Longer videos usually need more data. Checking duration helps you decide whether trimming will work better than heavy compression.
Best settings and limits
Best first try
Choose a video and run the local check. If the file is long, trim it before compressing for cleaner results.
When this may fail
Some damaged files may not expose reliable duration metadata to the browser.
Privacy boundary
The selected video file stays on your device while the tool creates the output.
Frequently asked questions
Can I check video length without upload?
Yes. The selected file is read locally in this browser tab.
Why does duration matter for compression?
A long clip needs more bitrate budget than a short clip at the same quality.
Can I trim after checking duration?
Yes. Use the trim tool to cut the clip, then compress the shorter result if needed.