Video Duration Checker
Find the exact length of one or many video and audio files, plus the total duration.
See durations without opening files
Use the Video Duration Checker to find the total length of dozens of course videos, a podcast archive or a folder of clips without opening each one.
Batch calculation
Select many video or audio files at once. Each duration is listed as HH:MM:SS and in seconds, with the total for all files at the bottom.
Supported files
Common formats your browser can open, such as MP4, WebM, MOV, MP3, WAV, M4A and OGG. Files are read locally only.
How to use Video Duration Checker
- Choose the video or audio files.
- Each duration is read automatically.
- Review the list and the total.
- Copy the results if needed.
Why use this tool?
A private, free time-saver for teachers, editors and podcast producers.
FAQ
Can I check several files at once?
Yes. Select multiple files and you'll also see the total duration.
Why don't MKV durations show?
Some browsers can't open the MKV container. Use the Video Metadata Viewer instead.
Are my files uploaded?
No, the duration is read in your browser.
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