Compare Files
Compare Videos Online
Upload two videos to compare duration, dimensions, file size, and other visible media details.
Compare two videos by file size, dimensions, duration, and other visible media details.
First file
Drag and drop the first file here.
Second file
Drag and drop the second file here.
Results will appear here
Choose two files to compare them.
Suggested next step
After spotting a difference, the next step is usually to inspect one file more closely or clean the version you want to share.
What this tool checks
Use this page when two video files are supposed to match and you want to spot differences quickly.
- It reads the playback metadata from each file and puts the results side by side.
- The comparison highlights differences in duration, dimensions, size, and format clues.
- If a value cannot be verified, the page should say that clearly.
For many common files, the file stays on your device while the tool runs. No account is required.
How to use it
- 1Upload both video files
- 2Check the main differences first
- 3Open the detailed comparison if you need more context
What the results show
- Large size differences paired with identical duration often point to different export settings.
- Matching dimensions and duration do not guarantee identical content, but they are useful delivery checks.
- Unsupported or unreadable files are called out clearly to avoid silent failures.
Key terms
Stream metadata
Stream metadata describes technical information about the audio and video streams inside a media file.
MIME type
A MIME type is a label that describes the kind of content in a file, such as image/jpeg or application/pdf.
File signature
A file signature is a recognizable byte pattern near the start of a file.
Frequently asked questions
Why don’t I see codec details for every file?
Browsers do not always expose them reliably through lightweight client-side APIs. The tool only shows codec data when it can be verified.
What file formats does this tool support?
Compare Videos Online works with: MP4, MOV, WebM, MKV, OGG, and OGV video.
What is this tool used for?
Use it for: Check whether two exported cuts match, Compare delivery files from different encoders and Spot file size or duration mismatches before upload.
Related articles
How to Compare Two Videos Online
Learn how to compare two videos online using duration, size, dimensions, and other practical checks that reveal mismatches quickly.
How to Read Video Metadata
Learn how to read video metadata, which fields matter most in everyday use, and what online tools can realistically confirm.