Video Joiner

Combine multiple video clips into a single file. Best results come from clips with matching resolution and codec — joined locally in your browser.

100% free No uploads Runs in your browser No signup

Join videos

Drop a file to processProcessed by FFmpeg compiled to WebAssembly — entirely on your device

Best results come from clips with matching resolution and frame rate — they're re-encoded to a consistent format during the join, so mixed sources still produce a valid file. Order follows the order you selected the files.

How to use the Video Joiner

1
Open the tool above — it is already running, no install or account needed.
2
Enter your input and adjust the options to match what you need.
3
Copy or download the result — everything was processed locally in your browser.

Private by design

This tool runs 100% inside your own browser using local JavaScript — your input never touches a server. That makes it instant, offline-capable in many cases, and private even for sensitive data.

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