Free Online Video Combiner

Merge multiple video clips into a single video instantly. No uploads, no sign-up, no watermarks — all processing happens right in your browser.

Our video combiner uses FFmpeg WebAssembly to join your clips locally. Upload as many videos as you need, drag to reorder them, and export one seamless combined video in MP4 format. Supports MP4, MOV, AVI, WebM, and more.

Drop videos here to add them

or click to browse — MP4, MOV, AVI, WebM supported

Add Videos

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How to Combine Videos Online

1

Upload Videos

Click the upload area or drag-and-drop multiple video files. We support MP4, MOV, AVI, WebM, and more. Add as many clips as you need.

2

Order Your Clips

Drag clips to reorder them or use the up/down arrows. The final video will follow the exact sequence you set.

3

Preview Individual Clips

Click the play icon on any clip to preview it inline before combining. Make sure everything looks right.

4

Combine & Download

Click the Combine button. Once processing is done, preview the merged video and download it instantly as MP4.

Why Choose Our Video Combiner?

Lightning Fast

FFmpeg WebAssembly processes your videos at near-native speed directly in your browser.

100% Private

Your videos never leave your device. All processing is local — no server uploads ever.

Works Everywhere

Works on any modern browser — Windows, Mac, Linux, iOS, or Android. No app needed.

No Installation

Open the page and start combining. No software to install or account to create.

Unlimited Clips

Add as many videos as you need. Combine 2, 5, or 20+ clips into a single file.

High Quality Output

Get a high-quality MP4 output with consistent resolution and audio across all clips.

Frequently Asked Questions

Yes, completely free. No subscriptions, no hidden fees, and no watermarks on your output video.
You can upload MP4, MOV, AVI, MKV, WebM, and other common video formats. The output will be an MP4 file.
There is no hard limit on the number of clips. The only constraint is your device's available memory, since processing happens locally.
No. All processing happens in your browser using WebAssembly. Your videos never leave your device.
Yes! You can drag and drop clips to reorder them, or use the up/down arrow buttons. The final video follows your chosen sequence exactly.
Clips are re-encoded to a uniform format before joining to ensure compatibility. There is minimal quality loss using the H.264 codec at high quality settings.
Yes. FFmpeg handles videos of different resolutions and frame rates. Each clip is normalized to a common format before concatenation.
Processing time depends on the total duration and size of your clips, and your device's performance. Most short clips are processed in under a minute.