Merge videos
Combine several videos into one, in the order you want, right in your browser.
How to useMerge the videos.
Drag to change the order. The top one comes first.
Available in: 
Merge videos: what it is for
The tool combines several videos into a single MP4. Drag to choose the order and set the final format: same as the first video, landscape, vertical for Reels and TikTok or square, with black bars or filling the screen.
It works even with videos of different sizes and without sound. The video isn't uploaded to any server: everything is processed in your browser, so it works with personal files in complete privacy.
How to use
- Upload the videos.
- Drag to reorder and choose the format.
- Click merge and download the MP4.
When to use it
- Making a trip or party video.
- Joining parts of a recording.
- Creating Reels with several clips.
Frequently asked questions
Can I merge videos of different sizes?
Yes. They're all fitted to the chosen format: with black bars to show the whole video or filling the screen with a slight crop.
What if a video has no sound?
No problem. That part stays silent and the others keep their audio.
Can I make a vertical video for Reels and TikTok?
Yes. Choose the vertical 1080×1920 format.
Is the video uploaded to a server?
No. FFmpeg runs in your browser and the files never leave your device. That's why very large videos can be slow, especially on phones.
Is it really free?
Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.