🧩 Merge Videos
How to use: Choose two or more videos, put them in order with the arrows, pick an output size, then press Merge videos. Different sizes get black bars and silent clips get silence, then download one MP4.
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About the Merge Videos
Have several short clips that should be one video? The ToolSandook Merge Videos tool joins them in the order you choose and saves a single MP4.
Clips can have different sizes, formats and frame rates. Each one is fitted into the same frame with black bars where needed, and clips without sound get silence, so the joined video plays smoothly from start to finish. Your videos stay on your device.
How to use the Merge Videos
- Choose two or more videos. Choose again to add more.
- Put them in order with the ↑ and ↓ buttons.
- Pick an output size or keep the first video's size.
- Press Merge videos and download the MP4.
Features
- Join any number of clips
- Reorder or remove clips before merging
- Mix MP4, MOV, MKV, WEBM and more
- Different sizes fitted automatically
- Private: no upload
Frequently asked questions
Can I merge videos of different sizes?
Yes. Every clip is fitted into the output size with black bars, so nothing is stretched.
Can I merge a vertical and a horizontal video?
Yes. Pick an output size such as 9:16 or 16:9, and the other clips are fitted inside it.
How long does merging take?
Each clip is re-encoded so they match, which takes roughly as long as the videos play on a computer, and longer on phones.
Is there a limit?
Up to 1 GB in total. Use a computer for long or many clips.
Related tools
- Video Trimmer – Cut a video to just the part you want.
- Video Compressor – Shrink videos to a smaller MP4.
- Video Resizer – Resize video for Reels, Shorts, Instagram, YouTube.
- Video to MP4 Converter – MOV, AVI, MKV, WEBM and more to MP4.