Video Combine
In-browser only · v1 exports video without audio
Drop your AI clips here
MP4 or WebM · several at once · nothing leaves your device
Video Combine
Combine AI video clips into one MP4 — trim, reorder, change speed, or reverse, then export. Everything runs in your browser; your clips never leave your device.
Video Combine — FAQ
What does Video Combine do?
It combines several AI-generated video clips into a single video. Arrange clips on the timeline, reorder them by dragging, trim the ends, change playback speed, or reverse a clip — then export everything as one MP4.
Do my clips get uploaded anywhere?
No. Video Combine runs entirely in your browser — importing, previewing, and exporting all happen on your device via WebCodecs. Your clips never leave your computer; nothing is uploaded to a server.
Which video formats are supported?
You can import MP4, WebM, and MOV clips — several at once, by drag-and-drop or the file picker. The combined result always exports as a single MP4 file.
Does the exported video include audio?
Not in this version — v1 exports video only, with no audio track. Any sound in the source clips is dropped during export.
How does reversing a clip work?
Reverse decodes the clip and re-encodes its frames in backwards order during export, so the reversed section plays backwards for real in the final MP4. Because that is decode-and-re-encode work, reversed clips are capped at 15 seconds of source material per export.
What playback speeds can I set per clip?
Each clip can play at 0.25x, 0.5x, 1x, 1.5x, 2x, or 4x — right-click a clip on the timeline to change its speed. The speed change is baked into the exported MP4.
Does the export add a watermark?
No. Exports carry no watermark and no branding overlay — the MP4 contains exactly the frames you arranged on the timeline.
Can I combine clips I made with EZ Video or EZ Animate?
Yes — that's the main pairing. In the Recent Jobs rail on the right, any finished video job has a Timeline button that sends it straight onto the Video Combine timeline, alongside any clips you imported by hand.