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Skip to contentJoin two videos into one file. Use Tentaco Merge Videos to process the file in your browser and download the result — no account.
Full tool — runs in your browser. No sign-up required.
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Join two videos into one file. Files are processed entirely in your browser with FFmpeg — nothing is uploaded to a server.
Load your file into Tentaco Merge Videos. The core flow runs locally; online steps are labeled in the UI.
The primary button opens the matching studio mode so you can start without an account. People often search for: merge videos, join videos, video zusammenfügen.
Open Merge Videos via the studio button (direct mode).
Select or drop your file.
Adjust options and review the preview or output.
Download the result and re-run if you need another pass.
Hybrid: core steps run locally; labeled online steps may send data to a service. Permanent storage only after your action.
Local + OnlineHybrid tool: local processing by default, with optional online steps that are clearly marked.
Merge Videos accepts the file types listed in the tool UI. Convert unsupported formats first or use a related Tentaco tool.
Only for labeled online steps. The core flow of Merge Videos stays local.
Practical limits depend on your device and browser memory. Very large files may be slow or fail in Merge Videos — shrink the file and retry.
After processing, Merge Videos shows a download action. Save locally; Tentaco does not auto-archive to a cloud library.
Yes, Merge Videos runs in mobile browsers. For very large media, desktop is often more comfortable.
Tentaco Video Studio — free browser video editor
Edit video on a timeline in your browser — cut, layer, export locally. Plus compress, convert and trim. Free, no account.
Video Trimmer online — free in your browser
Cut a clip by setting start and end time. Use Tentaco Video Trimmer to process the file in your browser and download the result — no account.
Video Thumbnail online — free
Capture a single frame as JPEG. Use Tentaco Video Thumbnail to process the file in your browser and download the result — no account.
Video Info online — free in your browser
View duration, resolution and file details. Use Tentaco Video Info to process the file in your browser and download the result — no account.
Rotate Video online — free in your browser
Rotate video 90°, 180° or 270°. Use Tentaco Rotate Video to process the file in your browser and download the result — no account.
Burn Subtitles online — free
Burn SRT subtitles into video (FFmpeg). Use Tentaco Burn Subtitles to process the file in your browser and download the result — no account.
Change Video Speed online — free
Speed up or slow down playback. Use Tentaco Change Video Speed to process the file in your browser and download the result — no account.
Video Chapters online — free
Generate chapter markers from timestamps. Use Tentaco Video Chapters to process the file in your browser and download the result — no account.