Resize Video online — free in your browser

Change video width while keeping aspect ratio. Use Tentaco Resize Video to process the file in your browser and download the result — no account.

Use the tool

Full tool — runs in your browser. No sign-up required.

What inputs does Resize Video accept?

Resize Video accepts the file types listed in the tool UI. Convert unsupported formats first or use a related Tentaco tool.

Are files uploaded?

Only for labeled online steps. The core flow of Resize Video stays local.

Is there a file size limit?

Practical limits depend on your device and browser memory. Very large files may be slow or fail in Resize Video — shrink the file and retry.

How do I download the result?

After processing, Resize Video shows a download action. Save locally; Tentaco does not auto-archive to a cloud library.

Does it work on mobile?

Yes, Resize Video runs in mobile browsers. For very large media, desktop is often more comfortable.