Video to WebM - Local Browser Tool

Step 1 — Add files

Drop files here

or click to browse — MP4 / MOV / MKV / WEBM / AVI

Step 2 — Review · 0

Options

Range 1

From page To page

Split mode Compression level Video output format Video quality (CRF 18–35) Rotate direction Rotation angle

Upload one file to start chatting.

Upload a file, then ask any question about its content.

JPG quality (0.6–1.0) Output format

Resize dimensions

Keep aspect ratio Model

AI background removal

Client-side only. First run may take longer while the selected model loads and caches in browser.

Blur radius Text

Text style

Text position (%)

Image quality (for JPG/WebP) Quality: 85% (100 = best quality, 0 = smallest size)

Step 3 — Result

Why use this tool

Privacy

Your files never leave the browser. All processing runs on your device, so nothing is uploaded, stored, or seen by a server.

Frequently asked

Is WebM smaller than MP4?

It can be, depending on content and settings.

Does this run locally?

Yes. Conversion is browser-based.