File Converter — Cyber Edition · Browser Video Editor

Your files never leave your device, which is better for privacy and often faster for short jobs.
No sign-ups, no uploads, and no waiting for a remote queue.
Great for creators, teams, product demos, training clips, and quick social edits.

Local workflow

1) Media

Video files (you can add multiple — order = splice order) Optional audio track (music / voice-over)

Tip: select multiple clips at once. You can set per-clip in and out points below.

2) Clip Cuts

Use seconds for in and out points, like 0, 3.5, or 12.2. Leave blank to use the whole clip.

3) Text Overlays

Text

Start (s) End (s)

Font size (px) Position

Font file (optional; improves drawtext)

4) Output

Preset FPS

Format Audio splice

First export loads ffmpeg.wasm. On GitHub Pages it runs single-threaded. For maximum speed, host with COOP/COEP headers.

Preview area

Preview

Preview uses a temporary merged render. Export creates the final downloadable file in your selected format.

Browser Video Editor