offlinewebtools.com browser-local workbench

Change Video Resolution

Resize videos to common resolutions (240p to 1080p) without leaving your browser.

Shipped

Browser local

Source file *

Files are processed locally in your browser using WebAssembly. This input is required.

Saved FFmpeg presets (stored locally)

Saved presets

Preset name

Preview and export

Inspect the source before running FFmpeg, then preview the generated output before downloading.

Local media

Choose a media file to fill this source preview before processing.

Expected output

The generated file preview, size, type, and download action appear here after processing.

Framing and safe-area controls

0×0px

Upload a video to enable framing.

Safe area guide 12%

Keep important subjects away from the outer area while moving or resizing the frame.

Preset resolution

Custom resolution (WIDTHxHEIGHT)

What this tool does

Change Video Resolution helps you resize videos to common resolutions (240p to 1080p) without leaving your browser.

What you get

Change Video Resolution produces a direct output in this page and keeps all processing on your device, with nothing uploaded to our servers.

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.