Duration or frame rate go change?

No. Only resolution and bitrate, with clear warning first.

Why resolution reduce?

When target require am, with clear warning.

Kompres video dem inside browser free. Reduce file size quick quick, no need install anything.

Target size

Quick select

Select a video to see its target range.

Result na JPG file. Compress fit reduce quality.

Picture dey go server?

No. Everything dey happen for browser.