Video Compressor

Shrink big video files without visible quality loss. Converted in your browser — no upload, free, no signup.

Your video never leaves your device — compression runs locally in your browser.
Output is always MP4 (H.264), which plays everywhere.
Ready.

Why compress videos?

Phone videos are huge — a minute of 4K can be 400MB, too big for email, messaging apps or quick uploads. Compression trims the fat while keeping the picture looking the same. And unlike online converters, ToolNest never uploads your footage to a server.