Ninja Compress

Ninja Compress is a video compressor, converter and editor that works entirely on your phone. Nothing is uploaded: there is no server and no account, and the Android app does not even request the Internet permission.

Choose how small a video should be in six ways: Ninja Auto, five quality levels, a target size such as 25 MB, a percentage, a resolution from 2160p down to 240p, or a manual bitrate. A live estimate shows the size before you commit. Fifteen one-tap share presets match the real limits of WhatsApp, Telegram, Discord, Gmail, Outlook, Instagram, TikTok, YouTube Shorts, X, LinkedIn and more.

The Reveal shows the original and the compressed copy side by side, so you can judge quality before keeping anything. An original is only touched after the copy passes nine checks, and you decide what happens to it.

The compressor is free, with no ads, no watermark and no daily cap. Convert, trim, crop, rotate, mute and frame grab are free too. Optional Ninja Pro adds batches of more than three videos, merge, speed, reverse, subtitles, watermark, extract audio, a GIF maker and H.265, VP9 and AV1. Pro is $0.99 per month, $5.99 per year or $14.99 lifetime.