Video format · .mp4
MP4 (usually H.264 video with AAC audio) is the universal video container: phones, browsers, editors, TVs, and every social platform accept it. When in doubt about compatibility, MP4 is the answer — convert exotic formats into MP4 for sharing and archiving.
Every tool runs in your browser — files never leave your device. Badges say exactly what each tool does with MP4.
Use the video compressor to re-encode at a lower bitrate or resolution. Expect roughly half the size with barely visible difference for typical phone footage.
Yes — MP4 to MP3 pulls the audio track out locally via FFmpeg, and video-to-GIF turns a clip into a silent looping animation.
Video transcoding is genuinely heavy computation running in your browser. Short clips convert in seconds; long or 4K files can take minutes — desktop browsers are much faster.
No. FFmpeg runs locally in your browser via WebAssembly. Your video never leaves your device.