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Video format · .avi

AVI: what it’s for

AVI is Microsoft's 1992 container: common in old camcorders, screen recorders, and CCTV exports, usually with bulky DivX/Xvid video inside. Modern players and every web platform prefer MP4 — convert AVI once and retire the original to archive.

Strengths

  • Near-universal desktop playback — VLC and every editor open AVI
  • Simple container that survives decades of software rot
  • Our FFmpeg tools read AVI locally and transcode it to MP4
  • Easy to trim and compress before converting for sharing

Honest limits

  • Huge files — DivX-era compression is 3–5x worse than H.264
  • No phone, browser, or social-platform support — MP4 only
  • No chapters, subtitles, or modern metadata
  • Old codecs (Indeo, Cinepak) may refuse to decode anywhere

Free AVI tools

Every tool runs in your browser — files never leave your device. Badges say exactly what each tool does with AVI.

AVI FAQs

How do I convert AVI to MP4?

Use the video converter — it transcodes AVI to MP4 locally via FFmpeg, shrinking the file several-fold while fixing playback everywhere.

Why is my AVI file so large?

AVI usually holds DivX/Xvid video from the 2000s. Re-encoding the same footage as H.264 MP4 typically cuts 70–80% of the size at equal quality.

Can I extract audio from an AVI?

Yes — video to MP3 pulls the audio track out locally, no matter how old the container is.

Is AVI conversion private?

Completely. Transcoding runs in your browser with local FFmpeg; no video is uploaded.