AVI は Windows の古典的な動画コンテナです。互換性は高いものの、近代的な機能が乏しく、ファイルが大きくなりがちです。
Typical use: 古い AVI 素材は MP4 に変換して扱いやすくします。
About the AVI format
AVI は Windows の古典的な動画コンテナです。長く広く使われてきたため互換性は高いものの、字幕やメタデータなど近代的な機能は弱いままです。
古い素材を扱うとき以外に積極的に選ぶ理由は少なく、保存・配布には MP4 への変換が実用的です。
Strengths
- ✓ 古い環境でも再生できる
- ✓ 構造が単純
Limitations
- ✗ 近代的な機能が乏しい
- ✗ ファイルが大きくなりがち
- ✗ Codec zoo inside — playback is guesswork
- Compression
- Legacy codecs (DivX/Xvid era)
- Quality
- Capped by its era
- Compatibility
- Legacy Windows tooling
- Best for
- Reading old archives
Convert AVI to…
25 direct directions plus 49 workflows, sorted A–Z; 🔥 marks popular targets.
Cross-engine workflows
Convert other files to AVI…
Frequently asked questions
What is a AVI file?
AVI is Microsoft’s classic video container from the 90s. Files are large by modern standards but old devices and software still produce them.
How do I convert AVI files online?
Pick a target format from the "Convert AVI to…" list below, drop your file and hit convert. Everything runs in your browser — no install, no upload, no watermark, no limits.
Is it safe to convert AVI files here?
Yes. Every conversion is performed by your own device inside the browser — files never leave for a server, and the page keeps working even offline.
Which formats can AVI convert to?
This page lists all 74 directions across documents, images, audio, video, spreadsheets and archives — each one is its own free converter page.