Convert AVI to H264 Online — Free & Fast | AnyConv

AVI to H264 Converter

Quickly convert multiple avi files to h264 — free & online.

Drag & drop your files here or click to upload

How to convert AVI to H264 online

Follow these simple steps to convert avi files to h264 using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your AVI file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your AVI into H264. The process usually takes just a few seconds.

Download your H264

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a AVI file?

AVI (Audio Video Interleave) is a multimedia container format introduced by Microsoft. It can store both video and audio data in a single file and supports a variety of codecs.

Although an older format, AVI is still widely supported and used for video playback, editing, and sharing. However, its larger file sizes and limited support for newer features make it less efficient than modern formats.

How to open AVI files

AVI files are compatible with nearly all media players, including VLC, Windows Media Player, and QuickTime (with codecs). They are widely used in both editing and playback.

You can convert AVI to MP4 or MKV using AnyConv for improved compression and compatibility.

Key facts about AVI

  • Full name: Audio Video Interleave
  • Extension: .avi
  • MIME type: video/x-msvideo
  • Developed by: Microsoft
  • Initial release: 1992

Useful links and resources

What is a H264 file?

H.264, also known as AVC (Advanced Video Coding), is one of the most widely used video compression standards in the world. It offers excellent video quality at relatively low bitrates and is the backbone of MP4 files.

H.264 is used in everything from Blu-ray discs to online streaming platforms and video conferencing. It remains a standard choice for compatibility and efficient compression.

How to open H264 files

H.264 files are playable in nearly all modern players, including VLC, Windows Media Player, and QuickTime. They are often embedded in MP4 or MKV containers.

Use AnyConv to convert raw H264 streams to MP4 for better compatibility and easier use.

Key facts about H264

  • Full name: H.264 Video Compression
  • Extension: .h264 / .mp4 / .mkv
  • MIME type: video/h264
  • Developed by: ITU-T, ISO/IEC
  • Initial release: 2003

Useful links and resources

Convert to H264

Want to get a file in H264 format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into H264.

❓ Frequently Asked Questions

Answers to common questions about converting AVI to H264
  • Do I need to register to convert AVI files?
    Not at all! You can convert AVI to H264 without signing up or installing anything.
  • Is it safe to convert AVI to H264 on AnyConv?
    Absolutely. All AVI and H264 files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting AVI to H264?
    We do our best to preserve the original quality during AVI to H264 conversion. The result is accurate and clean.
  • How long does it take to convert AVI to H264?
    Most conversions from AVI to H264 take just a few seconds — even for larger files.
  • Can I upload more than one AVI file?
    Yes, batch conversion is supported. You can convert multiple AVI files to H264 at once — fast and easy.
  • What browsers support AVI to H264 conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting AVI to H264 on any platform.