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3GP to AVI Converter

Convert 3GP files to AVI without installing software or uploading anything. The video is re-encoded to MPEG-4 Part 2, so long files take a while.

  • Free, no sign-up
  • Files never leave your device
  • Powered by FFmpeg
  • No watermark
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Your files are processed on this device and are never uploaded to a server.

What happens when you convert 3GP to AVI

Inside a typical 3GPH.263 or H.264 video with AMR or AAC audio
Copy without re-encodingRarely: the codecs are not compatible, so the video is re-encoded
When re-encodedMPEG-4 Part 2 video with MP3 audio
Opens inWindows Media Player and VLC; phones and browsers usually do not

Sizes are typical values; your files will vary with content and settings.

3GP

3GP 3GPP Multimedia

3GP is a low-bandwidth video format used by older mobile phones. Files are small but low resolution.

3GP converter
AVI

AVI Audio Video Interleave

AVI is Microsoft's 1992 video container. It is still found in old camera footage, DVD rips and legacy Windows software.

AVI converter

How to use the 3GP to AVI Converter

  1. 1

    Choose a 3GP file or drop it onto the page.

  2. 2

    Review the video options. The defaults suit most files.

  3. 3

    Click Convert and download your AVI when processing finishes.

Why convert 3GP to AVI?

3GP files come from older mobile phones and apps that compress video heavily for slow networks. Quality is low and modern apps rarely accept it. Choose AVI for older players, TVs with a USB port and legacy Windows software.

Frequently asked questions

Will the AVI lose quality?

Both formats are lossy, so converting re-encodes the data once more. Using a high quality setting keeps the generational loss very small. Avoid converting the same file back and forth repeatedly.

Does converting 3GP to AVI re-encode the video?

Rarely: the codecs are not compatible, so the video is re-encoded. A typical 3GP contains H.263 or H.264 video with AMR or AAC audio. Otherwise the result is MPEG-4 Part 2 with MP3 audio.

Questions about privacy, file-size limits or conversion speed are answered in the general FAQ.