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3GP to WebM Converter

Convert 3GP files to WebM without installing software or uploading anything. The video is re-encoded to VP8, 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 WebM

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-encodedVP8 video with Vorbis audio
Opens inall current browsers and VLC; iPhone apps, PowerPoint and many editors 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
WebM

WebM WebM Video

WebM is an open, royalty-free container built for the web, usually holding VP8 or VP9 video with Opus or Vorbis audio. Browser screen recorders and many web apps save WebM by default.

WebM converter

How to use the 3GP to WebM 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 WebM when processing finishes.

Why convert 3GP to WebM?

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 WebM to embed video on a website using open, royalty-free codecs.

Frequently asked questions

Will the WebM 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 WebM 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 VP8 with Vorbis audio.

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