100% Client-side privacy

flv to 3gp Converter

Convert FLV video clips into 3GP animations or files locally in your browser. Absolutely secure—no files are uploaded to any server.

Source
Target
1

Select video source & options

Upload a .flv video or paste a URL, then configure your conversion parameters.

150.0 MB browser limit
Conversion Parameters
Max 300s to prevent memory issues
1

Import Video

Select a local FLV file or paste a direct video link. The file size is processed fully locally.

2

Customize Parameters

Set starting time, output resolution width, and frame rates. Cap duration to optimize performance.

3

Download Result

FFmpeg converts frames locally into the selected 3GP format for instant saving.

About the Conversion

FLV to 3GP Conversion

This tool converts FLV (Flash Video) files to 3GP (3rd Generation Partnership Project) format fully in your browser. A legacy container format used to deliver synchronized audio and video streams over the internet using Adobe Flash Player. It has been mostly deprecated in modern web standards in favor of HTML5 standards. By converting to 3GP, you take advantage of outputs a compact mobile video file for legacy 3g-capable devices and workflows.

Privacy-First Processing

Unlike traditional online converters that upload your media files to third-party servers, this converter runs 100% locally in your browser using WebAssembly technology. Your files are never exposed, sent over the network, or saved elsewhere.

Source format

What is FLV?

FLV is a legacy Flash Video container that was commonly used for online video before HTML5 video became standard.

Advantages

  • Useful for preserving or extracting video from older Flash-era archives.
  • Can be compact for older web delivery workflows.

Limitations

  • Modern browsers no longer support Flash playback.
  • It has limited compatibility with current devices, editors, and platforms.

Output format

What is 3GP?

3GP is a compact multimedia container created for mobile phones and low-bandwidth video sharing.

Advantages

  • Keeps compatible mobile video files relatively small.
  • Useful for older cellular devices and messaging workflows.

Limitations

  • Modern device and editor support is less common than MP4.
  • Its constrained codecs and quality targets are not ideal for high-resolution video.
User feedback

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