Convert 3GP to AVI Online Free

Convert 3GP mobile video files to AVI format for desktop media player playback and video editing compatibility. ChangeThisFile uses FFmpeg on secure servers — upload, convert, and download with no software needed.

Quick Answer

ChangeThisFile converts 3GP to AVI free using FFmpeg on secure servers. Upload your mobile 3GP video with encrypted transfer, receive an AVI for desktop use, and the file is auto-deleted after download. No signup required — private and completely free.

Free, no signup Under 1 minute

Convert 3GP to AVI

Drop your 3GP file here to convert it instantly

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3GP vs AVI: Format Comparison

Key differences between the two formats

Feature3GPAVI
Full Name3rd Generation Partnership ProjectAudio Video Interleave
Designed ForMobile video sharingDesktop video playback and editing
Video CodecH.263, H.264, MPEG-4H.264, DivX, Xvid, MPEG-4
Audio CodecAMR-NB, AACMP3, PCM, AC-3
File SizeVery smallModerate to large
Editing SupportNot designed for editingWide software support
Mobile SupportNative on phonesRare on mobile
Player SupportMobile media playersWindows Media Player, VLC, most players

When to Convert

Common scenarios where this conversion is useful

Desktop Video Editing

Convert 3GP clips from a phone to AVI format for import into Windows video editors like Adobe Premiere, Sony Vegas, or Windows Movie Maker.

Windows Media Player Playback

View 3GP video recordings on desktop PCs by converting to AVI, which plays in Windows Media Player with standard H.264 codecs.

DVD Authoring Workflow

Convert 3GP mobile footage to AVI as an intermediate step for DVD authoring software that accepts AVI as a source format.

Desktop Media Library Archive

Migrate a collection of 3GP mobile recordings to AVI format for organized storage and easy playback in desktop media players.

Sharing with Desktop Users

Convert 3GP clips for sharing with desktop users who need a format accessible in standard Windows and Linux media players.

How to Convert 3GP to AVI

  1. 1

    Upload Your 3GP Video

    Click to select or drag your 3GP file into the converter. The upload is secured with HTTPS encryption throughout.

  2. 2

    FFmpeg Converts to AVI

    Our servers use FFmpeg to transcode the 3GP's H.263 or H.264 video to H.264 in the AVI container with MP3 audio for broad desktop player and editor support.

  3. 3

    Download Your AVI File

    Download your AVI when conversion is complete. Both the 3GP upload and AVI output are permanently deleted from our servers automatically.

Frequently Asked Questions

AVI is widely supported by Windows Media Player and desktop video editing software. Converting 3GP to AVI makes mobile video accessible for desktop editing and playback without special mobile codecs.

FFmpeg handles H.263, H.264, and MPEG-4 video in 3GP files. All are transcoded to H.264 in the AVI output.

The converted AVI uses MP3 audio encoding, which is widely compatible with Windows Media Player and most desktop media players.

The quality is capped by the source 3GP file. AVI can hold better quality, but converting doesn't add resolution or detail that wasn't in the original 3GP.

Files up to 50MB are supported. 3GP files are typically very small, so this is rarely an issue.

Yes. Files are uploaded via HTTPS and automatically deleted from our servers after your download completes.

Yes. AVI with H.264 encoding is compatible with most professional editing tools including Premiere, DaVinci Resolve, and Sony Vegas.

Yes. FFmpeg converts at the source resolution. 3GP files at 176x144 or 320x240 will produce AVI at the same resolution.

Yes. Completely free — no accounts, subscriptions, or watermarks on converted files.

3GP files are small, so conversions typically complete in under 30 seconds.

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