Free 3GP to AVI Converter Online

Fast, Free, Secure & Simple

How to Convert 3GP to AVI

Convert 3GP to AVI for legacy players.

Upload your 3GP file
Click Upload and select your 3GP file from your device.
Confirm AVI as output
The AVI format is auto-selected for this page—confirm it (or choose if needed). Good for older Windows setups.
Convert and download
Click Convert Now and download your AVI file. Check in the player you’ll use. Note: AVI files can be large.

💡 Example: Play a 3GP recording on a legacy PC by converting to AVI.

Change My File is your go-to tool to convert 3GP to AVI online for free. No software download required – just upload your 3GP file, click convert, and get your high-quality AVI video in seconds. Whether you’re converting old mobile videos or preparing files for editing, our online converter ensures top performance with quick processing and crystal-clear output.

Why Convert 3GP to AVI?

The 3GP format is common for older mobile phones, but it's not supported by many modern devices and video editors. By converting your 3GP files to the more universal AVI format, you unlock better compatibility, playback, and editing features.

Benefits of converting 3GP to AVI:

Better compatibility with media players
Works with Windows, Mac, and Android
Easily editable in popular video editing software
Supports high-quality video and audio output

How to Convert 3GP to AVI Online Free

Using our free 3GP to AVI converter is as simple as it gets. No tech skills needed!

Follow these 3 easy steps:

Upload your 3GP file – Drag and drop or click to upload.
Select AVI as your output format.
Click 'Convert' – Your AVI file will be ready for download in seconds!

Free & Secure Online 3GP to AVI Converter

Completely free – No signup or subscription required
Safe and secure – We protect your files with SSL encryption
Supports large files – Convert big 3GP files with ease
High-speed conversion – Fast processing without quality loss
User-friendly interface – Works on all browsers and devices

Convert 3GP to AVI on Any Device

Whether you're on Windows, Mac, Linux, or even a smartphone, Change My File lets you convert video files anytime, anywhere. All you need is an internet connection and your 3GP file!

Start Your Free 3GP to AVI Conversion Now!

Don’t struggle with incompatible video formats. Change My File makes it fast, free, and easy to convert 3GP to AVI online. Upload your file and get started instantly — no installations, no hassle.

Upload your 3GP file now and convert to AVI in seconds!

File extension	.avi
File category	Video
Stands for	Audio Video Interleave
Developer	Microsoft
Overview	This file format stores both audio and video files for playback purposes. It is used to store files that are of high quality as file compression is less in this extension. Windows OS uses this as the default format to store multimedia files but other operating systems such as Linux, Unix and Mac also support this. The data in it is encoded by various codecs such as DivX and XviD. There is a variety of software that support these files. For instance- Microsoft Movies & TV, Windows Media Player and Apple QuickTime player; etc. Due to its low compression ability, it is widely used to make short movies, promos and advertisements; etc. It should be noted that AVI format result in large files that is why it is rarely used for video streaming.
Technical description	In AVI extension, file's data is divided into blocks or chunks as it is a sub-format of RIFF(Resource Interchange file format). An identification of each chunk is done by FourCC tag. File header and metadata of video(like height, width and frame rate) are identified by ‘hdrl tag' which is sub-chunk and it is mandatory. There is one another chunk which is also obligatory that is ‘movi tag' and it has actual audio or video data. The last sub-chunk is ‘idx1 tag' and it records the offsets of the data chunks. This ‘idx1 tag' is completely optional. There is one limitation of this format that it does not contain variable bitrate data.
Links	wikipedia.org (opens in new tab - official documentation)

File extension	.3gp
File category	Video
Stands for	Also termed as 3GPP file format
Developer	3rd Generation Partnership Project(3GPP)
Overview	3GP file format is compatible with all the 3G cell phones but it can also be used in some 2G and 4G phones with certain limitations. It is a multimedia container which enables various multiple streams to be embedded into a solo file. It is used both for video and audio files. This format gives an opportunity to the user to edit, modify and transfer files on mobile devices. This aforesaid facility is available online as well. Multimedia messaging service(MMS) and Multimedia Broadcast Multicast Services(MBMS) use this extension for all media files that needed to be sent using cellular or wireless connection. Furthermore, it takes less storage space thus prevents files to consume more disk capacity.
Technical description	This extension is based on ISO Base Media file format, MPEG-4 Part 12. It is specially designed for GSM(Global System for Mobile Communications) based phones and tablets. It should be noted that there are few cellular phones that use .mp4 extension to store 3GP video files. Besides this, the smaller bandwidth requirements lead to an easy transmission of files over the Internet. In this type, video streams are stored as MPEG-4 Part-2, H.263 or MPEG-4 Part-10 (AVC/H.263). And AMR-NB, AMR-WB, AMR-WB+, AAC-LC, HE-AAC V1 or HE-AAC V2(This is enhanced AAC PLUS) are used for audio streams. There are various programs linked to this format like QuickTime player, VLC Media Player and Windows Media Player; etc. Apart from this, the Nintendo 3DS also use its technology to play YouTube videos. These files can also be coded and deflated with open-source software.
Links	wikipedia.org (opens in new tab - official documentation)

ChangeMyFile