ChangeMyFile - Free Online File Converter

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Free MP4 to 3GP Converter Online

Fast, Free, Secure & Simple

How to Convert MP4 to 3GP

Convert MP4 to 3GP for lightweight mobile video.

  1. Upload your MP4 file

    Click Upload and select your MP4 file from your device.

  2. Confirm 3GP as output

    The 3GP format is auto-selected for this page—confirm it (or choose if needed). Useful when bandwidth is limited.

  3. Convert and download

    Click Convert Now and download your 3GP file. Preview the 3GP to confirm audio stays in sync. Note: 3GP keeps size small by reducing quality.

💡 Example: Send a short MP4 clip as 3GP over messaging apps.

Looking for a reliable way to convert MP4 to 3GP? Change My File offers the best free MP4 to 3GP converter online that’s fast, simple, and secure. Whether you're trying to compress video for older mobile phones or reduce file size for smoother playback, our tool is the perfect solution. No sign-up needed — just upload your MP4 file, convert it instantly to 3GP, and download!

Why Convert MP4 to 3GP?

MP4 files are great for high-quality playback, but they can be large in size and not supported by older mobile devices. 3GP format is specifically designed for 3G mobile phones and offers faster streaming with reduced file size.

Use our free online MP4 to 3GP converter to:

  1. Compress large video files for mobile
  2. Share videos faster on low-bandwidth networks
  3. Watch MP4 videos on older phones or media players

How to Convert MP4 to 3GP in Seconds

Converting MP4 files to 3GP has never been easier:

  1. Upload your MP4 file (drag and drop or browse)
  2. Click on the “Convert to 3GP” button
  3. Wait a few seconds while we process your video
  4. Download the 3GP file instantly

✔ No registration required

✔ Unlimited file conversions

✔ Works on Windows, Mac, Android, and iOS

Key Features of Our Free MP4 to 3GP Converter

Fast & Easy Video Conversion

Get your 3GP video in just a few clicks with our user-friendly interface.

Completely Free – No Hidden Costs

Convert MP4 to 3GP online free without any limits or watermarks.

Supports All Devices

Use the converter from any smartphone, tablet, or desktop browser.

Secure & Private

We don’t store your files. All conversions are encrypted and deleted automatically after processing.

High-Quality MP4 to 3GP Conversion Tool

Change My File uses cutting-edge encoding technology to preserve the quality of your video while reducing file size. Whether you're converting music videos, lectures, or movies, our tool ensures optimal audio-video sync in the 3GP format.

Frequently Asked Questions (FAQs)

Can I convert large MP4 files to 3GP?

Yes! Our tool supports large files and compresses them without quality loss.

Do I need to install software?

No. Everything is handled online. Just upload your MP4 file and convert.

Is this MP4 to 3GP converter really free?

Absolutely! There are no subscriptions, ads, or premium limitations.

Will it work on my phone?

Yes. The converter works smoothly on all Android and iOS browsers.

Start Using the Best Free MP4 to 3GP Converter Today

Don’t waste time with clunky software or apps. Change My File is your go-to destination for free MP4 to 3GP video conversion. Fast, secure, and reliable — perfect for anyone looking to compress MP4 files or convert for mobile compatibility.

Upload your MP4 now and convert to 3GP in seconds!

File extension.mp4
File categoryVideo
Stands forMPEG-4 Video stream
DeveloperMoving Picture Experts Group
OverviewIt stores multimedia data. It is commonly used by manufacturers (those produce mobile products) as well as by Apple for audio, video and still images. It offers higher flexibility and is compatible with both audio and video files. The Format provided by these files i.e MPEG-4 is commonly used online for streaming the videos. Any Movie, video or Audio file can be easily downloaded or streamed online with this extension which can be free or chargeable as well, such as downloading from iTunes. The payment can be made using credit or debit cards. These files may also include audio books, photos, podcasts, songs, movies, not making them limited to just audios and videos. This format has become more common as they are being used in iPod and PlayStation Portable(PSP). Commonly portable media players are advertised as “MP4 players” although they are capable of playing other media format as well like ‘AMV format'.
Technical descriptionMPEG-4 files are officially named under extension .mp4 and this is the only official extension for MPEG-4 PART-14 formats. These files were introduced in 2001 under the standards of ISO/IEX 14496-1:2001. It runs on AAC encoding which restricts the users from copying the data of the files. The data embedding can be done on these files using any private stream. For instance, hint tracks to add the streaming information into the file. These files are similar to most of the modern containers containing data information which allows internet streaming.
Links
File extension.3gp
File categoryVideo
Stands forAlso termed as 3GPP file format
Developer3rd Generation Partnership Project(3GPP)
Overview3GP 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 descriptionThis 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.
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