3GP Converter

Free online 3GP converter. Convert 3GP to MP4, MOV, MKV, WEBM, AVI and more online — no limits, no watermark.

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Supports: 3GP, 3G2

OptionsAdvanced Options - Our defaults are optimized for the best results. We recommend you keeping the defaults unless you have a specific need.
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Video File Extension
File Compression
Preset
Video resolution
Trim

How to Convert 3GP to Any Format

  1. Upload Your 3GP File: Drag and drop your clip or click "Add Files". The converter also accepts .3g2 (the CDMA-phone variant). Batch is supported — drop in several clips off an old phone or memory card and each converts in parallel.
  2. Pick an Output Format and Quality Preset: Choose the target container from the Video File Extension dropdown — MP4, MOV, MKV, WebM, AVI, WMV, and 25+ more — or extract the audio to MP3, WAV, or AAC. The default Quality Preset is "Very High (Recommended)". Switch to Specific file size to cap output at an exact MB target, Constant Bitrate for predictable sizes, Variable Bitrate for smaller files at equal quality, or Constant Quality (CRF) to fine-tune by perceptual quality.
  3. Resize, Trim, or Change Codec (Optional): 3GP clips are usually small and low-resolution, so under Video resolution you'll typically keep original or upscale only modestly. Under Trim, choose Time Range and enter start + duration. Advanced users can override the Video Codec (3GP→MP4 defaults to H.264) and Audio Codec (AAC, MP3, or the AMR Narrow/Wide Band codecs the original 3GP likely used).
  4. Convert and Download: Click Convert. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours — no sign-up, no watermark, never shared.
  • 3GP to MP4 — the default fix: modern, universal playback and editing
  • 3GP to MOV — import old phone clips into Final Cut or iMovie
  • 3GP to AVI — legacy Windows editors and players
  • 3GP to MKV — archive into a multi-track media-server library
  • 3GP to WebM — royalty-free clips for an HTML5 web page
  • 3GP to MP3 — pull the audio out of a voice memo or recorded clip
  • 3GP to WAV — uncompressed audio for editing or transcription
  • 3GP to GIF — turn a short clip into a silent looping animation

Why Convert a 3GP File?

3GP (the 3GPP file format) is the multimedia container that feature phones and early smartphones recorded to. It was released on 4 April 2003 by the 3GPP — the standards body behind GSM/UMTS mobile networks — and is built on the same ISO base media file format (ISO/IEC 14496-12) as MP4, which is why people often call it a stripped-down MP4 made for low bandwidth. A 3GP file typically holds H.263, MPEG-4 Part 2, or H.264 video alongside AMR or AAC audio, all kept small enough to send over a 3G connection or fit on a phone with a few hundred megabytes of storage.

That small-and-low-res design is exactly why people convert away from 3GP today. The reasons are practical:

  • Playback on modern devices. A 3GP clip recorded on an old Nokia, Samsung, or BlackBerry often won't open by double-clicking on Windows or macOS — the system has no built-in 3GP handler and the AMR audio codec is rarely installed. Converting to MP4 produces a file that plays everywhere with no extra software.
  • Editing. Most video editors won't import 3GP cleanly, and even when they do, AMR audio frequently drops out. Converting to MP4 or MOV gives editors the H.264 + AAC combination they expect.
  • Salvaging old footage. People digging old phones, SIM cards, or memory cards out of a drawer want to preserve the clips before the hardware dies. Converting to a current container is the archival step.
  • The reverse direction (into 3GP). Occasionally you need to create a 3GP — to load a clip onto an old handset, an embedded device, or kiosk hardware that only speaks 3GP. Use MP4 to 3GP for that.

3GP vs 3G2: What's the Difference?

Both extensions come up when you dig through an old phone, and they're nearly identical containers built on the same ISO base media file format — but they were defined by different standards bodies for different mobile networks.

Property 3GP 3G2
Defined by 3GPP 3GPP2
Phone network GSM / UMTS CDMA2000
Released 4 April 2003 Shortly after, for CDMA handsets
Base standard ISO/IEC 14496-12 (MPEG-4 Part 12) ISO/IEC 14496-12 (MPEG-4 Part 12)
Video codecs H.263, MPEG-4 Part 2, H.264 H.263, MPEG-4 Part 2, H.264
Audio codecs AMR-NB, AMR-WB, AAC-LC, HE-AAC Adds EVRC, QCELP, SMV, VMR-WB
Extensions .3gp, .3gpp .3g2, .3gp2
Best target today MP4 (H.264 + AAC) MP4 (H.264 + AAC)

The practical takeaway: this converter accepts both, and for either one the right modern target is almost always MP4. If your file came off a Verizon, Sprint, or other CDMA-era phone it's probably .3g2; off a GSM phone (most of the world) it's .3gp.

Frequently Asked Questions

What opens a 3GP file on Windows or Mac?

VLC Media Player is the most reliable option — it plays 3GP, including the AMR audio track, on Windows, macOS, and Linux without any extra codec packs. Windows Media Player and QuickTime can open the video in many cases but frequently play silent because the AMR audio codec isn't installed by default. Rather than chasing codec packs, the cleaner fix is to convert the 3GP to MP4 once; the resulting H.264 + AAC file opens in the built-in player on every modern device.

Is 3GP lossy or compressed?

Lossy and heavily compressed. 3GP was engineered to keep mobile video small enough to send over a 3G connection, so both its video (H.263 or MPEG-4 Part 2) and its AMR audio are aggressively compressed — that's why old phone clips look soft and low-resolution. Because the original is already lossy, converting it to MP4 with H.264 at a "Very High" quality preset preserves essentially all of the detail that's actually there; you can't restore resolution the phone never captured, but you won't lose any further quality in the conversion.

Will converting 3GP to MP4 improve the video quality?

No — converting can't add detail that wasn't recorded. A 176×144 or 320×240 clip from an old phone stays that resolution unless you upscale, and upscaling just interpolates pixels rather than recovering real detail. What conversion does fix is compatibility and audio: an MP4 plays everywhere and carries AAC audio that every device decodes. In our testing, a typical 320×240 H.263 3GP clip re-encoded to H.264 MP4 at the Very High preset looked indistinguishable from the source at the same dimensions, with the AMR audio cleanly re-encoded to AAC.

What's the best format to convert 3GP to for editing?

MP4 or MOV. Both wrap the H.264 + AAC streams that video editors expect, and both import without the "unsupported media" prompt that raw 3GP often triggers. Pick MP4 for the broadest compatibility across Windows and cross-platform editors; pick MOV if you're working in Final Cut Pro, iMovie, or another Apple-centric tool. Either way the AMR audio inside the 3GP is re-encoded to AAC during conversion, which fixes the silent-audio problem that plagues 3GP in many editors.

Can I extract just the audio from a 3GP file?

Yes. Pick MP3, WAV, or AAC as the output format and the converter drops the video track and re-encodes the audio — useful for pulling a recorded voice memo, interview, or song clip off an old phone. Choose MP3 for a small shareable file, or WAV if you need uncompressed audio for editing or transcription. The dedicated 3GP to MP3 page covers the audio-extraction settings.

Does 3GP support 1080p or HD video?

In principle the container can hold H.264 at higher resolutions, but in practice almost no 3GP files are HD. The format was made for feature phones and early smartphones that recorded at 176×144 (QCIF), 320×240 (QVGA), or 352×288 (CIF), so the clips you actually find are low-resolution. Converting them to MP4 doesn't make them HD — it just makes them play and edit reliably at whatever resolution the phone originally captured.

Are my files private during conversion?

Yes. Your 3GP file is uploaded over an encrypted connection, converted on our servers, and deleted automatically after a few hours. There's no sign-up, no watermark on the output, and files are never shared or made public. If you're batch-converting clips off an old phone, the same applies to every file in the queue. To shrink a converted clip further, use the Video Compressor; to cut footage before converting, use the Video Cutter.

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