3G2 to AIFC Converter

3G2 to AIFC Converter

A 3G2 file is a 3GPP2 mobile-phone video clip — the kind older CDMA handsets recorded — and it carries both a video track and a lossy audio track. AIFC (AIFF-C, extension .aifc) is Apple's Audio Interchange File Format container, the Mac-native sibling of WAV. This tool is an audio extraction: it pulls the audio out of the 3G2 and writes it to an AIFC file. The video is discarded, and on this converter the output is uncompressed PCM inside the AIFC container, not a compressed AIFF-C codec.

3G2 Format at a Glance

AIFC Format at a Glance

How to Convert 3G2 to AIFC

1. Upload Your 3G2 File: Drag and drop your .3g2 clip onto the page or click "+ Add Files." You can queue several files and convert them with the same settings.
2. Set Audio Sample Rate: Leave it on "Original" to keep the source rate, or pick a target rate (for example 44100 Hz for CD-style audio) from the Audio Sample Rate dropdown.
3. Set Audio Channel: Keep "Original," or use the Audio Channel dropdown to force Mono or Stereo. Use Trim if you only want a section of the clip.
4. Convert and Download: Click "Convert" and save your .aifc file. No sign-up, no watermark.

Frequently Asked Questions

Does converting 3G2 to AIFC recover the original audio quality?

No. The audio inside a 3G2 file is already lossy — it was recorded with AMR, AAC, or a CDMA speech codec like EVRC or QCELP. Writing it to uncompressed PCM in an AIFC container stops adding further loss, but it cannot rebuild detail that the phone's encoder already threw away. You get a clean, full-resolution copy of the audio as it currently exists, not a higher-fidelity original.

Is the AIFC file smaller than the 3G2 it came from?

Usually it is larger. The default AIFC output here is uncompressed PCM, which runs about 10 MB per minute for 16-bit/44.1 kHz stereo — the same size class as WAV. The source 3G2 was compressed for mobile bandwidth, so the extracted PCM audio can be several times bigger than the original clip even though the video is gone. If you need a small, portable file instead, convert 3G2 to MP3.

Will the AIFC file play on Windows?

AIFF and AIFC are Mac-native formats. They open natively in QuickTime, Music/iTunes, GarageBand, and Logic on macOS. On Windows, VLC and Audacity read AIFC fine, but the built-in Windows players may not. If you need a Windows-friendly lossless file with the same uncompressed-PCM audio, use 3G2 to WAV instead — WAV and AIFC carry the same PCM data, just in different containers.

Does this convert the video too, or only the audio?

Only the audio. A 3G2 file holds both a video track and an audio track; AIFC is an audio-only container, so the video is discarded and just the sound is written out. If you want to keep the picture, convert to a video format rather than to AIFC.

Why is the AIFC output PCM instead of a compressed AIFF-C codec?

The AIFF-C spec allows compressed payloads (MACE, IMA 4:1, μ-law), but those codecs are rare and poorly supported in modern software. Apple itself uses a "pseudo-compressed" PCM codec called sowt as its macOS default, which is uncompressed audio in little-endian byte order. This tool follows the same practice: it writes uncompressed PCM so the file opens reliably everywhere AIFC is supported, rather than locking you into a legacy codec.

Are my uploaded files kept private?

Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours. There is no sign-up, no watermark, and your files are never shared or made public.