Convert ADPCM audio files (G723) online for free
The converter easily converts your G723 audio files to various formats - free and online. No FFmpeg or or other Audio software needed.
The converter also works in reverse, so you can convert other "Telecom Audio Codec" formats to G723 without using software like FFmpeg or a similar tool.
The .g723 file is an extremely low-bitrate audio format utilizing the G.723 ADPCM (Adaptive Differential Pulse Code Modulation) standard. Developed by the International Telecommunication Union (ITU-T), it was heavily used in early VoIP (Voice over IP), digital dictation systems, and legacy surveillance hardware to compress human speech into tiny file sizes. Software like FFmpeg or specialized audio converters like Awave Studio are typically required to process it.
You need to convert this file because the G.723 format is effectively obsolete and entirely unsupported by modern consumer technology. Browsers, smartphones, and standard media players simply lack the codec required to decode the audio stream. Furthermore, because it is an antiquated telecommunications standard, the audio quality is notoriously poor - optimized only for basic speech intelligibility over narrow bandwidth connections.
We strongly recommend converting .g723 files to universally supported formats like WAV or MP3. While converting will not restore lost audio quality or improve the muffled telephonic sound, it guarantees you can actually play the file on any device without downloading obscure telecom software.
This file format is difficult to open or convert because standard audio libraries rarely bundle legacy ITU-T speech codecs. Often, only the original telecom software or specialized command-line tools can properly read or export the data. However, convert.guru can still identify the file format, inspect the file, and show text or internal content. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Use Convert.Guru to open and convert your G723 file.
Users also converted WAV files.
If you want to convert G723 file to M4A, ALAC or APE, you can use FFmpeg or similar software from the "VoIP Audio Encoding" category. In the File menu, look for Save As… or Export….
To convert MIDI, MID or RA files to G723, try FFmpeg or another comparable tool in the "VoIP Audio Encoding" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our G723 converter.