A2B Converter

Extract text from Adlib Tracker II instrument banks (A2B)


Drop or upload your .A2B file

How to extract text from your A2B file

  1. Click the "Select File" button above, and choose your A2B file.
  2. You’ll see a preview, if available.
  3. Click the "Convert file to..." button to extract text information.

Convert A2B to another file type

To convert A2B Instrument banks to another format, you need Adlib Tracker II or other Audio software.

Convert a file to A2B

To convert other file formats to the "Instrument Bank" file type, you need software like Adlib Tracker II or a similar tool.


About A2B files

The .a2b file is an Adlib Tracker II Instrument Bank. It stores FM (Frequency Modulation) synthesis parameters specifically designed for the Yamaha YMF262 (OPL3) sound chip. Musicians use these files within the DOS-based Adlib Tracker II to design and save custom synthetic instruments for retro chiptune music production.

The current format has severe disadvantages for modern audio workflows. It is a highly specific, obsolete binary format that contains no actual audio waveform data. Instead, it holds mathematical instructions for an FM synthesizer. Because of this, modern Digital Audio Workstations (DAWs) like Ableton Live or FL Studio cannot open or read .a2b files directly.

To use the sounds contained inside an .a2b file today, you must render the FM synthesis into standard audio formats. The best conversion targets are WAV or FLAC for lossless sampling. Once rendered as audio, you can map these samples into modern sampler formats like SF2 (SoundFont).

Standard online converters fail to process .a2b files because they lack OPL3 emulation engines; they expect raw waveform data, not register instructions. Often, only the original software or specialized emulators can properly read or export the data. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.

Convert.Guru analyzes your A2B file, detects the exact format, and lets you read the text inside.

Users also converted SA2B, RXP and MPCPL files.


FAQ

If you want to convert A2B file to , you can use Adlib Tracker II or similar software from the "FM Synthesis Instrument Bank" category. In the File menu, look for Save As… or Export….

To convert files to A2B, try Adlib Tracker II or another comparable tool in the "FM Synthesis Instrument Bank" category.



The A2B Converter Story

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 A2B converter.