SYW Converter

Extract text from SY99/SY85 audio files (SYW)


Drop or upload your .SYW file

How to extract text from your SYW file

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

Convert SYW to another file type

To convert SYW audio files to another format, you need Awave Studio or other Audio software.

Convert a file to SYW

To convert other file formats to the "Yamaha Synthesizer Audio File" file type, you need software like Awave Studio or a similar tool.


About SYW files

An .SYW file is a 16-bit proprietary audio sample format used by early 1990s Yamaha digital music workstations, specifically the SY99 and SY85 synthesizers. Musicians used this format to store raw waveforms and custom audio samples on 3.5" floppy disks or proprietary RAM cards for playback on the hardware.

To open these files today, you typically need the original synthesizer hardware or specialized audio conversion software like Awave Studio. Because .SYW is a closed, undocumented format, no modern web browser, operating system, or standard media player (like VLC or iTunes) can open it natively.

You need to convert .SYW files to make the audio usable in modern Digital Audio Workstations (DAWs) or media players. The primary disadvantage of the current format is its complete obsolescence; it traps your audio in a 30-year-old hardware ecosystem. Standard tools cannot read the proprietary header or the 16-bit PCM data stream.

The best conversion target is a WAV file. This preserves the original uncompressed 16-bit lossless audio quality. If you just need a smaller file for sharing, MP3 or FLAC are great alternatives. Be aware that during conversion, hardware-specific metadata - like synthesizer loop points, pitch mappings, or custom ADSR patch parameters - is often permanently lost.

This file format is exceptionally difficult to open or convert because it was never designed for PC playback. It operates as a raw memory dump for Yamaha DSP chips, meaning standard online converters lack the codecs required to decode the data stream. Often, only the original hardware or highly specialized software 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 SYW file, detects the exact format, and lets you read the text inside.

Users also converted EX3, HCX and SY3 files.


FAQ

If you want to convert SYW file to , you can use Awave Studio or similar software from the "Synthesizer Audio Sample Storage" category. In the File menu, look for Save As… or Export….

To convert files to SYW, try Awave Studio or another comparable tool in the "Synthesizer Audio Sample Storage" category.



The SYW 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 SYW converter.