What is a .W64 file?
W64 (Wave64) lifts WAV’s 4 GB size limit. Created by Sony for Sound Forge.
- Did you know
- Wave64 let Sound Forge record audio well beyond the old WAV size limit.
- Wave64 was created by Sonic Foundry, the maker of Sound Forge, before the company and product passed to Sony.
- It mirrors WAV’s chunk layout but swaps the four-character chunk IDs for 128-bit GUIDs and 64-bit sizes, smashing the old 4 GB ceiling.
- What Analyser reads
- Identify many more audio formats: lossless/hi-res codecs (Monkey’s Audio, WavPack, TAK, True Audio, DSD/SACD, Musepack), pro containers (Core Audio, RF64/BW64, Wave64, Sun AU, Broadcast Wave with timecode), speech/mobile (Speex, AMR-WB, QCP, 3GA, M4R, GSM), MPEG Layer I/II, instrument banks (SoundFont, SFZ, DLS, RIFF MIDI, GigaStudio), ringtones (RTTTL, iMelody, SAP), tracker modules (MOD, XM, IT, S3M, OctaMED, 669, Oktalyzer), chiptunes (NES NSF, SNES SPC, VGM, Game Boy GBS, AY, YM) and Audacity projects.
- Depth of analysis
- .W64 is an identification-grade format: Analyser recognises it from its bytes and decodes the header metadata it carries, rather than opening it in a full viewer. Formats that do get a full viewer are marked "Full" on the formats page.
- Open a .W64 file
- Drag a .W64 file onto the Analyser home page (or tap to pick one). It is identified entirely in your browser - nothing is uploaded, there is no account, and it works offline once installed.