Convert vintage Sun Microsystems and NeXT (.au, .snd) audio files, early web sounds, and telecom recordings into universally playable 16-bit linear PCM WAV in your browser. 100% private with zero server uploads.
Detailed side-by-side format architecture for AU Sound Stream / Module (.au) and Waveform Audio File Format (.wav). Every conversion executes strictly within isolated browser memory without network transit.
Drag and drop your .au file onto the working surface or use the system file dialog. File magic bytes are verified locally on device.
Select a quality preset (Lossless, Visually Lossless, Balanced, Smallest) or adjust advanced encoding switches in the options panel.
Click CONVERT to execute local WebAssembly compilation. Save the finished .wav directly to local storage, or stage it for chaining.
Prefer local shell scripting? Run this standard POSIX command on your machine to achieve equivalent transcoding without a web interface:
# Convert AU to WAV locally
ffmpeg -i input.au -codec:a pcm_s16le output.wavWorking with files across multiple web pages? The official convrtr Chrome Extension adds native Side Panel docking, right-click context menu media extraction, and visible viewport capture. Powered by the same zero-upload client-side WebAssembly engine.
Compare Westwood Studios AUD sound files from Command & Conquer and Red Alert with standard RIFF WAV. Understand WS-ADPCM compression, sample rates, and DAW playback.
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An in-depth audio engineering comparison between WAV and MP3. Compare bitrates, file sizes, audio frequencies, and production workflows.
The AU audio format was introduced by Sun Microsystems for SunOS and popularized on NeXT computers and early Mosaic/Netscape web pages. It commonly uses G.711 mu-law or Big-Endian linear PCM.
Many contemporary media players, mobile browsers, and DAWs no longer support raw AU/SND headers or mu-law decompression. Converting to 16-bit RIFF WAV makes the audio universally playable.
convrtr supports 8-bit G.711 mu-law, 8-bit G.711 A-law, 8-bit signed PCM, 16-bit/24-bit/32-bit Big-Endian PCM, and 32-bit IEEE float, preserving original sample rates and channel layouts.
Never. All sample decompression and RIFF WAV formatting happen 100% locally in your browser memory.
AU Sound Stream / Module (AU) and Waveform Audio File Format (WAV) serve distinct roles across the digital workflow. Converting to WAV provides optimized compatibility, modern compression efficiency, or standardized playback across web browsers, operating systems, and media production environments.
The output format (WAV) is inherently lossless or supports lossless operation. Your original visual or audio fidelity is mathematically preserved without quantization artifacts.
Never. convrtr is architected with a strict zero-upload model. All processing, decoding, decompression, and encoding happen 100% locally on your machine using sandboxed WebAssembly and Web Workers. Your data never touches an external server, database, or analytics collector.
You can execute this conversion locally via command-line utilities such as ffmpeg, cwebp, or ImageMagick. For example: see the developer terminal recipe provided in the technical specifications dossier above. convrtr provides the identical local-first capability directly inside your browser without installing CLI packages.
Yes. You can drop multiple .au files into the instrument to process them concurrently in browser Web Workers, or click 'Open in Master Studio' to queue mixed formats, configure individual targets, and export as a single ZIP archive.
Convert web media, local files, and document assets directly in Chrome Side Panel using client-side WebAssembly, zero-server uploads, and the official convrtr browser extension.
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