PAF to AU Audio conversion is the process of transforming audio data stored in a PAF (Portable Application Format or Plugin Audio Format) container into the Sun/NeXT AU audio file format. This conversion extracts and re-encodes the raw or compressed audio streams from PAF into AU’s supported PCM or μ-law/ALaw encodings so the files can be played on legacy Unix/Sun audio tools and many audio editors.
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Read guide →Drag your .PAF file from your computer or use the browse function.
Confirm .au as the selected destination format.
Click "Convert" and download your converted .AU file once ready.
PAF files often use proprietary codecs and have limited MIME type support, making them less versatile. AU files use the audio/basic MIME type and commonly support codecs like µ-law, linear PCM, and a-law. AU format is widely used for audio playback and editing on Unix and Sun platforms.
The AU Audio (.AU) format is commonly used for audio. Understanding its characteristics can be helpful when converting to or from other formats like PAF.
While specific technical details aren't available here, AU Audio files generally serve the purpose of storing audio effectively within their domain.
Easily convert your PAF audio files to AU format with our fast and user-friendly Online PAF to AU Converter. Whether you need to make your audio compatible with different software or devices, our tool provides a seamless conversion experience without the need to install any software.
PAF is a less common proprietary audio format primarily used in specialized applications, while AU is a standard audio file format widely supported on Unix-based systems. AU files typically provide better cross-platform compatibility and support for various codecs compared to PAF files.
Keep source PAF files under 100–250 MB for fastest browser-based conversions; larger files are fine but take longer and may require desktop tools.
To preserve quality, export AU using PCM 16-bit or higher and match the original sample rate when possible to avoid resampling artifacts.
For batch conversions, use a dedicated desktop converter or a bulk-upload feature; browser-based tools may throttle or queue large batches.
Note format limitations: some PAF variants contain plugin-specific metadata or compressed streams that may not map directly to AU and could be lost during conversion.
This PAF to AU converter saved me hours of work.
Emily R.
Audio Engineer
Fast and reliable, exactly what I needed for my audio projects.
Mark L.
Musician
Simple interface and perfect output every time.
Jessica K.
Podcaster
Start your free PAF to AU conversion now.
Drag your file here to to upload.
Up to 250MB
If you need small file sizes for web delivery, convert to AU with μ-law/A-law compression but expect reduced fidelity compared to PCM.