What image formats can I convert to?

You can convert to JPEG, PNG, WebP, GIF, BMP, TIFF, PNM, and AVIF.

Can I convert multiple images at once?

Yes. You can select multiple files and they will be converted and downloaded in batch.

What input formats are supported?

JPEG, PNG, WebP, GIF, BMP, TIFF, TGA, ICO, PNM, HDR, EXR, AVIF, HEIC, HEIF, SVG, PSD, CR2, NEF, and DNG.

AU to S3M — Free Online Audio Converter

Q: How do you store my files?

We do not store any processed images.

Q: Is this tool free to use?

Yes, this converter is completely free.

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| convert [audio.au] —> [output.s3m]

[+] Convert AU to S3M

[+] Drop AU audio here or click to select AU

Output format

S3M (S3M)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

[+] Donate

[?] FAQ

How do I convert AU to S3M?

Drop your AU file onto this page, choose quality and codec settings, then click Convert. The result downloads as S3M instantly. All processing runs in your browser.

Is AU to S3M conversion free?

Yes, this converter is completely free with no limits on file size or number of conversions.

What codec is used for S3M?

The default codec for S3M is S3M. You can change audio parameters in Advanced mode.

How do you store my files?

We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.

Photo Converter