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Convert audio between MP3, WAV, M4A, OGG, FLAC, AAC, OPUS, AIFF and WMA. MP3 for everywhere, WAV/FLAC/AIFF for lossless work, M4A/AAC for Apple, OPUS for the smallest web audio, WMA for legacy Windows.
Files arrive in whatever format the sender fancied; the Audio Converter is part of a documents-forward bench on ConvertFiles built for that moment — Office and PDF both ways, with images, audio and video converted in the same visit, and everything deleted the moment you download.
100% freeNo sign-upNo watermarkFiles auto-deletedWorks on any device
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Tap to choose a file or drag & drop it here
Audio files · deleted right after processing
A short ad is shown before processing — it keeps this tool free. No sign-up, no watermark.
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How to use the audio converter
Upload your file — drag & drop it or tap to browse.
Set any options, then hit the button.
Watch the short ad — your finished file downloads instantly.
Why people pick this over other converters
No account, ever. Most big converter sites push sign-ups and paid tiers for basic jobs. Here the tool just works.
No watermarks and no job counters on standard tools — fair-use rate limits keep things fast for everyone — and a generous 200 MB upload limit.
Private by design: your file is processed in a temporary folder and deleted the moment your download finishes. Nothing is stored or shared.
Fast: this page is a fraction of the size of the ad-heavy alternatives, and the same account-free toolbox has 121 other tools when you need them.
FAQ
Is this really free?
Yes — completely. A short ad before processing keeps every tool free; no account, subscription or credits are ever required.
What happens to my file?
It is processed in a temporary folder and deleted the moment your download finishes. We never store, view or share uploads.
Do I need to install anything?
No. Everything runs in your browser session against our servers — any phone, tablet or computer works.
