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AAC to MP3 Converter
Convert AAC (.aac) to MP3 (.mp3) via a free public conversion API from the browser. UniConvert is come-convert-leave: no account and no permanent file library.
Open the interactive AAC to MP3 Converter (loads automatically when JavaScript is available).
How to convert AAC to MP3
- Step 1. Choose a .aac file from your device.
- Step 2. Confirm the output format is .mp3 — this page is already set to AAC → MP3.
- Step 3. Start the conversion, then preview, copy, or download the .mp3 result. Nothing is kept for later.
Why convert AAC to MP3 here
- AAC → MP3 uses a free public API called directly from the page — no UniConvert servers in the middle.
- Category: Audio — Transcode audio formats when a media engine such as FFmpeg is available.
- No signup, no subscription, and no permanent storage of your files on UniConvert.
- Status: available now.
AAC to MP3 FAQ
Is this AAC to MP3 converter free?
Yes. UniConvert does not require an account for AAC → MP3. Ads may appear to keep the site free.
Do you store my AAC files?
Files for this pair are sent to the free conversion provider for processing and are not stored by UniConvert afterward.
What is the difference between .aac and .mp3?
.aac is treated as the input format and .mp3 as the output. Use this page when you specifically need AAC → MP3 rather than a generic upload form.
Can I convert other formats in Audio?
Yes — open the Audio category for other pairs, or use Convert a file to pick any available source and target.