Convert AAC to MP3.
Turn AAC audio into universally-playable MP3 for any device or player. Then transcribe it with TranscriptAI.
How it works
- 01
Add your AAC
Drop one or many files, or click to browse. Private by default.
- 02
Convert with a local engine
AAC becomes MP3 with ffmpeg — no paid API in the loop.
- 03
Download or transcribe
Grab your MP3 (or a zip of many), or send it to TranscriptAI for a transcript.
High-bitrate, faithful audio
Private uploads, auto-deleted after 1 hour
Batch convert many at once, download as a zip
No watermark, no signup to try
Transcript-ready output
Direct handoff to TranscriptAI
Your file is ready. Want to do more with it?
Open this file in TranscriptAI to generate a transcript, summary, structured notes, flashcards, quiz questions or action items — automatically.
Common questions
Is it free?+
Yes — convert AAC to MP3 free, with no signup.
Is my file private?+
Uploads go to a private bucket, are converted, and auto-delete after 1 hour.
What bitrate?+
We re-encode at a high MP3 bitrate for faithful quality.
Related workflows