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MP3 to AAC Converter
Convert MP3 files to AAC in seconds, free and unlimited.
🔒 Files are processed on your device. Nothing is uploaded.
How to convert MP3 to AAC
- Click Choose files or drop your MP3 files into the box. You can add several at once.
- Make sure AAC is selected as the output format.
- Press Convert, then download your AAC files.
MP3
The universal compressed audio format, playable on every device.
AAC
Advanced Audio Coding, the successor of MP3 used by Apple and YouTube.
Video and audio are converted with FFmpeg running inside your browser. Short clips finish in seconds; long or high-resolution videos can take a few minutes because your own device does the work. Open Options to trim, resize or change quality.
Other MP3 conversions
Convert other files to AAC
- MP4 to AAC
- WEBM to AAC
- MKV to AAC
- MOV to AAC
- AVI to AAC
- FLV to AAC
- WMV to AAC
- MPEG to AAC
- MPG to AAC
- M4V to AAC
- 3GP to AAC
- 3GPP to AAC
- 3G2 to AAC
- OGV to AAC
- TS to AAC
- MTS to AAC
- M2TS to AAC
- VOB to AAC
- MXF to AAC
- DV to AAC
- MOD to AAC
- RM to AAC
- RMVB to AAC
- WAV to AAC
- OGG to AAC
- OGA to AAC
- OPUS to AAC
- FLAC to AAC
- M4A to AAC
- M4B to AAC
- M4R to AAC
- WMA to AAC
- AC3 to AAC
- AIFF to AAC
- AIF to AAC
- AIFC to AAC
- AMR to AAC
- AU to AAC
- CAF to AAC
- VOC to AAC
- WEBA to AAC
FAQ
Is converting MP3 to AAC free?
Yes. Unlimited conversions, no sign-up, no watermark.
Are my files uploaded to a server?
No. FieldConvert processes files inside your browser, so your MP3 files never leave your device. That makes it private and fast, because there is no upload or download wait.
Is there a file size limit?
Only your device's memory. Files up to about 2 GB work in most desktop browsers.