Convert AAC to MP3 in Your Browser — Fast, Free and Reliable
- Step 1: Choose your AAC (.aac or .m4a) file and upload it.
- Step 2: We convert it automatically. It usually finishes quickly.
- Step 3: Download your MP3 and start listening.
You can upload up to 20 audio files at once.
Built for real-world compatibility
MP3 plays almost everywhere: phones, cars, set-top boxes, and smart speakers. Converting your .aac or .m4a removes guessing and just works on everyday devices.
Batch up to 20 audio files
Convert albums, playlists, or podcast episodes in one go. Drop up to 20 audio files at a time to speed through your queue.
Fast in your browser
No installs and no learning curve. Start in seconds and finish fast. Our workflow runs smoothly in modern browsers on desktop and mobile.
Quality you control
Pick 320 kbps for hi-fi, 192–256 kbps for everyday listening, or 64–96 kbps for speech. Need legacy support? Choose constant bitrate for very old players.
Free, with fair-use limits
Converter App is 100% free—no sign-up, no watermarks, no daily caps under fair use. For video on our other tools, we also handle very large files, including sizes over 1 GB.
Privacy matters
Uploads are removed automatically from our servers shortly after conversion. Use the tool, get your MP3, and move on with confidence.
Play it everywhere — why convert AAC to MP3?
Many dashboards, budget speakers, and early smart-TV apps still recognize only MP3. Turning your .aac or .m4a tracks into MP3 gives you one file that starts instantly on almost any phone, car stereo, or USB stick.
Why some AAC files will not play on older gear
AAC arrived after many low-cost audio chips were designed for MP3 or WMA. Even when a spec sheet mentions AAC, the device may support only a narrow flavor, or it may reject the .m4a container. Converting to MP3 sidesteps those limits. Keep the original AAC for archival quality, since MP3 is another lossy step.
Quality notes when moving from AAC to MP3
For music, 192–256 kbps MP3 is a great balance; it usually matches the AAC in practice. Use 320 kbps only if the source AAC is already 256 kbps or higher—otherwise it mostly adds size. Speech is fine at 64–96 kbps mono. AAC is more efficient than MP3, so matching quality often means a slightly larger MP3. Low-bitrate HE-AAC will not regain missing treble at any MP3 rate.
Quick tips for better AAC to MP3 results
Feeding very old players? Prefer constant bitrate. If your source AAC is already heavily compressed, aim around 128–192 kbps; going higher rarely helps. Speech stays clear at 64–96 kbps mono. Archive the AAC for quality and use the MP3 for universal playback.