MP3 to AAC Converter
Convert MP3 to AAC when portable audio needs to fit mobile apps, media libraries, streaming workflows, and compact delivery. Upload multiple MP3 files and export AAC audio in one free batch.
Conversion target
Upload MP3, export AAC
MP3
Source file
AAC
Output file
Upload MP3 files
Select multiple MP3 audio files up to 100MB each. This free batch converter exports AAC only.
How to convert MP3 to AAC
Use the free batch converter above to turn multiple MP3 files into AAC files in a single browser session.
- Step 1
Upload MP3 files
Select one or more MP3 audio files from your device. The converter accepts batch uploads for faster format changes.
- Step 2
Keep AAC as the target
This landing page is preset for MP3 to AAC, so every selected file exports to the right audio format.
- Step 3
Download converted AAC
Convert the batch, then download each AAC result or save the completed files together when the batch finishes.
Why convert MP3 to AAC?
MP3 is useful for phones, cars, websites, email attachments, and upload forms, while AAC is better for mobile apps, media libraries, streaming workflows, and compact delivery. Converting creates a copy that fits the destination workflow without changing your original file.
Best MP3 to AAC settings
Use 192 kbps for general audio and 256 kbps for music. Avoid very low bitrates when the source is already compressed.
What to expect
AAC output is compressed for practical playback and delivery. If the MP3 source is already compressed, choose a reasonable bitrate to avoid extra artifacts.
When this conversion makes sense
Prepare MP3 audio for mobile apps, media libraries, streaming workflows, and compact delivery
Batch convert multiple MP3 files to AAC
Standardize a mixed audio folder around AAC
Create AAC copies while keeping the original MP3 files
More MP3 and AAC converters
Explore more batch audio converter pages for nearby format workflows and stable browser outputs.
MP3 to AAC Converter questions
Can I batch convert MP3 to AAC?
Yes. Upload multiple MP3 files, keep AAC as the target, and convert the batch in the browser.
Will MP3 to AAC reduce quality?
AAC is compressed, so quality depends on the chosen bitrate and the original MP3 source.
Why choose AAC output?
AAC is useful for mobile apps, media libraries, streaming workflows, and compact delivery. efficient compression for modern apps, streaming, and mobile playback.
Should I keep the original MP3 file?
Yes, especially if it is a master, archive, or source recording. Use the AAC file as the converted copy for the target workflow.
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