MP3 to AAC (Bulk)

Convert multiple MP3 files to AAC at once — download a ZIP or each file individually, all privately in your browser.

Choose files or drag & drop

    ← Single file version

    How to bulk convert MP3 to AAC

    1. Add or drag in several MP3 files.
    2. Pick Single ZIP file or Individual downloads.
    3. Click Convert to AAC and save your files.

    Bulk MP3 to AAC, privately

    This bulk converter processes every file locally in your browser — nothing is uploaded. Convert a whole folder of MP3 files in one go and grab them as a tidy ZIP archive or one at a time.

    Can I convert many MP3 files at once?
    Yes, add as many as you like and convert them in one batch.
    Are my files uploaded?
    No. Everything is processed locally in your browser, so your files never leave your device.

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