MP3 to AAC Converter

Convert MP3 to AAC for free. Secure, fast, and private. No registration required for up to 10 files per batch.

mp3

MP3

aac

AAC

Convert your MP3 files to AAC format instantly. Free for up to 10 files per batch.

How to use MP3 to AAC Converter

Upload your files, choose your options and download the result.

Files are encrypted during transfer and automatically deleted after conversion.

Average conversion time is under 25 seconds per file.

Clean conversions without any watermarks or branding.

Compressed audio If you need advanced audio coding, converting to AAC is the way to go.

The process is straightforward: upload up to 10 files, and we'll handle the rest. Need more? A free account lets you convert 25 files at once.

Start without an account. Compare file sizes, processing allowances and retention below.

Plan	Max file size	Files per batch	Operations/month	Shared file storage	File retention
Guest Free	25 MB	25	Unlimited	100 MB	1 day
Free Free Start here	25 MB	200	Unlimited	250 MB	3 days
Pro $12.99/mo	50 MB	200	Unlimited	1 GB	7 days

Non-AI operations are unlimited on every plan. Rate limits, file sizes, batch limits, and storage limits still apply.

Straight answers about the workflow, limits and what happens to your files.

Which formats can I convert between?

Over 50 formats are supported, including documents, images, audio, video, spreadsheets and archives. Popular pairs have their own dedicated pages.

Is there a file size limit?

Yes. The current per-file limit is shown in the tool before upload and on the pricing page.

Are my files safe?

Files are transferred over HTTPS and deleted automatically after the retention period for your plan.

Do I need to create an account?

No account required for basic use. Creating a free account gives you higher limits and access to additional features.