# MP3 to AAC Converter

Convert MP3 audio to AAC with bitrate, resampling, and channel options

> Canonical page: https://elysiatools.com/en/tools/mp3-to-aac

- **Category:** Media

- **Keywords:** mp3, aac, audio, converter

## Overview

Easily convert your MP3 audio files to the AAC format with this efficient online tool, offering customizable settings for bitrate, sample rate, and channel configuration to suit your specific audio requirements.

## Inputs

- **Audio File** (file): Select the source audio file
- **Bitrate (kbps)** (select): Choose target bitrate for output
- **Sample Rate** (select): Output sample rate
- **Audio Channels** (select): Select output channel count
- **Keep Metadata (when available)** (checkbox): Preserve title/artist tags when possible

## When to use

- When you need to prepare audio files for Apple devices or platforms that prefer the AAC format.
- When you want to optimize file size while maintaining high audio quality through specific bitrate adjustments.
- When you need to downmix audio channels or adjust sample rates for compatibility with specific media players.

## How it works

- Upload your source MP3 file using the file selector.
- Adjust the output settings including bitrate, sample rate, and channel count as needed.
- Click the convert button to process your file and download the resulting AAC audio.

## Use cases

- Optimizing music libraries for better compatibility with iOS and iTunes.
- Reducing audio file sizes for web streaming without significant quality loss.
- Standardizing audio sample rates for professional editing or broadcasting projects.

## Frequently asked questions

### Is there a file size limit for uploads?

Yes, the tool supports files up to 50 MB.

### Can I keep my original audio tags?

Yes, the 'Keep Metadata' option is enabled by default to preserve title and artist information.

### What bitrates are available?

You can choose from 96, 128, 160, 192, 256, or 320 kbps.

### Does this tool support batch conversion?

No, this tool is designed to process one audio file at a time.

### Can I change the audio to mono?

Yes, you can select 'Mono (1 channel)' in the Audio Channels settings.

## Related tools

- [AAC to MP3 Converter](https://elysiatools.com/en/tools/aac-to-mp3): Convert AAC audio to MP3 with controllable bitrate, resampling, and channel selection
- [Batch Audio Converter](https://elysiatools.com/en/tools/audio-batch-converter): Convert multiple audio files between different formats like MP3, WAV, FLAC, AAC, OGG, Opus with quality settings and batch processing
- [Audio Codec Swap](https://elysiatools.com/en/tools/audio-codec-swap): Change the codec of an audio file within a chosen output format
- [Audio Format Converter](https://elysiatools.com/en/tools/audio-converter): Convert audio files between different formats like MP3, WAV, FLAC, AAC, OGG with quality settings and volume adjustment
- [M4A to MP3 Converter](https://elysiatools.com/en/tools/m4a-to-mp3): Convert M4A audio (AAC/ALAC) to MP3 with bitrate, resampling, and channel controls
- [MP3 to M4A Converter](https://elysiatools.com/en/tools/mp3-to-m4a): Convert MP3 audio to M4A (AAC) with bitrate, resampling, and channel options
- [Video Audio Extract Enhanced](https://elysiatools.com/en/tools/video-audio-extract-enhanced): Extract audio from video files with advanced options - multiple formats, quality settings, and audio enhancement
- [WAV Compress](https://elysiatools.com/en/tools/wav-compress): Compress a WAV file by converting to MP3, AAC, OGG, or Opus

## Samples

- [Copyright-Free MP3 Audio Samples](https://elysiatools.com/en/samples/mp3-samples): Collection of royalty-free audio samples for testing and development purposes including nature sounds, meditation music, and ambient audio
- [Copyright-Free AAC Audio Samples](https://elysiatools.com/en/samples/aac-samples): High-quality AAC encoded audio samples for testing and development, featuring nature sounds and meditation music with excellent compression
- [Copyright-Free FLAC Audio Samples](https://elysiatools.com/en/samples/flac-samples): Lossless FLAC audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
- [Copyright-Free WAV Audio Samples](https://elysiatools.com/en/samples/wav-samples): Uncompressed PCM WAV audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music

## Related content

- [Convert Audio Without Guessing the Codec or Delivery Settings](https://elysiatools.com/en/hubs/audio-convert): Inspect the source, choose one deliberate conversion path, change only destination-required parameters, and verify the delivered audio file.