ToolMulti
Your everyday online toolkit

Audio to AAC

Batch convert audio files to AAC format. Supports multiple input formats with customizable quality, sample rate and channels.

Tool Guide

Feature Introduction

Audio to AAC tool batch converts various audio files to AAC format. AAC (Advanced Audio Coding) is the next-generation audio standard with better compression efficiency than MP3.

Supported Input Formats

- MP3, WAV, AAC, OGG, FLAC, M4A, AC3, Opus, PCM

- Other browser-supported audio formats

How to Use

  1. Click the upload area or drag audio files to the page (multi-select supported)
  2. Configure quality, sample rate and channel settings
  3. Click "Batch Convert to AAC" button
  4. Wait for processing to complete
  5. Download individual files or the ZIP package

Notes

- AAC is the standard format for You Tube, i Tunes, etc.

- 128K AAC has similar quality to 192K MP3