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WAV to AAC Converter

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

Click to upload file or drag and drop file here

Maximum file size: 80MB Supported formats: audio/wav, audio/x-wav, audio/wave

Select the source audio file

Key Facts

Category
Media
Input Types
file, select, checkbox
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The WAV to AAC Converter is a streamlined utility designed to transform high-quality, uncompressed WAV audio files into the efficient, widely compatible AAC format while maintaining precise control over audio parameters.

When to Use

  • •Reducing the file size of large WAV recordings for easier sharing or storage.
  • •Preparing audio tracks for compatibility with mobile devices and streaming platforms.
  • •Optimizing audio quality by adjusting bitrates and sample rates for specific playback requirements.

How It Works

  • •Upload your source WAV file using the file selector.
  • •Adjust the output settings, including bitrate, sample rate, and channel configuration, to suit your needs.
  • •Click the convert button to process the file and download your new AAC audio.

Use Cases

Compressing studio-recorded WAV stems for quick email delivery to collaborators.
Converting high-resolution archive audio into mobile-friendly formats for personal listening.
Standardizing audio assets for web projects by setting specific sample rates and channel counts.

Examples

1. Optimizing Podcast Audio

Podcaster
Background
You have a raw, uncompressed WAV recording of a podcast episode that is too large to upload to your hosting platform.
Problem
The file size needs to be reduced significantly without sacrificing vocal clarity.
How to Use
Upload the WAV file, set the bitrate to 128 kbps, and keep the sample rate at 44.1 kHz.
Example Config
bitrate: 128, sampleRate: 44100, channels: 2
Outcome
A compact AAC file that retains high audio quality while meeting the hosting platform's size requirements.

2. Preparing Audio for Mobile

Music Producer
Background
You need to send a demo track to a client who needs to listen to it on their smartphone while traveling.
Problem
The original WAV file is not natively supported by the client's mobile media player.
How to Use
Upload the WAV file and select the 'Stereo' channel option to ensure compatibility.
Example Config
bitrate: 192, sampleRate: auto, channels: 2
Outcome
A universally compatible AAC file that plays perfectly on any mobile device.

Try with Samples

audio, file
Copyright-Free AAC Audio Samples
High-quality AAC encoded audio samples for testing and development, featuring nature sounds and meditation music with excellent compression
title token aac
audio
Copyright-Free WAV Audio Samples
Uncompressed PCM WAV audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
title token wav
audio
Copyright-Free M4A Audio Samples
Apple iTunes compatible M4A audio samples with AAC encoding, optimized for quality and file size balance
preferred input family audio
audio
WebRTC Real-Time Communication Samples
Comprehensive WebRTC samples for peer-to-peer audio/video communication, data channels, screen sharing, and signaling server implementation
preferred input family audio
audio

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FAQ

What is the maximum file size I can upload?

You can upload WAV files up to 80 MB in size.

Does this tool support batch conversion?

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

Can I keep my original audio metadata?

Yes, the tool includes an option to preserve title and artist tags during the conversion process.

What bitrates are available for the AAC output?

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

Will I lose audio quality during conversion?

AAC is a lossy format, but by selecting a higher bitrate like 256 or 320 kbps, you can achieve high-fidelity results that are nearly indistinguishable from the source.

API Documentation

Request Endpoint

POST /en/api/tools/wav-to-aac

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes Select the source audio file
bitrate select No -
sampleRate select No -
channels select No -
keepMetadata checkbox No -

File type parameters need to be uploaded first via POST /upload/wav-to-aac to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-wav-to-aac": {
      "name": "wav-to-aac",
      "description": "Convert WAV audio to AAC with bitrate, resampling, and channel options",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=wav-to-aac",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]