AAC to OGG Converter

Convert AAC audio files to OGG Vorbis format with quality and channel controls

Click to upload file or drag and drop file here

Maximum file size: 50MB Supported formats: audio/aac, audio/x-aac, .aac

Upload an AAC file to convert to OGG

Key Facts

Category
Images, Audio & Video
Input Types
file, select, checkbox
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The AAC to OGG Converter allows you to seamlessly transform AAC audio files into the open-source OGG Vorbis format. With granular controls for bitrate, sample rate, and channel configuration, you can optimize your audio for web applications, game engines, or media players that require high-quality, patent-free audio compression.

When to Use

  • •When integrating audio into game engines like Unity or Godot that prefer the OGG Vorbis format.
  • •When preparing audio for web projects where open-source formats are required for better browser compatibility.
  • •When you need to reduce the storage footprint of your audio library by adjusting bitrates while maintaining high fidelity.

How It Works

  • •Upload your source AAC file (up to 50MB) using the file selector.
  • •Choose your desired output bitrate ranging from 64 kbps to 320 kbps and set the preferred sample rate.
  • •Select the audio channel mode (Mono or Stereo) and decide whether to preserve existing metadata tags.
  • •Process the file to generate and download your optimized OGG Vorbis audio.

Use Cases

Converting mobile-recorded AAC voice memos into OGG format for use in open-source audio editing software.
Transcoding music libraries to OGG Vorbis to ensure compatibility with Linux-based media players.
Optimizing sound effects for mobile games to balance audio quality with limited application package sizes.

Examples

1. Game Sound Effect Optimization

Indie Game Developer
Background
A developer has high-quality sound effects in AAC format but needs them in OGG for better performance in the Godot engine.
Problem
The original files are in a format that requires specific licenses and the file sizes are larger than necessary for simple UI sounds.
How to Use
Upload the AAC sound effect, set the bitrate to 128 kbps, and select Mono to save space.
Example Config
Bitrate: 128, Sample Rate: auto, Channels: 1, Keep Metadata: true
Outcome
A lightweight OGG file perfectly compatible with the game engine's audio system.

2. Web Background Music Conversion

Web Designer
Background
A designer wants to add background music to a portfolio site using the OGG format for broad open-standard support.
Problem
The source track is an AAC file with a very high bitrate that causes slow page loads for mobile users.
How to Use
Upload the AAC track, select 160 kbps bitrate, and keep the sample rate at 44.1 kHz.
Example Config
Bitrate: 160, Sample Rate: 44100, Channels: 2, Keep Metadata: false
Outcome
A compressed OGG file that loads quickly in modern browsers while retaining clear audio quality.

Try with Samples

audio, file
Copyright-Free OGG Vorbis Audio Samples
Open-source OGG Vorbis audio samples for testing and development, featuring excellent compression with nature sounds and meditation music
title token ogg
audio
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 M4A Audio Samples
Apple iTunes compatible M4A audio samples with AAC encoding, optimized for quality and file size balance
preferred input family audio
audio
AMR Narrowband Audio Sample
AMR-NB voice audio sample for telephony playback, upload, and format conversion workflows
preferred input family audio
audio

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FAQ

What is the maximum file size supported?

You can upload AAC files up to 50MB for conversion.

Will my song titles and artist names be saved?

Yes, if you enable the 'Keep Metadata' option, the tool will preserve tags during transcoding.

Can I convert stereo AAC files to mono OGG?

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

What bitrates are available for the OGG output?

You can choose from several options including 64, 96, 128, 160, 192, 256, and 320 kbps.

Does this tool support high-resolution audio?

Yes, it supports sample rates up to 96 kHz for high-fidelity audio output.

API Documentation

Request Endpoint

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

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes Upload an AAC file to convert to OGG
bitrate select No -
sampleRate select No -
channels select No -
keepMetadata checkbox No -

File type parameters need to be uploaded first via POST /upload/aac-to-ogg 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-aac-to-ogg": {
      "name": "aac-to-ogg",
      "description": "Convert AAC audio files to OGG Vorbis format with quality and channel controls",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=aac-to-ogg",
      "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]