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Audio Encoder Options

Expose advanced encoder options for selected format

Click to upload file or drag and drop file here

Maximum file size: 120MB Supported formats: audio/*

Key Facts

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

Overview

This tool provides advanced audio encoding options, enabling you to convert audio files to formats like MP3, AAC, OGG, and FLAC with precise control over bitrate, sample rate, channels, and other encoder parameters.

When to Use

  • •When you need to convert an audio file to a specific format for device or platform compatibility.
  • •When you want to adjust audio quality by modifying bitrate or sample rate for size or fidelity optimization.
  • •When you require fine-tuned encoder settings, such as extra arguments, for professional or custom audio processing.

How It Works

  • •Upload your audio file using the file input, supporting common audio types up to 125 MB.
  • •Select the desired output format from options like MP3, AAC, M4A, OGG Vorbis, Opus, or FLAC.
  • •Configure settings such as target bitrate, sample rate, and audio channels, or add extra encoder arguments.
  • •Optionally choose to keep metadata, then download the converted audio file.

Use Cases

Converting podcast recordings from WAV to MP3 for distribution on streaming platforms.
Optimizing audio files for web use by reducing bitrate and changing format to AAC.
Archiving audio in lossless FLAC format while preserving original quality and metadata.

Examples

1. Convert WAV to MP3 for Podcast Distribution

Podcast Producer
Background
A podcast producer has a high-quality WAV recording that needs to be shared on platforms like Spotify.
Problem
The WAV file is too large and not compatible with most podcast hosting services.
How to Use
Upload the WAV file, select MP3 as the output format, set bitrate to 192 kbps, and check 'Keep Metadata' to retain episode details.
Outcome
A smaller MP3 file that is compatible with podcast platforms and includes all metadata.

2. Optimize Audio for Web Streaming

Background
A web developer needs to prepare audio files for a website to ensure fast loading times.
Problem
Original FLAC files are high quality but large, causing slow page performance.
How to Use
Upload the FLAC file, choose AAC as the output format, set sample rate to 44.1 kHz, and reduce bitrate to 96 kbps.
Outcome
A compressed AAC file that loads quickly on the web while maintaining acceptable audio quality.

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 audio
audio
Copyright-Free OPUS Audio Samples
Next-generation OPUS audio samples with superior compression and quality, featuring nature sounds and meditation music optimized for modern streaming
title token audio
audio
Copyright-Free MP3 Audio Samples
Collection of royalty-free audio samples for testing and development purposes including nature sounds, meditation music, and ambient audio
title token audio
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 audio
audio

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FAQ

What audio formats can I convert to?

You can convert to MP3, AAC, M4A, OGG Vorbis, Opus, and FLAC.

Is there a file size limit for uploads?

Yes, the maximum file size is 125 MB.

Can I preserve the original metadata?

Yes, enable the 'Keep Metadata' option to retain information like title and artist.

What bitrate options are available?

Bitrates range from 96 kbps to 320 kbps, with 192 kbps as the default.

How do I use extra encoder options?

Enter specific arguments in the 'Extra Encoder Options' textarea, such as profile settings for AAC.

API Documentation

Request Endpoint

POST /en/api/tools/audio-encoder-options

Request Parameters

Parameter Name Type Required Description
audioFile file (Upload required) Yes -
outputFormat select No -
bitrate select No -
sampleRate select No -
channels select No -
extraEncoderArgs textarea No -
keepMetadata checkbox No -

File type parameters need to be uploaded first via POST /upload/audio-encoder-options 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-audio-encoder-options": {
      "name": "audio-encoder-options",
      "description": "Expose advanced encoder options for selected format",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-encoder-options",
      "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]