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Audio Splicer

Splice multiple audio files into one single audio file with customizable output format

Click to upload files or drag and drop files here

Maximum file size: 10MB Maximum files: 5
Supported formats: audio/mpeg, audio/wav, audio/flac, audio/aac, audio/ogg, audio/mp4, audio/x-m4a

Key Facts

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

Overview

Audio Splicer is a streamlined utility designed to merge multiple audio files into a single, continuous track. It supports various popular formats and allows for seamless transitions between clips with optional crossfade settings.

When to Use

  • •Combining multiple voice memo segments into a single recording.
  • •Stitching together individual music tracks for a continuous mix.
  • •Merging separate audio chapters into one cohesive audiobook file.

How It Works

  • •Upload your audio files in the preferred order.
  • •Select your desired output format from the available options.
  • •Choose a crossfade duration if you want smooth transitions between clips.
  • •Process the files to download your newly merged audio.

Use Cases

Creating seamless podcast episodes from multiple recorded segments.
Merging short sound effects into a single audio library file.
Combining lecture recordings into one master file for easier playback.

Examples

1. Merging Podcast Segments

Podcast Producer
Background
The producer has recorded an intro, an interview, and an outro as three separate audio files.
Problem
The listener needs to play the files sequentially without manual intervention.
How to Use
Upload the three files in order, select MP3 as the output format, and set a 1-second crossfade for a professional transition.
Example Config
outputFormat: mp3, crossfadeDuration: 1
Outcome
A single, continuous MP3 file containing the full podcast episode with smooth transitions.

2. Creating a Continuous Music Mix

DJ
Background
A DJ wants to combine several short tracks into a single set for a demo.
Problem
Abrupt cuts between songs ruin the flow of the mix.
How to Use
Upload the tracks, select the WAV format for high quality, and apply a 3-second crossfade.
Example Config
outputFormat: wav, crossfadeDuration: 3
Outcome
A high-quality WAV file where tracks blend into each other seamlessly.

Try with Samples

audio, video, 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 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
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 audio
audio

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FAQ

What audio formats are supported?

The tool supports MP3, WAV, FLAC, AAC, OGG, and M4A formats.

Is there a limit to the number of files I can merge?

You can upload up to 5 audio files at a time for a single merge operation.

What does the crossfade feature do?

Crossfade overlaps the end of one track with the beginning of the next to eliminate abrupt silence or jumps.

Is there a file size limit?

Yes, the total size for the uploaded files must not exceed 10MB.

Can I change the output format?

Yes, you can select your preferred output format from the dropdown menu before processing.

API Documentation

Request Endpoint

POST /en/api/tools/audio-splicer

Request Parameters

Parameter Name Type Required Description
audioFiles file (Upload required) Yes -
outputFormat select Yes -
crossfadeDuration select No -

File type parameters need to be uploaded first via POST /upload/audio-splicer 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-splicer": {
      "name": "audio-splicer",
      "description": "Splice multiple audio files into one single audio file with customizable output format",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-splicer",
      "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]