Merge Audio Files Online β€” Fast, Free & Private

Combine multiple MP3, WAV and supported audio files directly in your browser. No upload, no registration, and no server required.

100% Browser Based No Upload Free to Use Privacy Friendly
🎧 Audio Merger

Drop your audio files here

or click to browse from your device

Choose Audio Files

Your files stay on your device and are processed locally in your browser.

No tracks added yet. Upload audio files to get started.

βœ… Your merged audio is ready!

How It Works

Three simple steps to merge your audio files β€” all in your browser.

1

Add Files

Select or drag multiple audio files from your device. MP3, WAV, OGG and more.

2

Arrange & Customize

Reorder tracks, add gaps between songs, or enable crossfade for smooth transitions.

3

Merge & Download

Process locally and download your finished audio file β€” no server involved.

Features

Everything you need to merge audio files with ease.

πŸ“ Multiple File Support
πŸ–± Drag & Drop
↕ Track Reordering
πŸ”Š Audio Preview
πŸ–₯ Local Processing
🌊 Crossfade
⏸ Custom Gaps
πŸ“Š Progress Indicator
πŸ“± Mobile Friendly
🚫 No Registration
πŸ”’ No Upload
⚑ Fast Processing

Your Audio Stays on Your Device

The website does not upload audio files to a server. Audio processing happens locally inside the browser using the Web Audio API. Your files never leave your computer or phone.

Browser support for audio codecs varies by device and operating system.

Audio Merger Online β€” Merge MP3 and Audio Files Easily

An audio merger is a tool that lets you combine multiple audio files into a single track. Whether you're creating a mixtape, combining podcast episodes, or stitching together sound effects, merging audio files is a common need for musicians, podcasters, and content creators.

How Audio Merging Works

Audio merging takes several audio files and concatenates them end-to-end. With our MP3 merger, you can upload files in various formats, arrange them in your preferred order, and export the result as a single audio file. The process is entirely client-side, meaning your files are never uploaded to any server.

How to Combine MP3 Files

To merge MP3 files using this tool, simply drag and drop your MP3s into the upload area, arrange them in the queue, and click "Merge Audio Files." The tool uses the Web Audio API to decode and combine the audio tracks, outputting a WAV file that preserves the original quality.

How to Merge WAV Files

Merging WAV files works the same way as MP3s. WAV files are lossless and widely supported by browsers, making them an ideal format for high-quality audio projects. The tool preserves the sample rate and bit depth of your original files where possible.

Benefits of Browser-Based Audio Processing

  • Privacy: No audio data is ever transmitted over the network.
  • Speed: Local processing is fast and doesn't depend on server load.
  • Free: No subscriptions, no hidden fees, no registration.
  • Accessibility: Works on any device with a modern browser.

How to Reorder Audio Tracks

Once you've added files to the queue, you can reorder audio tracks using drag and drop or the up/down buttons next to each track. This gives you full control over the final sequence of your merged audio.

How to Add Silence Between Tracks

Use the "Gap Between Tracks" slider to insert silence between each song or segment. This is useful for creating natural pauses between tracks in a mixtape or podcast.

Crossfade Basics

Crossfade is a technique where the end of one track smoothly overlaps with the beginning of the next. This creates a seamless listening experience, perfect for DJ mixes and continuous playlists. Enable crossfade in the settings and adjust the duration to your preference.

Supported Browser Limitations

While this tool supports MP3, WAV, OGG, and other common formats, browser support for audio codecs varies. For the widest compatibility, use MP3 or WAV files. Some browsers may not support AAC or M4A playback.

Frequently Asked Questions

For more details, check out the FAQ section below. We've answered common questions about file formats, privacy, and functionality.

Frequently Asked Questions