Here are the best free online audio joiners to merge audio files online.
These tools will help you combine multiple audio clips and MP3s together into one single audio file. With these tools merging audio files online is a quick and easy process.

Related: 20 Free Online Audio Editors to Edit Audio Online
Free Online Audio Joiners
Click the images below to visit each website.
- 123APPS Audio Joiner
- Clideo Audio Merger
- MP3 Cutter Audio Joiner
- Audio Joiner Online
- MP3 Cutter & Joiner
- Happy Scribe
- Media IO Online Audio Joiner
- Bear MP3 Merger
- Audio Editor
- AConvert
- Inettools Merge MP3s Online
- Merge or Join MP3 Audio Files
- Audio Joiner
1. 123APPS Audio Joiner

This audio joiner tool can combine multiple audio tracks with this free online tool. Crossfade all popular audio formats.
- Merging audio is easy
- Merge Songs Online
- Crossfade Tracks
- Supports hundreds of file formats
- Combine songs online
2. Clideo Audio Merger

The Clideo online audio merger allows you to join MP3, WAV, OGG, and other files into one audio file. The app is compatible with Mac, PC, Android, and iPhone.
Use the audio merger to quickly combine your music and audio clips.
- Upload multiple audio files at once.
- Combine Audio Fast
- Easy-to-Use Interface
- Works with Most Audio Formats
- Secure
3. MP3 Cutter Audio Joiner

The MP3 Cutter is a free online audio joiner to merge & combine multiple audio clips into one audio file.
It requires no software installation or registration, it’s free and easy to use.
- Upload multiple file formats.
- Supported formats: MP3, WAV, FLAC, OGG, WMA, M4A, AMR, AAC, AIFF, CAF, AC3, APE, 3GPP, M4R
- Crossfade
- Convert Audio
4. Audio Joiner Online

This app combines multiple audio tracks into one. Its crossfade feature makes it easy to merge songs seamlessly and smoothly.
Use the sliders to select fragments, then save your files.
Multi-track audio can be combined into one. Select the audio files you want to combine audio online.
- Very easy to use.
- Cut & Trim Audio
5. MP3 Cutter & Joiner

MP3food is a free online application designed to join multiple audio tracks into one.
Cross-fade mixing can be applied to unlimited tracks and supports multiple formats
- Merge MP3 files online
- Supports most audio formats
- User-friendly interface
6. Happy Scribe

Happy Scribe is a free online audio joiner tool that lets you merge audio files. No signup is required.
- Supported audio formats: MP3, WAV, OGG
- The sample rate is 44.1kHz
7. Media IO Online Audio Joiner

The UniConverter allows you to merge songs online with crossfades in a few clicks.
Freely merge any audio file online.
- Merge MP3 Files Online
- Easily add more than one file at a time.
- Crossfade Audio
- Supports: MP3, WAV, FLAC, OGG, WMA, M4A, M4R
8. Bear MP3 Merger

The Bear File Converter combines several MP3 files together.
Upload multiple audio files at a time.
9. Audio Editor

Create your own compositions for free of charge by combining many MP3s and audio tracks. This audio merger supports almost all audio formats and can crossfade.
- Crossfade Audio Files
- Merge unlimited tracks
- Supports most audio formats
10. AConvert

AConvert is an online audio merger program. You can combine as many audio files as you like into one single audio file online easily and quickly.
Supports: WAV, WMA, MP3, OGG, AAC, AU, FLAC, M4A, MKA, AIFF
11. Inettools Merge MP3s Online

Easily combine mp3 files online in one track with this free tool.
12. Merge or Join MP3 Audio Files

This MP3 Merger or audio joiner is a free online tool that lets you join all of your audio files into one MP3 file.
- Unlimited Mp3 Files
- No Software Needed
- Easy Merging
13. Audio Joiner

This free online audio combiner allows you to join several audio files into one file.
- Unlimited tracks
- Crossfade
- Supports 300 file formats
FAQs
What is An Online Audio Joiner?
An online audio joiner is an online program that combines multiple audio recordings into a single file. They are commonly used to make a podcast out of a collection of interviews or talks.
What Are the Benefits of Using Online Audio Joiners?
Online audio joiners provide a way to combine multiple audio files into one file. This is useful for people who need to share certain parts of a recording or people who want to make an audiobook.
How Do I Merge Audio Files?
Merging audio files is simple and can be done fast online.
- Visit Audio-Joiner.com
- Click the green add tracks button.
- Select multiple files on your computer.
- If you want to trim the audio, adjust the sliders on each audio file.
- Select the format you want, and click the join button.
- Click the download button once the audio has been processed.
We hope you find these free online audio joiners helpful.
Hopefully, these free tools will save you time and money by not needing to download software.