Online Audio Joiner

Merge any audio files online and free easily.

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How to Merge Audio Files Online

Upload the audio files you want to merge by clicking the Choose Files button or drag and drop them directly.

You can drag and drop your files to order them as you desire and crossfade songs feature is preset.

Preview your merges files and save it if you are satisfied.

Why Choose Online UniConverter Audio Merger

Cutting or splitting an MP3 audio file and joining multiple different files together.

Combine MP3 and other audio totally online without any other tool installed.

Add multiple files as you need in seconds.

The song combiner supports all the popular audio formats like MP3, WAV, FLAC, OGG, WMA, M4A, M4R and others.

Create songs with fade in and out effects and 100% original quality.

Online UniConverter deleted the uploaded files from our servers after 24 hours automatically.

Free Registered Plan

Merge 10 Audio Files

Maximum Size: 100MB / Each

Normal Speed

Premium Plan

Unlimited Files

Maximum Size: 500MB / Each

10x Faster Speed

Desktop Plan

Unlimited Files

Unlimited Size

30x Faster Speed

What audio formats are accepted by online UniConverter?

All the popular audio format like MP3, WAV, WMA, OGG, M4R, 3GP, AAC, FLAC, AIFF, APE, etc. are supported.
What is the maximum audio size I can upload?

For premium user: 500MB with unlimited files.
For free registered user: 100MB with 10 audio files.
For non-registered user: 100MB with 5 audio files.
How do I combine songs into one track?

You can combine songs into one track in 2 easy steps.
Step 1. Upload your audio files, drag and drop the files to order them.
Step 2. Preview the merged effect and click on the Join button to merge them if you are satisfied with the result.
Can I trim my audio file before combing?

Yes. You can. Online UniConverter allows you tocut your audio file before combing.