Online Audio Joiner

Merge any audio files online and free easily.

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Import failed. If you need to continue merging audio, please delete the failed file before merging.

Click to select/deselect audio fade in. Click to select/deselect audio fade in and out. Click to select/deselect audio fade out.

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End time {{ fomartTime(item.region && item.region[1]) }}

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How to Merge Audio Files Online

Select Audio Files

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

Combine Files

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

Save the Merged Files

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

Why Choose Online UniConverter Audio Merger

MP3 Cutter and Joiner

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

Merge MP3 Online

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

Unlimited Tracks

Add multiple files as you need in seconds.

Any Format Supported

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

Crossfade

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

Privacy Protection

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

Plans for Combing Audio Files Online

Free Registered Plan

Merge 10 Audio Files

Maximum Size: 100MB / Each

Normal Speed

Premium Plan

Unlimited Files

Maximum Size: 500MB / Each

10x Faster Speed

From $2.95 / Month

Desktop Plan

Unlimited Files

Unlimited Size

30x Faster Speed

Free Download Free Download

FAQ about Combing Audio Files Online

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.