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Online Audio Joiner

There’s no need for complicated software to join multiple audio files together, just use Async’s audio joiner online.

Audio Joiner for MP3s

Got multiple MP3s you need to combine together? It takes no time at all with Async. Simply select the files you want to join together, upload them to our audio editor and join them however you want. You can also trim, loop, speed up, slow down and fade out different MP3s to create an audio masterpiece.

We support virtually all popular audio file formats including MP3, so you can join together different file formats into one playable file. Upload, combine, download and enjoy your audio content.

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How to join audio files?

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Free Audio Joiner

There’s unlimited audio editing in our free plan, so you can upload your files and try out combining them with no commitments.

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AI-powered audio editing

Our AI-powered editing features, available in our premium tiers, allow you to create a consistent quality across different audio files.

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Drag and drop

No time-consuming or complicated software, just a simple easy-to-use audio editor that’s used by hobbyists, pros and everyone in between.

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Frequently Asked Questions

What does joining audio files mean?

Joining audio files means combining two or more separate audio recordings into a single continuous audio file. This process is often used to create a seamless listening experience, such as when assembling various segments of a podcast, merging multiple takes of a song, or compiling different clips into one track for presentations or storytelling.

What’s the quickest way to join two audio files together?

The quickest way to join two audio files together is by using Async. Open Async, then import the two audio files you want to combine. Drag and drop the files onto the timeline, positioning them in the desired order. Async's intuitive interface makes it easy to align and join the files seamlessly. Once arranged, simply export the combined audio as a single file. This streamlined process in Async ensures that you can quickly and efficiently merge your audio files with minimal effort.

Can you combine audio files of different formats?

Yes, you can combine audio files of different formats using Async. Async allows you to import various audio file formats and seamlessly join them together. Simply log in to your Async account, import the audio files regardless of their formats, and arrange them on the timeline in the desired order. The app will handle the necessary conversions and alignments, ensuring a smooth merging process. Once you have arranged the files, export the combined audio as a single file in your preferred format, making Async a versatile and efficient tool for audio editing.

How to change the volume of an MP3 file?

To change the volume of an MP3 file, you can use audio editing software like Async. Visit the Async website and upload your MP3 file directly. Once uploaded, use the volume adjustment tools provided by Async to increase or decrease the audio volume as needed. Preview the changes to ensure the desired volume level, then save or download the adjusted MP3 file. Async's web platform offers a user-friendly interface and essential editing tools, making it convenient to modify audio files quickly and effectively online.

What is the best audio joiner and cutter software?

When it comes to audio joiner and cutter software, there are several options depending on your specific needs and platform preferences including Audacity, a popular free and open-source audio editing software; Adobe Audition a professional audio editing software and Async which allows for easy editing, joining, and cutting of audio files.
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