MP3 Joiner for Creating Continuous Multi-Track Compilations
Combine multiple songs, podcasts, or recordings into a single file with our MP3 joiner. Experience a cloud-powered workflow that preserves your original audio quality while delivering professional results directly in your browser.

Over 1 million creators use Flixier every day including brands like:
Create Continuous Audio Sequences with Precision
Cut and Merge Tracks
Simplify your editing process by utilizing a unified interface to both trim and combine your assets. Our MP3 joiner allows you to remove unwanted segments from individual tracks before merging them into a final sequence.
Preserve Audio Quality
Maintain the acoustic integrity of your source material with our high-fidelity processing engine. Our free online MP3 joiner is designed to process audio without introducing compression artifacts or frequency loss.
Apply Professional Crossfading
Eliminate jarring silences or abrupt jumps between joined tracks by adding crossfading between clips in Flixier for a continuous listening experience. You can fade out of one audio and into the other to create smooth volume transitions.
Centralize Your MP3 Files
Keep your workspace organized by managing all your audio clips within our cloud-based library. Our MP3 joiner allows you to store and access your files from any device, making it easy to pick up where you left off without managing fragmented files.
How to Use Flixier’s Online MP3 Joiner
Who this is for

Marketers
Streamline your production workflow by combining voiceovers and brand memos into a single professional file. Flixier allows you to combine promotional snippets, ensuring your audio brand identity remains consistent across all touchpoints.
See How It WorksEducators

Podcasters

Social Creators

Unlike any tool
you've used before
I have over 11 years in the broadcast industry, building teleproductive facilities, using high-end editing equipment. And this is better than anything else I've used in my lifetime.

Need more than combining MP3 files?

Edit easily
With Flixier you can trim videos or add text, music, motion graphics, images and so much more.

Publish in minutes
Flixier is powered by the cloud so you can edit and publish your videos at blazing speed on any device.

Collaborate in real-time
Easily collaborate on your projects with Flixier, we offer real-time feedback and sharing of projects.
Still have questions?
We got you!
How can I join MP3 files online?
Upload your tracks to Flixier’s cloud-based editor and place them side-by-side on the editing timeline. You can then drag the clips into your preferred order and click export to merge them into a single file.
How can I merge songs online for free?
You can merge songs by using the Flixier free tier to arrange and combine your favorite audio tracks. Our interface allows you to add transitions like crossfades between songs to ensure the music flows naturally.
What is the best MP3 joiner online?
Flixier is one of the best online MP3 joiners because it combines a simple drag-and-drop interface with advanced features like multi-track editing and cloudrendering. Our unified timeline allows you to cut and trim your audio while merging, giving you complete control over the final sound.
Can I join audio files of different formats?
Yes. Flixier also supports WAV, AAC, and OGG files. You can upload different formats into the same project, and the editor will unify them into a single output format of your choice, ensuring complete compatibility across all playback devices.
Will merging audio files reduce the sound quality?
No. When you join MP3 files with Flixier, the final export maintains high-fidelity sound, ensuring that your music or podcasts remain crisp and professional without unwanted compression.
Can I add crossfades between tracks?
Absolutely. To create a smooth transition, simply apply a fade out effect at the end of your first clip and a fade in at the beginning of the second. This creates a crossfade effect without the jarring silence or sudden jumps common in lower-quality joining tools.

