Combine Audio Files Online
Join multiple audio clips into a single track — free and instant. Defyaudio's combine tool processes everything locally in your browser, so your files stay private. Combine MP3 files, WAV, FLAC, OGG and more in just a few clicks.
How to Combine Audio Files
Combining audio clips with Defyaudio takes less than a minute. Here is how to do it step by step.
- 1
Open the combine tool
Navigate to the Defyaudio homepage and select the Audio Joiner from the toolbar.
- 2
Upload your audio clips
Click to browse or drag and drop your files. You can combine audio clips in MP3, WAV, FLAC, OGG, M4A, and AAC — with no limit on the number of files.
- 3
Arrange the order
Drag your clips into the playback sequence you want. The combined file will follow this exact order.
- 4
Choose a transition
Add a crossfade for a smooth blend between clips, or insert a silence gap to create a natural pause.
- 5
Combine and download
Hit Combine. Your file is processed in your browser and downloads instantly — no data ever leaves your device.
How to Combine MP3 Files and Other Formats
Wondering how to combine MP3 files without losing quality? Defyaudio preserves the original audio fidelity and lets you mix formats freely in the same session.
Unlimited audio clips
Combine audio clips of any length — from short sound effects to full album tracks — with no file count limit.
Smooth crossfades
Set a crossfade duration to transition seamlessly between clips when combining MP3 files or other formats.
Silence gaps
Insert custom pauses between clips — useful for podcasts, presentations, or audiobook chapters.
Cross-format combining
Combine MP3, WAV, FLAC, OGG, M4A and AAC clips in any combination and export to your preferred format.
Why Use Defyaudio to Combine Audio Files Online?
Unlike most tools that send your audio to a remote server, Defyaudio combines audio files entirely in your browser — giving you fast results and complete privacy.