Combining Audio Files Online
Defyaudio makes combining audio straightforward — upload your tracks, set the order, and join them into a single file in seconds. Everything runs locally in your browser, so your audio stays completely private. Supports MP3, WAV, FLAC, OGG, and more.
How Combining Audio Files Works
Combining audio with Defyaudio takes less than a minute. Here is a step-by-step walkthrough.
- 1
Open the combining tool
Go to the Defyaudio homepage and select the Audio Joiner tool from the toolbar.
- 2
Add your audio files
Upload the clips you want to combine — drag and drop or click to browse. There is no limit on how many files you can add.
- 3
Arrange the sequence
Drag your files into the order you want. The combined audio will play in this exact sequence.
- 4
Choose transitions
Set a crossfade duration for smooth blending between clips, or insert silence gaps to separate sections naturally.
- 5
Combine and download
Click Combine. The combining process runs entirely in your browser — your file downloads as soon as it is ready.
Combining Audio — What You Can Do
Whether you are combining two tracks or an entire playlist, Defyaudio gives you the controls to get a professional result.
Unlimited files
Combining audio files of any length with no cap on the number of clips per session.
Crossfade blending
Smooth the joins between clips when combining audio by dialling in a custom crossfade duration.
Silence gaps
Insert pauses of any length between tracks — ideal for podcast chapters or audiobook sections.
Mixed formats
Combine MP3, WAV, FLAC, OGG, M4A and AAC files in any combination and export to a single format.
Why Use Defyaudio for Combining Audio Files?
Most combining tools send your audio to a remote server. Defyaudio processes everything locally — your files never leave your device.