Merge Audio Files Online - Combine MP3, WAV Free
Last updated: 2026-03-10
You recorded a podcast in 3 segments and need one continuous file. Merging should be drag, drop, done.
How It Works
- Upload files (any format)
- Reorder by dragging
- Set crossfade (0-5 seconds)
- Choose output format
- Merge and download
Crossfade Options
| Duration | Effect | Best For |
|---|---|---|
| 0 sec | Hard cut | Podcasts, audiobooks |
| 1-2 sec | Smooth transition | Music playlists |
| 3-5 sec | Long fade | Ambient, meditation |
Tips
- Same format files merge fastest
- Mixed formats get re-encoded to your chosen output
- Match bitrate to avoid unnecessary re-encoding
Merge audio files - free, with crossfade.
Open Audio Merger →Related Tools
According to MDN, Web Audio API enables browser-based audio processing.
As Library of Congress, WAV is preferred for lossless archival.