Overlap Audio Files
Overlap two audio files so they play at the same time. Layer music, voiceovers, and sound effects together. Free, private, browser-based audio overlapper.
Overlapping audio files means playing two or more tracks at the same time in a single file — background music under narration, ambience under dialogue, stacked vocal takes. EditClips.online overlaps audio directly in your browser: add the files, balance each track's volume and timing, click Process, and download the mixed result as MP3, WAV, AAC, FLAC, or OGG. Nothing uploads to a server, and no sign-up is needed.
Drop files here or click to browse
Max 100 MB per file · drop multiple for batch
or press Ctrl+V to paste
100% private — files never leave your device
·Free — no sign up, no watermark
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How to Use Overlap Audio Files
- Upload the first audio track (e.g. vocals or main audio)
- Upload the second audio track (e.g. background music or sound effects)
- Click Process to mix both tracks together
- Download the mixed audio file
Features
- Mix two audio tracks to play at the same time
- Perfect for background music, sound effects, or layering
- Supports MP3, WAV, AAC, FLAC, and OGG
- Free and private — no server upload
Frequently Asked Questions
- How do I overlap two audio files?
- Upload both audio files and click Process. The tool mixes them together so both tracks play simultaneously.
- What's the difference between joining and overlapping?
- Joining (combine) plays files one after another. Overlapping (mix) plays them at the same time, layering the sounds together.