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Audio Joiner

Add several audio clips, arrange their order, and join them into one continuous track exported as WAV. Decoding and merging happen locally with the Web Audio API.

Files never leave your browser

Drop audio files here or click to choose

They’re merged in order, entirely in your browser.

How to use Audio Joiner

Merge multiple audio files into one online. Combine MP3, WAV, and more into a single track, then download as WAV. Free, private, in your browser.

  1. Open Audio Joiner using the tool above — no sign-up needed
  2. Enter your data or upload a file (processed entirely in your browser)
  3. Click the action button and get your result instantly
  4. Copy to clipboard or download your result

Your data never leaves your device — 100% private processing.

Frequently Asked Questions

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Why use Audio Joiner?

  • Powered by FFmpeg running directly in the browser — no upload needed
  • Supports all major video and audio formats
  • Lossless and lossy options for quality control
  • Export results immediately without waiting for cloud processing

Common use cases

  • Compress a video before uploading to Google Drive
  • Extract audio from a video lecture for easy listening
  • Trim a video clip for a social media reel
  • Convert MOV files to MP4 for cross-platform compatibility
  • Merge two audio tracks for a podcast episode

Related Audio & Video

Explore all Audio & Video.