Use our free Merge Audio to combine multiple audio files into one. All calculations and processing are performed directly in your browser for maximum privacy and speed. No data is sent to any server, and no information is stored or logged. No account or signup required — just open the tool and get started instantly.
Yes, Merge Audio is completely free to use. There are no hidden charges, no premium tiers, and no usage limits. Use it as many times as you need.
Yes. All processing happens directly in your browser using JavaScript. No data is uploaded to any server, no files leave your device, and nothing is stored or logged.
The tool works with common audio formats that your browser supports, including MP3, WAV, OGG, and WebM audio. Format availability depends on your browser.
No, absolutely not. No account, no email, no signup of any kind is required. Just open the tool and start using it immediately. We believe tools should be accessible to everyone without barriers.
Merge Audio uses advanced browser APIs and JavaScript libraries to process your files entirely on your device. Your files are never uploaded to any server. The processing happens in real-time using your browser's built-in capabilities, ensuring both speed and privacy.