Hide a secret message inside an audio file using digital audio watermarking. Upload a WAV audio file as the carrier. Type or upload a secret message to hide within the audio. Choose a watermark algorithm from the dropdown — each algorithm balances audio quality, data capacity, and resistance to compression or signal processing. A password adds protection against unauthorised extraction. Click Embed to process. The watermarked audio file will be available for download along with a quality report. ⚠️ Important: Download your results before navigating away. Use the Download button to save the watermarked audio or a report in PDF, DOCX, JSON, CSV, TXT, XML, or HTML format. Results are session-only and will be lost on exit.

Reveal a hidden message from a watermarked audio file. Upload the watermarked audio file using the file selector. Choose the same algorithm that was used during embedding. If a password was set, enter it now. Click Extract to retrieve the hidden message. The extracted data appears in the results area. ⚠️ Important: Download your results before leaving the page. Use the Download button to save in PDF, DOCX, JSON, CSV, TXT, XML, or HTML format.