Whisper
Hide messages inside sound
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How it works: Pick a sound, write your secret message, then download or share. The audio sounds completely normal β€” your message is hidden inside the data, undetectable by ear.
1 Choose a cover sound
🌿 Nature
🌧️
Rain & Storm
Heavy rain, rolling thunder
🌲
Forest Dawn
Birds, rustling leaves, wind
🌊
Ocean Waves
Shore break, sea breeze
πŸ”₯
Campfire
Crackling wood, warm embers
🎡 Music
πŸ“»
Lo-fi Hip Hop
Vinyl crackle, warm chords
🎷
Late Night Jazz
Piano, bass, brushed snare
🌌
Deep Ambient
Slow pads, evolving drones
〰️
White Noise
Smooth broadband static
πŸ“ Your Own Sound
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Upload Your Own Sound
MP3, WAV, OGG, M4A β€” any audio file
2 Type your secret message
0 / 500 characters
3 Passcode (optional)
Leave blank
for no lock
4 Encode & share
Audio sounds exactly like the cover sound chosen.
Your message is undetectable by ear.
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How it works: Upload a .wav made with Whisper, or open a share link. Play it to hear normal audio β€” then Reveal to extract the hidden message and hear it spoken aloud.
1 Upload the .wav file
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Drop your .wav file here
or click to browse