PhotoWispher

PhotoWhisper is an on-device steganography app: encrypt text, embed it in image pixels, and extract it later from a lossless PNG with the same password. Attach how you feel to a single photo—a travel reflection, anniversary note, or a line meant only for yourself. The words live in the pixels; others won’t easily notice, and only someone with the password can read them. FEATURES • Encode: pick a photo, enter text and a password, generate a stego image • Mood & reflections: save thoughts tied to that specific photo • Decode: open a PhotoTalk PNG, enter the password, reveal and copy the text • Local crypto: password-based key derivation + AES-GCM • Lossless export: save PNG to Photos—avoid JPEG, which destroys the payload • Chinese / English UI PRIVACY • No sign-in • No data collection; no analytics or ads SDKs • Photos, text, and passwords never leave your device to our servers TIPS •…