Hide a Message in a Photo
Slip a secret note inside an everyday photo so it looks completely ordinary — then share it knowing only the right person can read it.
Drop an image to hide a message in
Drag & drop, paste, or pick a file
PNG · JPG · WebP — processed on your device
A note hidden in plain sight
Hiding a message in a photo is one of the oldest tricks in secret communication, brought up to date. You drop in a normal picture — a sunset, a pet, a screenshot — type your note, and the tool tucks the words invisibly into the image. Sent to a friend, it looks like you just shared a photo.
The change is far too small to notice: only the lowest bit of each colour is touched. With a password, the note is encrypted as well as hidden, so it stays a secret even if someone goes looking for it.
How to hide a message in a photo
- Choose a photo. Drag, choose, or paste the picture you want to use as the cover.
- Write your note. Type the message and, if you want, a password to encrypt it. The capacity meter shows how much fits.
- Hide and share. Click Hide message, download the PNG, and share that file with the person who should read it.
Share the file, not a screenshot
Send the downloaded PNG as a file attachment, not a screenshot or an in-chat preview. Screenshots and auto-compression re-encode the image and wipe out the hidden message, so the recipient would find nothing.
More steganography tools
Frequently asked questions
Will my friend see that the photo has a message?
No. The photo looks completely normal. Only by running it through the Extract tab (with the password, if any) can the message be revealed.
Do both people need an account?
No accounts at all. You hide the message and send the PNG; the recipient opens this tool's Extract tab to read it.
Can I hide a long message?
Yes, within the image's capacity — about one character per three pixels. The meter shows the limit; pick a larger photo for a longer note.
Where is my image processed?
The hiding and extracting happen in your browser, so the new file is created on your own device. How any data associated with the tool is handled is described in our privacy policy.
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