How to Send a Secret Message Through a Picture

Last Updated: April 8, 2020

You want to send a secret message or note to your friend, partner or other, but don't know to how to send that message to them that no one can suspect you. Then this article will guide you how to send that message through a picture that no one can suspect you.

Part 1

Part 1 of 4:
Preparing the Picture

1
Create a folder in your desktop. Here that folder name is Secret. This step is optional but helpful to keep all your files in order. Put the all files you use throughout the process in here.
2
Create a .bmp picture file. To do so, follow these steps. If you already have one, you can skip ahead.
- Open any picture type with any image editor.
- Click on File > Save as.
- Write the file name and choose 24-bit Bitmap (*.bmp,*.dib) or any .bmp type from the "Save as type drop down list.
- Click on Save and exit from the image editor.
- If you don't have any picture file, then open an image editor. Draw any picture and save it in .bmp format.
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Part 2

Part 2 of 4:
Preparing the Message

1
Open Notepad or any text editor. You can open Notepad by clicking on Start > Run. Then type notepad and hit ↵ Enter.
2
Write your secret message.
3
Click on File > Save as.
4
Write a name for this file and save it in .txt format.

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Part 3

Part 3 of 4:
Combining the Picture and Message

1
Open Command Prompt by clicking on Start > Run and typing cmd. Then hit ↵ Enter.
2
Type below code in Command Prompt and hit ↵ Enter.
- copy "<PICTURE FILE PATH>" + "<TEXT FILE PATH>" "<NEW PICTURE PATH>"
- Example:copy "C:\Documents and Settings\Administrator\Desktop\Secret\pic.bmp" + "C:\Documents and Settings\Administrator\Desktop\Secret\note.txt" "C:\Documents and Settings\Administrator\Desktop\Secret\secret.bmp"
3
Check back at your folder. You'll find a new .bmp file named secret.bmp, which is your final image file, which contains your secret message.

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Part 4

Part 4 of 4:
Decoding

1
Open that final image file secret.bmp in Notepad or any text editor.
2
Scroll down to the end and you'll see that secret message.

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Community Q&A

Question

I cannot open the picture in notepad on Windows 10. What should I do?

Community Answer

Try downloading a different program, such as notepad++.
Question

Somehow it doesn't work, I write the code but after I hit enter it just opens the first .bmp file in Photoshop. What am I doing wrong?

Community Answer

Check the file extension. The data format should be .exif instead of .bmp. If you didn't save as .exif, it won't work correctly.