How are you hiding your private and sensitive details? Do you write down them on your notebook or use some cloud service to store them? Ever thought about using your image files to hide text inside them?

This method is called Stenography and it is the art of hiding information in plain sight, and in this tutorial,  we will discuss about how to do it this within few seconds with a help of online tool.

txtninja is an online tool that we can use to hide text inside image files for free, without any hassle. This website is user-friendly so anyone can hide their text inside images within few seconds.

All you have to do is, go to and type or copy-paste the text that you want to encode. Choose an image file that you want to use to hide the text. You can upload any type of image but keep in mind that, the output file will be in PNG format. You can’t change it.

After that, you can also input a password to tighten the security. So without the password, no one can’t decode your image and read what’s inside it. You can keep ‘Use Compression’ on too. Once everything is done, click on that big green button that says ‘GO’ and you can download your encoded image.

How do you decode images? offers a way to extract your text from the image too. All you have to do is visit the following link, upload your encoded image and enter the password that you have used when encoding that image and click on ‘GO’ button. Within few seconds, it will show you the hidden text inside the image that you have uploaded.