How to use this app? Simple get the link to the image you want to convert to ASCII. Copy that link. Open the app and insert that link you copied when prompted for it. Hit enter and viola!
Lets say I want to convert a meme. https://cdn.netzpolitik.org/wp-upload/one-does-not-meme.jpg
Like this one.
I recommend to pick the white color scheme like shown, for better results.
Step one. Open. You are asked to enter the link to the image.