Tips - Great free ways to read pdf files on your computer

Using firefox extensions

• https://addons.mozilla.org/en-US/firefox/addon/doqment/

using development tools

(note: i’ve only tried this option using firefox)

1. Press F12
2. Go to console
3. Write : “Allow pasting”
4. and then copy and paste the following javascript code

document.getElementById('viewerContainer').style.filter = 'invert(0.95)';