Focus Mask
Paste your reading material and turn on the mask. It works like a reading ruler: move it with your mouse or finger, or with the ↑ ↓ arrow keys. Press Esc to turn it off.
Paste your reading material and turn on the mask. It works like a reading ruler: move it with your mouse or finger, or with the ↑ ↓ arrow keys. Press Esc to turn it off.