To use these add-ons, you'll need to download Firefox.

Log in
Add-on icon

Reviews for Dogcheck from Undertale as error pages

Dogcheck from Undertale as error pages by hajduga1974

4.5 Stars out of 5
5
1
4
1
3
0
2
0
1
0
1 review
  • by TheLegendOfSpace, a month ago
    cool, but marks captcha pages as errors which makes some websites appear inaccessible when they aren't