Polypane helper
Developer Tools
Open the current page or links in Polypane, the developer tool for responsive web development and design.
- Store users
- 2K
- Ratings
- 5.0/ 5 4 ratings
Firstversionist B.V.
2 listings we've seen · as of 4 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.
Fix Contrast
Accessibility
Fix color contrast issues on websites automatically.
- Store users
- 840
- Ratings
- 2.5/ 5 4 ratings