Custom CSS rules Alternatives
Safer and better-maintained options, ranked by Nerq Trust Score. Updated 2026-07-29.
Custom CSS rules has a Nerq Trust Score of 50 (C-). A Firefox extension to inject custom CSS into any website.
| # | Name | Trust | Grade | Stars | Key Difference |
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FAQ
What are the best alternatives to Custom CSS rules?
The top alternatives based on Nerq Trust Score are listed above, all independently evaluated for security and reliability.
Is it safe to switch from Custom CSS rules?
Check each alternative's safety report by clicking its name. Trust scores above 70 indicate strong reliability.
How does Nerq rank Custom CSS rules alternatives?
Alternatives are ranked by Trust Score v2, combining security, maintenance, documentation, and community signals.