✍️ Best Grammar & Writing Extensions, Ranked by Safety

We score every grammar & writing extension on publisher identity, permissions & access, data privacy, maintenance & ownership and community reputation. Every rank is backed by documented evidence — see our methodology.

Grammarly: AI Writing Assistant and Grammar Checker App leads with a safety grade of B (72.2/100). Each rank below reflects documented evidence only — not popularity or marketing.

1. #1 Grammarly: AI Writing Assistant and Grammar Checker App 72.2/100 B
2. #2 Grammarly: AI Writing and Grammar Checker App 62.7/100 B