According to AlphaMoat, as of 2026-09, the Chrome extension SpellFast AI has 39 users (+11.4% MoM), rated 5 (2 reviews) — ranked #5,946 of 9,324 AI browser extensions, and #442 of 744 in Writing.
What is SpellFast AI
SpellFast AI Grammer Checking Unlike traditional extensions that clutter your screen with underlines, SpellFast AI streamlines everything into one seamless action.
INSTANT CORRECTIONS: Just press CTRL + SHIFT + I and watch your text transform instantly
HANDS-FREE MODE: Use voice commands for a completely keyboard-free experience
UNIVERSAL COMPATIBILITY: Works flawlessly on any website - from emails to social media
MULTILINGUAL SUPPORT: Perfect your writing in any language
DISTRACTION-FREE: No annoying underlines or pop-ups - corrections appear only when you want them
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PRIVACY-FOCUSED: Your data stays yours - we never collect or store your writing
WHAT MAKES US DIFFERENT: While other extensions interrupt your flow with constant highlighting and suggestions, SpellFast AI waits for your command. One shortcut, instant results - it's that simple.
Customize your experience with easy-to-use settings and make perfect writing effortless.
Start writing faster and smarter today with SpellFast AI - the grammar assistant that respects your flow.
Privacy policy: https://spellfast.ai/privacy-policy
Extension profile
User Growth Trend
Popular in Writing
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.