# Grammarly

> The most widely used grammar and spelling checker, with real-time corrections via browser extensions across nearly every writing surface.

Source: https://selfpublishingdirectory.com/writing-tools/grammarly
Website: https://www.grammarly.com
Category: Writing Tools (https://selfpublishingdirectory.com/writing-tools)
Pricing: freemium — $0–$360
AI-powered: yes
Tags: grammar-checker, browser-extension, real-time, proofreading, spelling, popular
Last verified: 2026-05-07
Best For: General writing and a fast typo-and-mechanics pass after a fiction-aware tool
Collaboration: no
Platform: web, mac, windows, ios, android, chrome-extension
Tool Type: grammar-checker

Grammarly is the default grammar checker for most writers thanks to its ubiquitous browser extension and instant real-time underlining in Gmail, Google Docs, WordPress, and almost everywhere else. It excels at mechanical errors but is built for business and academic writing, not fiction.

- **Best for:** Catching typos, comma splices, and subject-verb errors as a final pass — not as a fiction author's primary self-editor
- **Key features:** Real-time corrections everywhere, tone detector, full-sentence rewrites, plagiarism check (Pro), Grammarly Go AI prompts (100/mo on free)
- **Pricing:** Free tier (basic + 100 AI prompts/mo); Pro $12/mo billed annually ($144/yr) or $30/mo monthly
- **Limitations for fiction:** Flags intentional fragments, "And/But" sentence starts, and stylistic repetition; no manuscript-level reports; 50,000-word daily limit; community consensus is it "flattens author voice"
- **Privacy note:** Training data is on by default for Free/Pro individual accounts — opt out manually in Privacy settings if you don't want your prose used to improve models