Languagetool

LanguageTool is an AI grammar, spelling, and style checker supporting 30+ languages. It offers real‑time browser extensions, desktop and Word add‑ins, advanced Picky Mode, paraphrasing, and an API for developer integration.

This AI tool is a free online writing assistant with advanced features to enhance writing skills and prevent plagiarism.

Grammar Checker is a free AI tool that corrects grammar, spelling, and punctuation errors. It also provides suggestions to improve your writing style and polish your text.

GrammarChecker.AI is an online grammar and writing tool that detects grammar, spelling, punctuation, and style issues, offering sentence-level suggestions and AI-based analysis to improve text quality. It also provides formatting helpers, readability scoring, and social-post length recommendations