Best Free Grammar checker AI tools

IELTSWriting.ai is an AI essay checker providing i...

IELTSWriting.ai is an AI essay checker providing instant IELTS-aligned band scores (Task Achievement, Coherence, Lexical Resource, Grammar), line-by-line error highlights, examiner-style feedback, rewrite prompts, personalized study plans, CEFR checks, diagnostics, and task templates.

Revise is an AI editor for proofreading, grammar a...

Revise is an AI editor for proofreading, grammar and style refinement that preserves author voice, offers customizable style rules and edit intensity, model choices, tracked accept/reject edits, in-document chat, speech-to-text, and team versioning.

AIGrammarChecker is a free AI-powered tool that in...

AIGrammarChecker is a free AI-powered tool that instantly corrects grammar, spelling, and punctuation errors. It analyzes text structure and context to improve writing clarity and supports multiple languages via text input or file uploads.

Grammar Checker is a free AI tool that corrects gr...

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.

Check Typo is an AI‑powered spell‑checker extensio...

Check Typo is an AI‑powered spell‑checker extension that integrates into web forms, Gmail, LinkedIn, and social media drafts, supporting 100+ languages and preserving tone while providing real‑time corrections for students, professionals, and writers.

Gramara is an AI grammar checker that flags errors...

Gramara is an AI grammar checker that flags errors and awkward phrasing in real‑time, offers style and tone suggestions, and translates corrected sentences into multiple languages, helping writers improve clarity and accuracy.

editGPT is a Chrome extension that turns ChatGPT i...

editGPT is a Chrome extension that turns ChatGPT into a writing assistant. It provides real‑time grammar, style, and rewriting support in 80+ languages, preserves formatting, tracks changes, and manages revisions.

LanguageTool is an AI grammar, spelling, and style...

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.

Web‑based grammar checker supporting 27 languages—...

Web‑based grammar checker supporting 27 languages—including Tagalog and English variants—highlights spelling, grammar, punctuation errors and offers corrections. It accepts rich text up to 15,000 characters, detects GPT‑style typos, and includes an AI content detector, usable from any browser.