Best 12 AI Grammar Checker Tools in 2025

Use Simpler.ai to co-write your content with AI. No monthly fees, just pay as you go.

Make AI text sound 100% human with BEXI.ai – a free tool that transforms robotic content into natural, engaging writing. Customize style & tone across multiple languages with ease

Detect AI-generated text with precision. Our tool analyzes content authenticity using advanced algorithms, flags synthetic text, and provides confidence scores.

Streamline your writing with personalized AI commands that reduce stress and boost creativity—making the entire writing process smoother, faster, and more enjoyable.

It’s an all-in-one SaaS platform to generate AI content

ChatGPT Writer is your all-in-one AI browser extension—write emails, fix grammar, translate, and research on any site. Free to use, powered by GPT-4.1, Claude, and Gemini. Also on web & mobile.

Typeng is a online simulator for practicing English tenses. Read questions and answer using only displayed words. If words are spelled correctly, you can proceed. Perfect for improving your grammar skills!

Safe Spelling is an AI-powered spell checker that helps you eliminate writing errors and enhance your text accuracy effortlessly.

Paraphrase Tool offers 15 modes across 100+ languages, expertly rephrasing sentences, rewording paragraphs, and rewriting essays while checking grammar and eliminating plagiarism.

AI Detector quickly identifies AI-generated text, including ChatGPT content, by analyzing language patterns, style, and structure. Fast, accurate verification without registration needed.

WriterCure is a powerful MacOS app designed to enhance your writing across all platforms - from Discord and Twitter to MS Word, Outlook, LinkedIn, Notion, Mail, and Notes. WriterCure seamlessly integrates.

Writing enhancement tool - Improve your writing with Grammarly's AI, ensuring clarity, engagement, and error-free content.