Check and fix grammar, spelling, and punctuation errors for free with our AI-powered grammar checker. Perfect for emails, essays, reports, and professional documents — no sign-up needed. Paste or type your text, then select Check my writing. Click a highlighted phrase to review the suggested correction. Paste or type your text, then select Check my writing. Click a highlighted phrase to review the suggested correction. Safe AI grammar checks. No sign‑up required. It's simple: copy and paste your text into our free editor to check grammar, spelling, and punctuation. Sometimes you don't need a whole document checked — you need to know whether this one sentence is right. This free sentence checker answers exactly that question: paste the sentence, and get a corrected version (or confirmation it was already correct) plus a one-line explanation of the issue. Grammarly's free sentence checker helps you identify opportunities to write more clearly and effectively by identifying subtle tone, clarity, and correctness missteps as they happen. Check grammar, spelling and punctuation online with our free AI grammar checker. Get instant corrections with explanations — no sign-up, no ads, no limits. Paste your text (up to 5,000 characters) and press Check grammar. 2. Review each suggested change against your original — changes are shown one by one, and you decide to keep the correction or your own wording. 3. Copy the result. Your text is processed for the check and never stored. Instantly check grammar, punctuation, and spelling errors with LanguageTool's AI-powered grammar checker. Enhance your writing in over 30 languages with ease. Check your text for errors, choose the best possible corrections from the suggested ones, and learn with the help of our service. The algorithm will detect syntactic, grammatical, and stylistic errors, suggest replacement options, and explain its decision in detail.