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AIGrammarChecker

AIGrammarChecker is a free AI grammar-checking tool that instantly detects grammatical, spelling, and punctuation errors in English text and provides clear suggestions for correction, helping users improve the accuracy and quality of their writing.

AIGrammarChecker is an AI-powered, free English grammar checker that allows users to directly paste text or upload files (e.g., .txt, .docx formats). It provides real-time, highlighted annotations of error types and corrective suggestions. All input content remains private, ensuring user privacy and data security. The system also supports selecting English as the explanation language and offers detailed breakdowns for common issues like subject-verb agreement, word collocations, possessive misuse, and contraction usage, making it suitable for various English writing contexts, including student assignments, professional emails, and academic drafts.

Features

It supports precise identification and correction of specific grammatical rules, such as subject-verb agreement, possessive pronouns (e.g., distinguishing between 'there' and 'their'), and contractions (e.g., differentiating between 'its' and 'it's').

It offers multi-format input options—paste text or upload files—and one-click export functionality (copy or download the corrected text), all without requiring registration and completely free of charge.

Use cases

Used to check for grammatical, spelling, and punctuation errors in English writing, enhancing text accuracy and clarity.

Assist in learning English grammar rules by providing detailed correction explanations (such as subject-verb agreement, possessives, and contractions) to help understand the reasons behind errors.

Optimize English sentence structure and expression to make the language more natural and expressive.

How to use

Paste English text or upload a document file.

Click the “Check Grammar” button to start the check.

View highlighted issues along with context-adapted suggestions for corrections.

Choose “Accept All” to apply all corrections, or use “Copy” or “Download” to export the optimized text.

Pricing

Completely free to use, with all features fully unrestricted—no subscriptions, no fees required.

Traffic data

Third-party estimates, not first-party analytics. Periods, devices and providers are shown separately.

No verifiable traffic data available

Sources

aigrammarchecker.io ↗