ThaiProofAI Suite
Multilingual Grammar Checkers

Portuguese Grammar Checker: Corretor Gramatical e Ortográfico

Check Portuguese accentuation (crase), verb agreement, and Orthographic Agreement rules.

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OUTPUT RESULT

Enter your text on the left and click "Generate AI Output".

Portuguese Grammar & Crase Checker (Corretor Ortográfico e Gramatical)

Verify Brazilian (pt-BR) and European (pt-PT) Portuguese documents for grammatical errors, crase accentuation (à vs a), and verb agreement rules.

1. Crase Accentuation & Preposition Rules (Uso da Crase à)

Corrects mandatory, optional, and prohibited crase usage (à) before feminine nouns and verbs.

2. Verb & Subject Concordance (Concordância Verbal e Nominal)

Fixes gender and number agreement mismatches between subjects, verbs, and adjectives according to standard Portuguese rules.

3. Supporting New Orthographic Agreement Standards (Acordo Ortográfico)

Adheres to modern Orthographic Agreement standards used across Brazil, Portugal, Angola, and Mozambique.

4. Instant Portuguese Proofreading Workflow

Paste your Portuguese draft, execute the AI scan, and copy pristine text ready for publication.

📌 Summary: Write fluent, grammatically sound Portuguese with complete confidence.

Frequently Asked Questions (FAQ)

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