AI Grammar Checker -
Write with Confidence and Clarity

Trinka helps you improve your writing with advanced grammar checks. It also fixes punctuation and makes your writing clearer.

Advanced Grammar

Fix complex grammar issues to make your writing more accurate and clearer.

Sentence Structure

Structure clear, easy-to-understand sentences.

Word
Choice

Use the right words to match your meaning and context.

US/UK
Style

Adapt your writing to US or UK English, based on your audience.

Usage &
Style

Improve tone and phrasing for a polished, professional style.

Advanced
Spelling

Detect spelling errors with context-aware checks.

Why Writers Value Our Grammar Checker Tool

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Editing Modes to Suit Your Writing Needs

*Available only for English

Power Mode

Corrects complex grammar and spelling mistakes and makes your writing easier to read.

grammar checker - power mode

Lite Mode

Corrects basic grammar, spelling, and punctuation mistakes.

grammar checker - lite mode

Free Online Grammar Checker

Trinka is an AI-powered grammar checker made for academic and research writing. It helps fix grammar and spelling mistakes and also improves word choice, tone, and sentence structure.

Trinka gives smart tips for subjects like science, medicine, business, and the arts. It helps students, researchers, and professionals write clearly and correctly.

Who Can Benefit From This Grammar Checker?

Trinka is great for anyone who wants to improve their English writing. The free grammar checker is trusted by students, teachers, researchers, writers, and professionals.

Researchers

Trinka helps improve research papers, journal articles, and dissertations.

Professionals

Use Trinka to write better emails, reports, and presentations.

Students

Trinka helps with essays and assignments by fixing grammar and making your ideas clearer.

Writers of Various Content

Whether you're writing a blog, cover letter, or social media post, Trinka helps you say things clearly and well.

Get Trinka Where You Need It

Make Your Writing More Effective with Trinka’s Grammar Checker Tool

Trinka’s AI-powered grammar checker does more than just fix basic mistakes. It checks tone, structure, word choice, and readability. It also looks at grammar, spelling, and punctuation to make your writing clear, consistent, and easy to read—all in one platform!

grammar checker

Learn Grammar with Trinka’s Grammar Checker Tool

Trinka’s grammar checker helps you learn from your mistakes. Each suggestion comes with a short explanation, so you can improve your writing skills over time. You also get a language quality score to see how your writing is improving.

For students, Trinka is a helpful tool to build good writing habits and learn grammar and style.

grammar checker

What are you waiting for?

Trinka’s Grammar Checker FAQ

Grammar Checker

Copy your text and paste it in Trinka's spelling and grammar checker. The AI-powered grammar checker will thoroughly check the text for punctuation, grammar, and vocabulary mistakes.

Absolutely. Every suggestion includes a brief explanation, helping you learn grammar rules and improve your writing over time.

Trinka uses advanced Natural Language Processing (NLP) trained on millions of academic and formal documents. It follows grammar rules and uses AI to help you improve your writing.

Yes. Trinka spelling and grammar checker can be accessed freely on this page only up to 500 words, but with Trinka’s free plan you can check up to 5000 words/month. It's available via the website, browser extension, and Word add-in.

Yes. Trinka enhances grammar, sentence structure, formality, tone, and vocabulary to suit your audience—ideal for everything from essays to emails and reports.

Yes. In Trinka's free grammar checker, there is an inbuilt feature known as Consistency Checker. It identifies 5 variations of inconsistencies in a single click.

Trinka is designed for various types of academic and technical writing, including research papers, theses, dissertations, essays, reports, and journal manuscripts.

Plug-ins and Add-ins

Trinka works on all web browsers and offers browser plug-ins (Chrome, Firefox, Safari, Edge) and a Microsoft Word add-in (for Premium users).

Yes. Install the Trinka browser plug-in to check grammar on social media, emails, and any text input fields online—perfect for formal communication and social writing.

Install Trinka's MS Word add-in for help. The Trinka Proofread File feature in the add-in also can edit your MS Word document in track changes. Become a Premium member to use this powerful tech to make your writing clear and confident.

Trinka grammar checker offers an add-in for MS Word users, Trinka also has an proofread file feature where your document is automatically checked for grammar errors in seconds, and you get all the suggestions in track changes.

Trinka's online grammar checker requires an active online connection to provide real-time suggestions. However, users can now access the offline grammar checker through the Trinka Windows desktop app.

Yes. Trinka Enterprise solution offers flexible integration via Trinka JS and API—perfect for embedding grammar checking into websites, platforms, or internal tools.

Common Questions

Trinka offers both free and premium plans. The Basic (free) plan lets you check up to 5000 words each month. The Premium plan gives unlimited access to features like consistency checks, citation help, and personalized writing tips.

We tested Trinka against top grammar checkers using 5,778 words across five academic domains. Trinka outperformed others in accuracy, style preferences, conciseness, and contextual spelling. For a detailed comparison, check out our  comparison whitepaper.

No. Trinka uses its own proprietary AI and NLP technology built specifically for editing academic, technical, and formal content. Your content is never labeled as AI-generated.

Unlike generic tools, Trinka is tailored for complex writing. Its free plan includes features many premium tools don’t offer, while the premium version adds advanced checks ideal for formal documents, reports, proposals, and more.

Trinka is a helpful tool for most writers. If your sentences are clear and logical, Trinka can handle the rest. For very complex or unclear writing, a human proofreader may still be helpful. For everyday writing needs, Trinka is a smart and reliable choice.

Yes, Trinka is great for students. They can also get a 20% discount on the Premium plan—just email support@trinka.ai to claim it.

Yes, Trinka currently supports English and Spanish. We’re working on adding more languages in the future—stay tuned for updates!

Yes, Trinka makes it easy to add real-time grammar and spell checking to any online text editor. With just a few steps, you can integrate our tool and start checking grammar instantly.