English grammar check: Best tools in 2026 and how to use them

Making grammar mistakes is completely normal, even for long-time English learners. That’s exactly what English grammar check tools are built for. Here are some of the best free grammar checkers available currently and what you should use them for. 

Why should you use English grammar check online tools?

Here are some of the reasons why check English grammar tools should be added to your workflow:

• They can catch errors instantly by scanning the entire text and flagging grammar mistakes in seconds.
• By explaining why something is wrong, they can help users understand patterns in their mistakes and gradually improve their writing.
• Instead of hiring a proofreader or waiting for feedback, users get instant corrections at no cost.
• Most tools require no installations, so users can work directly in their browsers, Google Docs, or Microsoft Word.

Top 5 free English grammar check tools in 2026

Here are some English grammar online check tools that you can use:

Grammarly

Grammarly is a writing assistant that detects and corrects spelling, grammar, and punctuation errors, while also providing insights on tone and clarity.

Key features:

• All-in-one toolkit including plagiarism checker, citation generator, paraphrasing tool, and tone detector
• Works directly in your browser, Microsoft Word, Google Docs, and Gmail

Best for: Writers who need an assistant that works seamlessly across multiple platforms.

Pricing: Free plan available, but users can upgrade to Pro from $30/month for full AI-powered features.

(Pricing was collected on June 24, 2026, from grammarly.com. Please contact Grammarly directly for the most up-to-date pricing.)

QuillBot

QuillBot is a free check English grammar platform that supports four English dialects: American, British, Australian, and Canadian English.

Key features:

• User-friendly interface with a one-click "Fix All Errors" button that corrects every mistake instantly.
• No account registration required.
• The app also comes with a paraphraser, summarizer, and plagiarism checker in one platform.

Best for: Anyone who needs a fast, free grammar check without the hassle of signing up.

Pricing: Free plan available, but you can upgrade to Premium plan just from $4.17/month for advanced features.

(Pricing was collected on June 24, 2026, from quillbot.com. Please contact QuillBot directly for the most up-to-date pricing.)

LanguageTool

LanguageTool is the most powerful open-source English grammar online check available today, supporting over 30 languages in a single platform.

Key features:

• Detailed writing support covering spell check, grammar check, AI paraphrasing, and multilingual error detection.
• Available across web, desktop, and mobile.

Best for: Multilingual writers or anyone looking for a reliable open-source grammar tool.

Pricing: Free plan available, but users can also upgrade to Premium plan with $12.45/month for extended features.

(Pricing was collected on June 24, 2026, from languagetool.org. Please contact LanguageTool directly for the most up-to-date pricing.)

Hemingway Editor

Hemingway Editor is a writing optimization app focused on cutting unnecessary words and sharpening your sentences for maximum clarity.

Key features:

• Minimalist browser-based interface with no setup required.
• Uses color-coded highlights to flag different writing issues.

Best for: Bloggers, content marketers, or anyone looking to improve the overall readability of their writing.

Pricing: Free on the web. For desktop version, users have to pay a one-time fee of $19.99. For Pro version, users can upgrade from $10–$15/month.

(Pricing was collected on June 24, 2026, from hemingwayapp.com. Please contact Hemingway Editor directly for the most up-to-date pricing.)

Microsoft Editor

Microsoft Editor is an English grammar check AI tool built into the Microsoft ecosystem, designed to help you write more clearly and confidently across all your favorite platforms.

Key features:

• Pre-installed in Microsoft Word and Outlook
• Free Chrome and Edge extension 

Best for: Microsoft users who want a built-in writing assistant without installing additional apps.

Pricing: Free plan available, but users can upgrade to Premium plan with $6.99/month for advanced suggestions.

(Pricing was collected on June 24, 2026, from microsoft.com. Please contact Microsoft directly for the most up-to-date pricing.)

Whether you need a free English grammar check online, an AI writing assistant, or a readability tool, these options can help you write more clearly and confidently. For more tips on grammar, vocabulary, and pronunciation, explore the Grammar category in ELSA Speak blog and keep improving your English every day.