Skip to content
Sign in Get Pro

Grammar Checker

Check grammar, spelling and style using the free LanguageTool service.

Calls a public data serviceFree · No sign-up
Your text is sent to the free LanguageTool public API to be checked. Do not paste confidential text.

How to use the grammar checker

  1. Enter or paste your input in the tool above.
  2. Adjust the options if you need to.
  3. Press “Run tool”.
  4. Copy or download your result.

About this tool

Check grammar, spelling and style using the free LanguageTool service. It is part of the free AI Content Writing Tools collection from LLMWiki, designed to be fast, clear and easy to trust on any device.

No sign-up and no hidden limits in the interface. Results are guidance, so verify anything important.

Calls a public data service

This tool looks up public data from a free third-party service. Only the query you type is sent.

Frequently asked questions

Is the grammar checker free?

Yes. It is free to use and needs no account or sign-up.

Is my data private?

This tool looks up public data from a free third-party service. Only the query you type is sent.

Who makes this tool?

The tool is built and maintained by LLMWiki. Questions or feedback? Email hello@llmwiki.in.

More Content tools

Need this done for you?

LLMWiki also provides SEO, AI search optimisation and website development services.

Why use the Grammar Checker?

The Grammar Checker helps you check grammar, spelling and style using the free LanguageTool service. Free, no sign-up. Calls a public data service. Instead of switching between complicated software or doing it by hand, you get an accurate result in seconds – for free, on any device, with no sign-up.

Key advantages

  • Fast: results in seconds, so you can act immediately.
  • Accurate & practical: built around real-world AI Content Writing Tools workflows.
  • Free & private: no installation; many tools run entirely in your browser.
  • Works everywhere: fully responsive on mobile, tablet and desktop.
  • Export-ready: copy or download results for reports and clients.

How the Grammar Checker helps your business

Businesses use the grammar checker to produce clear, persuasive content in minutes instead of hours. Saving even an hour a week on routine work frees your team for strategy, customers and growth – and reduces the cost of paid tools and outside help.

Organic growth & AI search visibility

Helpful, well-structured content that answers real questions is what search engines reward – and what readers share and link to. Using the grammar checker as part of a regular routine turns small improvements into compounding gains in traffic, leads and brand visibility.

How to use the Grammar Checker

  1. Add your inputPaste your text, URL, file or data into the tool above.
  2. Run the toolGet an instant, structured result.
  3. Apply the resultCopy, download or share it – and fix what matters most first.

Who is it for?

The Grammar Checker is designed for bloggers, content writers, marketers and small businesses – whether you manage one website or many clients.

Frequently asked questions

Is the Grammar Checker free?

Yes. It is free to use without registration. Advanced platform features (site audits, rank tracking, backlinks and AI visibility tracking) are available in LLM Wiki Pro.

Is my data safe?

Browser-based tools process your data on your device. Tools that fetch a URL only access publicly available pages, and we never sell your data.

Can I use the results for clients?

Absolutely – copy or download the results and use them in audits, reports and deliverables.

Related tools