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LanguageTool

Instantly check grammar, punctuation, and spelling errors with LanguageTool's AI-powered grammar checker. Enhance your writing in over 30 languages with ease.

Monthly visits (est.)

5.6M

SEO score

91/100

Visits over time

Estimated from popularity rank
02.5M5M7.5M10MOct 25: 9.2MOct 25Nov 25: 9.1MDec 25: 9.1MDec 25Jan 26: 8.9MFeb 26: 9.1MFeb 26Mar 26: 9MApr 26: 5.7MApr 26May 26: 5.8MJun 26: 5.6MJun 26Jul 26: 5.6MAug 26: 5.6MAug 26Sep 26: 5.6MOct 26: 5.6MOct 26

Whois information

Domainlanguagetool.org
RegistrarVautron Rechenzentrum AG
Registrar ID1443
Created11/22/2006
Expires11/22/2026
Updated08/12/2026
Domain statusactive
DNSSECUnsigned
Registrant countryRedacted
Name serversadrian.ns.cloudflare.comchris.ns.cloudflare.com

Raw whois

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SEO audit

14 of 16 checks passed

91

SEO score

Response 232 ms · 141 KB

  • Served over HTTPS
  • Title tag present
  • Title length 30 to 60 characters
  • Meta description present
  • Description length 70 to 160 characters
  • Exactly one H1 heading
  • Uses H2 sub-headings
  • Canonical URL set
  • Mobile viewport tag
  • Language declared
  • Open Graph tagsAdd og:title and og:image for rich social previews.
  • Twitter card tagsAdd a twitter:card tag.
  • Structured data (JSON-LD)
  • Images have alt text
  • At least 300 words of content
  • Responds in under 1.5 seconds
Title (38 characters)
Free AI Grammar Checker - LanguageTool
Description (158 characters)
Instantly check grammar, punctuation, and spelling errors with LanguageTool's AI-powered grammar checker. Enhance your writing in over 30 languages with ease.
Headings
1 H1, 9 H2, 9 H3
Words on page
1,522
Links
126 internal, 26 external
Structured data
Organization, SoftwareApplication

On-page keywords

PhraseTypeMentions
grammar checkerTwo words22
paraphrasing toolTwo words5
check textTwo words5
check text statisticsThree words4
text statistics settingsThree words4
statistics settings logThree words4
grammarWord38
languagetoolWord35

Tech stack and pricing

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About LanguageTool

What is LanguageTool?

Instantly check grammar, punctuation, and spelling errors with LanguageTool's AI-powered grammar checker. Enhance your writing in over 30 languages with ease.

How popular is LanguageTool?

LanguageTool gets an estimated 5.6M visits a month.

What are the best LanguageTool alternatives?

Popular alternatives in October 2026 include Microsoft Translator, ChatGPT, OpenAI, Grammarly.