LanguageTool

What is LanguageTool?

LanguageTool is a grammar checker and paraphrasing tool that works across many languages, including English and Spanish. It checks writing for grammar and style errors, catching issues beyond basic grammar such as misused words, punctuation mistakes, and awkward sentence structures. Its paraphrasing tool lets you rewrite sentences and paragraphs to make them clearer and flow better.

Who created LanguageTool?

LanguageTool started as an open-source project in 2003. The team behind it includes computational linguists, content creators, data scientists, and managers. They make their core technology available as open-source software.

What is LanguageTool used for?

LanguageTool covers a broad range of writing checks:

• Grammar checking across many languages, including subject-verb agreement, plural forms, and other grammatical errors.
• Spelling correction, catching typos, misspelled names, acronyms, casing errors, and even ISBN & IBAN numbers, with extensive spelling suggestions.
• Punctuation correction and style checking.
• Format & typography fixes, such as inconsistent spacing and incorrect currency formats.
• Semantics, correcting unclear dates, confusing word choices, double negatives, and incorrect name usage.
• Wordiness, suggesting more concise alternatives.
• Informal style detection, flagging informal language and suggesting more formal phrasing.
• Foreign terms, identifying foreign words and offering clearer, more natural phrasing.
• Style improvement, spotting overused phrases, repetitive words, and words used incorrectly.
• Paraphrasing, including AI-powered sentence rephrasing for fresh wording.
• Writing statistics, tracking your consistency and productivity.
• Personal dictionary support and character limits per text field.
• ‘Picky mode’ for more advanced suggestions on punctuation, style, and typography.

Integrations

LanguageTool integrates directly into apps you likely already use, including Google Docs, Microsoft Word, and popular browsers such as Chrome, Firefox, Edge, and Safari.

Why choose LanguageTool?

With support for many languages, a wide range of grammar, spelling, and style features, and integrations across common apps and browsers, LanguageTool is a solid option for anyone looking to produce polished, error-free writing.