Forward Future Tools Library
LanguageTool
LanguageTool checks grammar, spelling, punctuation, and style across 30+ languages, with browser, desktop, office, and email integrations for multilingual writers, students, and teams.
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languagetool.org·From €19.90 per month·Checked 2026-08-26
›What is LanguageTool?
LanguageTool is an AI writing assistant that checks grammar, spelling, punctuation, style, and tone in more than 30 languages and dialects. It includes a web editor, paraphrasing tool, personal dictionary, writing statistics, and optional advanced checks. Browser add-ons, desktop apps, email add-ons, and office plugins let users check text while writing.
›What are the pros and cons of LanguageTool?
Strengths
Supports grammar and style checking in more than 30 languages and dialects
Works across browsers, desktop apps, email clients, office software, and the web editor
Premium includes unlimited AI paraphrasing
Team plans provide shared style guides, team dictionaries, and user management
The browser add-on does not store text
Trade-offs
Some advanced style rewrites can feel generic on specialized content
Premium value depends on how often users need premium-only AI features
Offline grammar checking is not a good fit for users who require it
›What are LanguageTool’s key features?
Grammar, spelling, punctuation, style, and tone checking across 30+ languages and dialects
Paraphrasing with options to make sentences more formal, fluid, or shorter
Browser add-ons for Chrome, Edge, Firefox, Safari, and Opera
Integrations for Gmail, Outlook, Apple Mail, Thunderbird, Google Docs, Word, Apple Pages, and LibreOffice
Web editor with text storage, personal dictionary, statistics, and dark or light appearance
Premium checks for up to 150,000 characters per text field and more than 20,000 additional checks in selected languages
Team style guides, shared dictionaries, and user management
›What are the best use cases for LanguageTool?
Proofreading emails, blog posts, documents, and web forms while writing
Checking academic or workplace writing in a second language
Applying consistent terminology and style across team communications
Rewriting sentences to change their formality, fluency, or length
Tracking errors, suggestions applied, languages used, and writing activity over time
›What is the pricing for LanguageTool?
| Plan | Price | Details |
|---|---|---|
| Premium monthly | €19.90 per month | Individual Premium access with enhanced grammar, punctuation, and style checking, unlimited sentence paraphrasing, a style guide, and browser add-on access. |
| Premium quarterly | €39.90 per quarter | Individual Premium access with enhanced checking, unlimited sentence paraphrasing, a style guide, and browser add-on access. |
| Premium annual | €59.89 per year | Individual Premium access with enhanced checking, unlimited sentence paraphrasing, a style guide, and browser add-on access. |
| Premium 2-year | €99.90 per 2 years | Individual Premium access with enhanced checking, unlimited sentence paraphrasing, a style guide, and browser add-on access. |
| Team | €56.90 per user | Annual team subscriptions for up to 20 users, including Premium features, user management, a shared style guide, and a team dictionary. |
Students, teachers, and professors can receive up to 20% off a Premium subscription. Business subscriptions are listed separately.
Checked 2026-08-26 · source
›Who is LanguageTool best for?
studentsUseful for proofreading assignments and long documents, with an education discount available for qualifying users.
multilingual writersMore than 30 supported languages and dialects make it well suited to non-native and multilingual writing.
small teamTeam style guides, shared dictionaries, and user management support consistent writing across groups of up to 20 users.
business writersBrowser, email, office, and desktop integrations place grammar and style suggestions inside common writing workflows.
Not for
- Users who need offline grammar checking should look elsewhere.
- Creative writers seeking deep stylistic analysis may find some rewrites too generic.
- English-only users focused mainly on tone suggestions may prefer a different writing assistant.
›What are the best LanguageTool alternatives?
WordtuneChoose this instead if sentence rewriting and refinement are more important than broad multilingual proofreading.→
AI WriterChoose this instead if you need help generating full articles rather than mainly checking existing writing.→
RaptorWriteChoose this instead if your main requirement is producing new content with an AI writing assistant.→
Clean Email→