LanguageTool

Automatically detects the language being used and applies appropriate grammar and spelling rules

AI-powered tool that rephrases sentences to be more formal, fluent, simple, or concise using artificial intelligence

Tracks productivity, languages used, errors made, and suggestions applied to show writing improvement over time

Allows users to add custom words and phrases to avoid spelling mistakes and get better suggestions

Create custom rules to enforce consistent wording and writing style throughout documents

Corrects incorrect capitalization for names, months, places, and national identities

Ensures correct placement and formatting of currency symbols

Detects inconsistent use of numeric digits versus spelled-out numbers and enforces consistent formatting

Ensures consistent spacing in numbers, percentages, and other formatted elements

Ensures correct time and date formatting for 12-hour and 24-hour formats

Free version supports up to 2,000 characters per text field; Premium supports up to 150,000 characters

20,000+ additional checks for grammar and punctuation across multiple languages including English, German, French, Spanish, Dutch, Polish, and Portuguese

Detects errors in agreement between words, such as subject-verb agreement or plural forms

Detects and corrects grammar gaffes including incorrect subject-verb agreement, wrong plural forms, and misuse of grammatical forms

Identifies and corrects improper word order in sentences

Detects and corrects incorrect use of verb tenses and related word usage

Works across all common browsers (Chrome, Firefox, Edge, Safari, Opera) for checking text in emails, blog posts, tweets, and any web content

Mobile application for iOS devices with text checking functionality

Native macOS application providing advanced spelling, style, and grammar suggestions across favorite Mac apps

Native Windows application providing advanced spelling, style, and grammar suggestions across favorite writing apps

Supports checking in 30+ languages and dialects including English, German, Spanish, French, Dutch, Portuguese with automatic language detection

Identifies missing commas that would improve sentence clarity

Ensures proper use of commas, dashes, hyphens, exclamation points, and helps with complex sentence formation

Identifies unnecessary commas that should be removed

Browser add-on that respects privacy by not storing text from web-based writing

Texts are securely stored in the editor and accessible from all devices with account login

Identifies and corrects double negation errors

Identifies when dates don't match the specified day of the week

Identifies unclear language patterns that should be removed or rewritten

Detects semantic errors including incorrect dates, word confusion, and double negation

Identifies commonly confused words and suggests corrections

Identifies misspelled proper names and acronyms with suggestions for corrections

Finds spelling mistakes and typos, underlining errors in red and providing suggestions for correct spelling

Shared dictionary feature allowing teams to add technical terms and unique phrases for consistent suggestions

Shared style guide feature for teams to enforce consistent wording and voice across all team members

Invite and manage team members by email with role-based access control

Users can choose between dark and light appearance preferences for the editor

Provides a clean, focused writing environment without distractions

Quick access to synonyms by double-clicking any word in the text

Validates ISBN and IBAN numbers for correct formatting and length