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Grammarly

Grammarly

AI-powered communication assistant providing en temps réel writing feedback for grammar, clarity, tone, and style. Fonctionne transparently across 500,000+ apps and websites with navigateur extensions and bureau apps.

Free AvailableBrowser ExtensionBusinessEnterpriseAPI
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Visites mensuelles

55.7M

Utilisateurs actifs quotidiens

30M+

Intégrations d'apps

500,000+

Fondé en

2009

Organisations

50,000+

Adoption Fortune 500

96%

Introduction

Grammarly is the world's most widely used AI communication assistant, founded in 2009 by Max Lytvyn, Alex Shevchenko, and Dmytro Lider. What began as a grammar and spelling checker for étudiants has evolved into a complet AI writing partner trusted by over 30 million daily active utilisateurs and 50,000 organisations, y compris the vast majority of Fortune 500 companies.

Grammarly's core value proposition goes beyond simple error correction. It analyse your writing across four dimensions: correctness (grammar, spelling, punctuation), clarity (sentence structure, wordiness), engagement (choix de mots, vocabulary), and delivery (tone, formality). The plateforme uses color-coded underlines to categorize suggestions, ce qui en fait intuitif pour comprendre what type of amélioration is being offered. Its generative AI comprend can brainstorm ideas, draft content from prompts, and rewrite existing text to match a desired tone or style.

Ce qui rend Grammarly particularly puissant is its transparent intégration across plateformes. It fonctionne everywhere you write, from Gmail and Google Docs to Slack, Microsoft Word, and social media. The navigateur extension, bureau app, and mobile keyboard ensure cohérent writing qualité across every communication channel. For équipes, enterprise comprend like Style Guides, Brand Tones, and analytics tableau de bords enforce cohérent communication standards across entire organisations tout en fournissant ROI metrics on writing qualité améliorations.

Avantages

  • +Fonctionne transparently across 500,000+ apps and websites
  • +Excellent grammar and spelling précision with contextual understanding
  • +Intuitif interface with clear explications for every suggestion
  • +Tone détection disponible even in the offre gratuite
  • +Puissant team comprend y compris Style Guides and Brand Tones
  • +Strong sécurité and confidentialité practices (SOC 2, GDPR, HIPAA ready)
  • +Generative AI for brainstorming, drafting, and rewriting
  • +Multi-plateforme support (navigateur, bureau, mobile, Office)

Inconvénients

  • -Premium is relatively expensive at $12+/month billed annuellement
  • -Suggestions can occasionally be overly aggressive, requiring judgment to accept or dismiss
  • -Nécessite internet connection sans mode hors ligne disponible
  • -May occasionally conflict with other navigateur extensions or slow down large Google Docs
  • -Limited langue support — primarily English sans full support for other langues
  • -Generative AI comprend are still evolving and may not match dedicated AI writing tools

Fonctionnalités clés

En temps réel Error Correction

Catches grammar, spelling, and punctuation errors as you type with high précision. Understands context to distinguish between homophones like "there," "their," and "they're," and identifie subject-verb agreement issues, misplaced modifiers, and comma splices that basic correcteur orthographiques miss.

Clarity & Readability Analysis

Identifie wordy phrases, suggests more concise alternatives, and highlights ambiguous expressions that could confuse readers. Détecte passive voice, split infinitives, and overly complex sentence structures, providing specific rewrites pour améliorer readability scores.

Tone Détection & Adjustment

Analyse choix de mots, phrasing, and sentence structure to predict how readers will perceive your tone (formal, friendly, confident, diplomatic, etc.). Premium utilisateurs can actively adjust tone by selecting a desired emotional register and receiving specific rewording suggestions.

Vocabulary Amélioration

Suggests more precise, puissant, or engaging word alternatives basé sur context. Double-click any word to see synonyms with usage examples and definitions. Identifie overused words and repetitive langue patterns pour aider diversify vocabulary.

Generative AI Writing

Brainstorm ideas, generate drafts from prompts, rewrite existing text, and get AI-powered suggestions for continuing your writing. Free utilisateurs get 100 prompts par mois, while Premium and Business plans offer 1,000-2,000+ prompts with more sophistiqué capacités.

Plagiarism Détection

Compares your text against billions of web pages and ProQuest academic databases to identify potential plagiarism and missing citations. Highlights matching passages with direct links to original sources, ce qui en fait easy to add proper attribution.

AI Content Détection

Analyse text to determine whether it was likely generated or heavily edited by AI tools. Fournit a percentage score indicating AI involvement, helping éducateurs, publishers, and content équipes ensure authenticity. Disponible as a Premium feature.

Style Guides (Business)

Téléverser company style guidelines, define preferred terminology, banned words, and formatting rules. Grammarly flags violations in en temps réel and suggests corrections aligned with your organization's standards, ensuring every team member writes cohérently.

Brand Tones (Business)

Define your organization's voice characteristics (e.g., "Professionnel yet approachable" or "Bold and innovant"), and Grammarly fournit suggestions pour aider every team member maintain cohérent brand communication sur tous les channels.

Analytics Tableau de bord (Business)

Track team writing performance, identify common error patterns, measure style guide conformité rates, and demonstrate ROI through productivity metrics. Export data for reporting and identify training opportunities à travers le organization.

À qui s'adresse-t-il

Professionnel Business Communication

Business professionnels use Grammarly pour assurer every email, report, proposal, and Slack message is polished and professionnel. Tone détection aide gauge how recipients will perceive messages before sending, while the generative AI comprend assist with drafting réponses and summarizing long threads. Style Guides ensure brand-cohérent communication à travers le entire organization.

Business professionnels, executives, corporate équipes, and customer-facing staff

Academic Writing and Research

Étudiants and academics rely on Grammarly for vérification grammaticale, plagiarism détection against ProQuest databases, and citation formatting in APA, MLA, and Chicago styles. The clarity suggestions help simplify complex academic prose, while the AI content détection feature aide institutions maintain academic integrity standards.

College étudiants, graduate chercheurs, professors, and academic institutions

Marketing de contenu and Copywriting

Content créateurs use Grammarly pour maintenir cohérent qualité across blog posts, social media captions, newsletters, and web copy. The engagement analysis aide identify weak vocabulary choices, while tone adjustment assure content matches the intended voix de marque. Équipes leverage Brand Tones pour maintenir unified messaging sur tous les content.

Content marketeurs, copywriters, social media managers, and éditeurial équipes

Non-Native English Writing

ESL and EAL writers use Grammarly pour améliorer fluency, catch common non-native errors, and understand English grammar rules through detailed explications. The tool prend en charge multiple English dialects (American, British, Canadian, Australian, Indian) and fournit contextual suggestions that help writers develop natural-sounding English over time.

Non-native English speakers, ESL étudiants, and international professionnels

Plans tarifaires

Free

$0/indéfiniment
  • Basic grammar, spelling, punctuation corrections
  • Basic clarity and conciseness suggestions
  • Tone détection for every message
  • 100 AI prompts par mois
  • Navigateur extension and bureau/mobile apps
  • Fonctionne across 500,000+ sites and apps
Recommandé

Pro

$12/mois

Billed annuellement ($144/year)

  • Everything in Free
  • Avancé clarity and fluency suggestions
  • Tone adjustment and rewriting
  • Vocabulary amélioration and choix de mots
  • Full sentence rewrites
  • Plagiarism détection (ProQuest databases)
  • AI content détection
  • 1,000-2,000 AI prompts/month

Business

$15/utilisateur/mois

For équipes of 3-149 utilisateurs

  • Everything in Pro
  • Style Guides for cohérence de marque
  • Brand Tones for unified voice
  • Snippets (reusable message modèles)
  • Knowledge Share for team context
  • Team analytics tableau de bord
  • Contrôles administrateur, roles, and centralized billing

Enterprise

Custom/contacter les ventes
  • Everything in Business
  • Illimité team members and AI prompts
  • BYOK encryption and Data Loss Prevention
  • SCIM user provisioning and SAML SSO
  • Custom data retention policies
  • Dedicated customer success manager
  • SOC 2 Type II and HIPAA ready conformité

Comparatif

Grammarly vs QuillBot

Grammarly and QuillBot serve overlapping but distinct needs. Grammarly excels at complet vérification grammaticale, tone détection, and enterprise team comprend, while QuillBot specializes in paraphrasing with 9+ personnalisable modes. Grammarly fournit broader plateforme intégration and more sophistiqué writing analysis, while QuillBot is more abordable and better suited for academic paraphrasing flux de travails.

Grammarly excelle dans

  • +More complet grammar and style correction engine
  • +Superior tone détection and adjustment capacités
  • +Wider plateforme intégration across 500,000+ apps
  • +Enterprise comprend y compris Style Guides and Brand Tones

QuillBot excelle dans

  • +QuillBot propose superior paraphrasing with 9+ modes
  • +QuillBot is significantly more abordable ($8/mo vs $12/mo)
  • +QuillBot inclut a Summarizer and Citation Generator
  • +QuillBot fournit a unified writing fonctionnepace (Flow)

Grammarly vs ProWritingAid

ProWritingAid is Grammarly's closest direct competitor, offering deep writing analysis with 20+ reports on style, structure, readability, and overused words. ProWritingAid fournit more detailed analytical reports and is preferred by fiction writers, while Grammarly propose a more polished user expérience, better en temps réel intégration, and stronger enterprise comprend.

Grammarly excelle dans

  • +More intuitif and transparent user expérience
  • +Better en temps réel intégration across plateformes
  • +Stronger enterprise and collaboration d'équipe comprend
  • +More fiable tone détection and generative AI

ProWritingAid excelle dans

  • +ProWritingAid propose more detailed writing analysis reports
  • +ProWritingAid has a one-time lifetime license option
  • +ProWritingAid fournit better fiction-specific writing tools
  • +ProWritingAid is generally more abordable for individuals

Grammarly vs Hemingway Editor

Hemingway Éditeur takes a minimalist approach focused on readability and conciseness, highlighting complex sentences, passive voice, and adverb overuse. Grammarly fournit a much more complet feature set with vérification grammaticale, tone détection, and generative AI. Hemingway is better for writers specifically focused on achieving clear, bold prose, while Grammarly serves broader writing needs.

Grammarly excelle dans

  • +Far more complet writing analysis beyond readability
  • +En temps réel intégration sur tous les writing plateformes
  • +Generative AI for drafting and rewriting content
  • +Plagiarism détection and citation support

Hemingway Editor excelle dans

  • +Hemingway fournit a cleaner, distraction-free writing focus
  • +Hemingway propose a one-time purchase sans abonnement
  • +Hemingway excels at training writers to write more concisely

1. Pour commencer with Grammarly

1. Create a free account at grammarly.com/signup using email, Google, or Apple 2. Install the navigateur extension for Chrome, Safari, Firefox, or Edge from grammarly.com/navigateur 3. For bureau apps: Télécharger Grammarly for Windows or Mac pour utiliser in native applications like Microsoft Word, Outlook, and PowerPoint 4. For mobile: Install the Grammarly Keyboard for iOS or Android pour obtenir suggestions in any mobile app Once installed, Grammarly fonctionne automatically in most text fields. You will see colored underlines for suggestions — click to view the explication and apply or dismiss each one. The Grammarly icon (green circle) shows the total number of suggestions disponible and your overall writing score.

2. Understanding the Suggestion System

Grammarly uses color-coded underlines to categorize feedback, ce qui en fait easy to prioritize: **Red underlines** indicate correctness issues (grammar, spelling, punctuation) — these are le/la plus critical to fix. **Blue underlines** suggest clarity améliorations (sentence structure, wordiness, vague langue). **Green underlines** highlight engagement opportunities (choix de mots, vocabulary variety, reader interest). **Purple underlines** address delivery concerns (tone, formality level, confidence). Click any underline to see the suggestion, a clear explication of why the change is recommended, and a "Learn more" link for grammar rules. Vous pouvez accept the suggestion by clicking the replacement text, dismiss it with the X button, or add flagged words to your personal dictionary for proper nouns and industrie jargon.

3. Configuring Writing Goals

Premium and Pro utilisateurs can set writing goals to receive tailored suggestions for each document: 1. Click the Grammarly icon in any text field, then select "Set Goals" 2. Configure four dimensions: - **Audience**: General, Knowledgeable, or Expert — adjusts vocabulary complexity - **Formality**: Informal, Neutral, or Formal — controls tone suggestions - **Domain**: General, Academic, Business, Technical, Créatif, or Casual — contextualizes grammar rules - **Intent**: Inform, Describe, Convince, or Tell a Story — shapes engagement suggestions Goals persist throughout your document and customize all suggestions accordingly. Par exemple, selecting "Academic" domain with "Expert" audience will allow technical terminology that would normally be flagged in general writing.

4. Setting Up Team Comprend for Business

**Style Guides**: Navigate to Admin paramètres and téléverser your organization's writing guidelines. Define preferred terms (use "customers" not "clients"), banned words, formatting rules, and company-specific conventions. Grammarly flags violations in en temps réel and suggests corrections aligned with your standards. **Brand Tones**: Define your voix de marque characteristics (e.g., "Professionnel yet approachable, confident but not arrogant"). Team members receive tone suggestions aligned with these brand standards as they write any communication. **Snippets**: Create reusable, brand-approved message modèles for common réponses. Team members type a shortcut (like "/greeting") to expand into full, pre-approved text, ensuring cohérent messaging. **Analytics**: Monitor team adoption rates, most common error types, tone consistency, style guide conformité, and amélioration trends over time. Export data for management reporting and identify training opportunities.

Questions fréquentes

Oui, Grammarly propose a genuinely useful offre gratuite with basic grammar, spelling, and punctuation checking, plus tone détection and 100 AI prompts par mois. It fonctionne across 500,000+ apps and websites. Premium comprend like avancé clarity suggestions, plagiarism détection, vocabulary amélioration, and full sentence rewrites require a paid abonnement starting at $12/month.
Oui, Grammarly has a bureau app and Microsoft Office add-in for both Windows and Mac that intègre with Word, Outlook, and PowerPoint. The intégration fournit le/la même en temps réel suggestions as the navigateur extension. Some utilisateurs report occasional compatibility issues with very large documents, but intégration is generally smooth.
Grammarly uses encryption (TLS 1.2+ in transit, AES-256 at rest) and never sells user data. Text is processed pour fournir suggestions but not stored permanently unless saved in Grammarly Éditeur. Enterprise plans offer additional controls y compris BYOK encryption, custom data retention policies, and Data Loss Prevention. Grammarly is SOC 2 Type II compliant and HIPAA ready.
Oui, Premium and Pro utilisateurs have access to an AI content détection feature that analyse text to determine if it was likely generated or edited by AI tools like ChatGPT. It fournit a percentage score indicating the level of AI involvement. C'est a separate feature from plagiarism détection.
Non, Grammarly nécessite an internet connection to function. It is a basé dans le cloud service that traite your text on remote servers pour fournir en temps réel suggestions. If you lose connectivity, suggestions will pause and resume when the connection is restored.
Grammarly is excellent for ESL and EAL utilisateurs. It catches common non-native errors, améliore fluency, and fournit clear explications for every correction pour aider utilisateurs learn. Vous pouvez select your preferred English dialect (American, British, Canadian, Australian, Indian) for regionally appropriate suggestions on spelling and idiom usage.
Grammarly primarily prend en charge English writing with five dialect options (American, British, Canadian, Australian, Indian). Il peut translate content from 19 langues into English. Full writing assistance in langues other than English n'est pas currently disponible, though the company has indicated plans for expansion.
Oui, Grammarly is widely used for academic writing. Premium inclut plagiarism détection comparing against ProQuest academic databases and billions of web pages, plus citation formatting suggestions for APA, MLA, and Chicago styles. The Education plan adds LMS intégration with Canvas and Blackboard, student analytics, and admin-controlled AI paramètres for institutions concerned about academic integrity.
Built-in correcteur orthographiques in Word or navigateurs only catch basic spelling and simple grammar errors. Grammarly fournit contextual grammar analysis, tone détection, clarity suggestions, vocabulary amélioration, and style recommendations. It understands the meaning behind your writing plutôt que just checking individual words.
Non, each team member needs their own account. Business and Enterprise plans include per-user licensing with centralized billing, contrôles administrateur, and shared Style Guides. Each user gets their own personal dictionary, writing statistics, and customized suggestions basé sur their writing patterns.