Japanese Grammar Checker & Keigo Corrector - JLPT Writing AI - Fude

Tracking since Apr 16, 2026.

Changelog

• Apr 27, 2026
  short_description

  AI-powered Japanese grammar & keigo checker. Real-time correction for JLPT learners & business writers.

  AI Japanese grammar, keigo & spell checker. Real-time proofreading for JLPT learners and business Japanese writers. Free.

• Apr 27, 2026
  name

  Fude (筆) — Japanese Writing Assistant

  Japanese Grammar Checker & Keigo Corrector - JLPT Writing AI - Fude

• Apr 16, 2026
  description

  Fude (筆) is the only Chrome extension that corrects Japanese grammar AND keigo (敬語) in real-time.
  
  ★ WHAT MAKES FUDE UNIQUE ★
  
  ✓ 3-Level Keigo System
    • Casual (タメ口) - For friends and social media
    • Business (ビジネス敬語) - For work emails and clients
    • Ultra-Formal (最上級敬語) - For executives and official documents
  
  ✓ AI-Powered Corrections
    • Grammar mistakes
    • Particle errors (は/が, に/で, etc.)
    • Keigo level mismatches
    • Tone and style suggestions
  
  ✓ JLPT Support
    • Shows JLPT level for each correction
    • Perfect for N5-N1 learners
    • Furigana readings included
  
  ✓ Works Everywhere
    • Gmail, Outlook, Yahoo Mail
    • Slack, Discord, LINE
    • Google Docs
    • Twitter/X, Facebook, LinkedIn
    • Any website with text input
  
  ✓ Explanations in Your Language
    • English, 日本語, 中文, 한국어, Español, Português
  
  ★ WHO IS FUDE FOR? ★
  
  - JLPT learners preparing for exams
  - Business professionals writing Japanese emails
  - Non-native speakers working in Japan
  - Anyone who wants to write natural Japanese
  
  ★ FREE vs PRO ★
  
  FREE: 10 corrections/day with AI
  PRO ($9.99/mo): Unlimited corrections, custom dictionary, priority support
  
  ★ PRIVACY ★
  
  Your text is processed securely and never stored permanently.
  
  ★ SUPPORT ★
  
  Questions? Contact us at [email protected]

  Fude (筆) is the only Chrome extension that corrects Japanese grammar AND keigo (敬語) in real-time.
  
  ★ WHAT MAKES FUDE UNIQUE ★
  
  ✓ 3-Level Keigo System
    • Casual (タメ口) - For friends and social media
    • Business (ビジネス敬語) - For work emails and clients
    • Ultra-Formal (最上級敬語) - For executives and official documents
  
  ✓ AI-Powered Corrections
    • Grammar mistakes
    • Particle errors (は/が, に/で, etc.)
    • Keigo level mismatches
    • Tone and style suggestions
  
  ✓ JLPT Support
    • Shows JLPT level for each correction
    • Perfect for N5-N1 learners
    • Furigana readings included
  
  ✓ Works on Any Website
    • Automatically detects text fields across the web
    • Supports popular email, chat, and document editors
  
  ✓ Explanations in Your Language
    • English, 日本語, 中文, 한국어, Español, Português
  
  ★ WHO IS FUDE FOR? ★
  
  • JLPT learners preparing for exams
  • Business professionals writing Japanese emails
  • Non-native speakers working in Japan
  • Anyone who wants to write natural Japanese
  
  ★ FREE vs PRO ★
  
  FREE: 20 corrections/day with AI
  PRO ($9.99/mo): Unlimited corrections, custom dictionary, priority support
  
  ★ PRIVACY ★
  
  Your text is processed securely and never stored permanently.
  
  ★ SUPPORT ★
  
  Questions? Contact us at [email protected]

• Apr 16, 2026
  short_description

  AI-powered Japanese grammar & keigo checker. Real-time correction for JLPT learners & business. Gmail, Slack & more.

  AI-powered Japanese grammar & keigo checker. Real-time correction for JLPT learners & business writers.

Permissions & access

Permissions

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Host access

None declared

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