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

increoscale.com
ExtensionCommunication3 users
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Overview

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

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 support@fude.app

Details

  • Version
    1.3.2
  • Updated
    April 26, 2026
  • Features
    Offers in-app purchases
  • Size
    166KiB
  • Languages
    6 languages
  • Developer
    Website
    Email
    support@increoscale.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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Japanese Grammar Checker & Keigo Corrector - JLPT Writing AI - Fude has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Japanese Grammar Checker & Keigo Corrector - JLPT Writing AI - Fude handles the following:

Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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