AI敬語変換

AI敬語変換 is a free, web-based tool from Toolpods that automatically converts ordinary Japanese text into appropriate honorific language (keigo) for business emails and formal documents.

What is AI敬語変換?

AI敬語変換 is an AI-powered Japanese writing assistant that takes plain or casual Japanese text as input and outputs a version rewritten in the correct degree of politeness for professional contexts. It runs entirely in the web browser, with no installation required, and is developed by Toolpods. The tool focuses on business communication, supporting conversions to 丁寧語 (polite language), 謙譲語 (humble language), and 尊敬語 (respectful language) as needed.

Key Features

• Automatic keigo conversion — Analyzes the input sentence and rewrites it using appropriate humble (謙譲語), respectful (尊敬語), or polite (丁寧語) forms depending on the subject and context.
• Business-oriented output — The converted text is optimized for use in business emails, formal documents, and other professional correspondence, avoiding overly casual phrasing.
• Free to use — The service is available at no cost and does not require a paid subscription or hidden fees.
• Web-based interface — Accessible from any device with a web browser and an internet connection; there is no desktop software to install.
• AI-powered accuracy — Uses natural language processing to identify the correct honorific pattern for verbs, nouns, and sentence endings.
• Time-saving workflow — Users can paste a draft and quickly receive a corrected version, reducing the time spent manually checking keigo rules.

Who is it for?

• Business professionals — Write polished emails to clients, supervisors, or business partners by converting draft text into the proper keigo level.
• Non-native Japanese speakers — Use the tool to verify and correct honorific usage before sending important communications.
• Students of Japanese — Practice keigo conversion by inputting casual sentences and seeing how they are transformed into formal language.

What can you do with AI敬語変換?

• Draft polite business emails — Paste a rough draft of an email to a client and get a version with appropriate humble and respectful expressions.
• Format formal documents — Convert casual notes into the formal language expected in official letters, announcements, or internal memos.
• Learn keigo usage — Experiment with different sentence structures to see how the choice of honorifics changes with context.

Pricing

AI敬語変換 is free to use. The product listing and the developer's description indicate no subscription fee or hidden charges.

FAQ

Is AI敬語変換 free?

Yes, the tool is free to use. The product listing and the developer's description indicate no subscription fee or hidden charges.

What keigo forms does it support?

It supports the three main categories of Japanese honorific language: 丁寧語 (polite speech), 謙譲語 (humble language), and 尊敬語 (respectful language). The output uses the form appropriate to the relationship and context.

Does AI敬語変換 work for business emails?

Yes. The tool is specifically designed to convert text for business emails and formal documents. It rewrites casual Japanese into the polite and humble expressions expected in professional communication.