文賢

AI Writing

An AI-powered Japanese text proofreading and editing tool. Automatically checks for typos, expression improvements, and readability across 100+ check items.

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What is 文賢?

Bunken is an AI-powered online text proofreading and editing tool developed by Web Rider Inc. Combining cutting-edge AI with proprietary algorithms, it automatically checks text across 100+ items. Beyond detecting typos and inappropriate expressions, it instantly flags readability issues such as repeated sentence endings, consecutive identical particles, overuse of passive voice, and verbose expressions. It consists of two systems: 'AI Assist' and 'Rule-based Proofreading & Editing,' with AI Assist offering 16 default buttons. Organizations can create up to 3 dictionaries to share across teams, making it useful for standardizing internal writing rules. It is widely used by professional writers, editors, and PR managers who prioritize text quality.

Pricing Plans

1¥2,178/mo (tax included) — no initial fees

Key Features

AI text proofreading
Editing support (sentence endings, particles, verbose expression checks)
Typo detection
AI Assist (16 button types)
Team dictionary feature (up to 3 dictionaries)
Inconsistent notation check
Inappropriate expression detection
Readability scoring

Pros & Cons

Pros

  • Comprehensive proofreading across 100+ check items
  • AI Assist provides text improvement suggestions
  • Team dictionary feature for standardizing company writing rules
  • High-precision proofreading specialized for Japanese text
  • Editing features also improve readability

Cons

  • Free trial requires attending an online briefing
  • No text generation feature (specialized in proofreading and editing)
  • Monthly fee is somewhat higher than other proofreading tools
  • Learning curve due to extensive features

Frequently Asked Questions

Q. Can I use Bunken for free?

A. There is no standard free trial, but you can obtain a 1-week trial account by attending the official free online briefing and completing a survey. The paid plan is ¥2,178/month (tax included).

Q. How does Bunken differ from other proofreading tools?

A. Bunken is a proofreading and editing tool specialized for Japanese. It checks over 100 items, covering not just typos but also readability and expression improvements. The team dictionary feature can also be used to standardize writing rules across an organization.

Q. Can Bunken automatically generate text?

A. Bunken is a tool specialized in proofreading and editing, and does not have text generation capabilities from scratch. It is designed to improve the quality of already-written text. You can receive text improvement suggestions through the AI Assist feature.

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