What is Red Pen?
Red Pen is an open-source proofreading tool used to detect various writing issues and suggest corrections. It analyzes documents written in over 20 languages including English, German, French, Japanese and supports file formats like Word, PowerPoint, HTML, Markdown, Text, etc.
Some of the key features of Red Pen include:
- Grammar checking - identifies issues like punctuation errors, tense errors, missing words, etc.
- Spelling correction
- Style checking - flags issues like passive voice, weak verbs, wordy phrases, etc.
- Localization checks - detects terminology, consistency and other issues when writing for international audiences
- Customization - allows creating custom checks and dictionaries based on specific writing guidelines
- Blacklisting - option to suppress false alarms on valid words/phrases
- Report generation - results can be exported into text, csv, xml reports
- Plugin architecture - supports extending functionality via Java and other plugins
- Actively maintained open-source project with 150+ contributors
Overall, Red Pen aims to help writers and translators produce clean, consistent and error-free documents that adhere to style rules and terminology guidelines.