Text Editor for Windows

GreenPad

A lightweight, fast Notepad replacement for Windows x64 — with Unicode support, syntax highlighting, and powerful regex search.

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About

Hi, I'm Aile2017, a developer with a passion for programming and software development.

  • Languages: C++, JavaScript, Python, HTML/CSS
  • Interests: Desktop apps, Open source
  • Location: Tokyo, Japan
Aile2017

Projects

Featured Project

GreenPad Text Editor

A lightweight, fast text editor for Windows x64 — designed as a modern Notepad replacement with a clean interface and powerful editing features.

  • Unicode 14.0 support
  • Proportional font rendering
  • Syntax highlighting (customizable via .kwd files)
  • Regular expression search powered by PCRE2
  • Charset auto-detection via libchardet (optional)
  • Wide encoding support: UTF-8/16/32, EUC-JP, Shift-JIS, GB18030, and more
  • Word wrap (character or word boundary)
  • Smart indentation
  • UAC elevation support
  • UI languages: English, Japanese, Simplified Chinese, Traditional Chinese, Korean, Russian — extensible via .lng files
  • External filter (Ctrl+\): pipe selected text through any command-line program

C++ / Windows

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GreenPad-translations

Language files (.lng) for GreenPad, including additional languages beyond upstream and daily sync automation.

  • Maintains upstream languages and additional languages such as French and German
  • Daily upstream sync by GitHub Actions
  • Automatically inserts new keys with a [TODO] marker for translation workflow

Localization / Automation

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GreenPad-keywords

Syntax-highlighting keyword files (.kwd) for GreenPad, covering multiple languages and file formats.

  • Manages .kwd files used by GreenPad syntax highlighting
  • Covers both major and niche languages, with room for expansion
  • Defines case sensitivity, comment tokens, quoted strings, and escape handling

Syntax Highlighting / Definitions

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libchardet

Mozilla's Universal Charset Detector C/C++ API. Used by GreenPad for automatic character encoding detection.

C++

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pcre2

Perl Compatible Regular Expressions (PCRE2). Used by GreenPad to provide powerful regex search functionality.

C

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