# RE:Notepad: rebuilding Windows 10 Notepad behavior in Rust

> RE:Notepad reconstructs Windows 10 Notepad behavior in a Rust and Win32 editor with a Windows 11-style interface. The author reports using REA and Ghidra to inspect notepad.exe and records function-linked findings on encoding detection, line endings and editing behavior in a separate specification.

- Type: Case study
- Targets: App · Binary
- Category: Community REA investigations
- Relationship: Author-reported mixed workflow
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-08
- Original resource: <https://github.com/nikkoxgonzales/RENotepad>
- Primary source: <https://github.com/nikkoxgonzales/RENotepad/blob/bcd157ef011d465567c62353e954a2f84ba8cc0d/README.md>
- Catalog page: <https://awesomerea.org/resources/renotepad-case/>
- Record JSON: <https://awesomerea.org/resources/renotepad-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/renotepad-case/index.md)

## Requirements & limits

- **Prerequisites:** Windows 10 or 11, 64-bit, to run the app.
- **Prerequisites:** Rust MSVC toolchain and Windows SDK to build from source.
- **Scope:** The specification uses Windows 10 22H2 notepad.exe version 10.0.19041.5856 as its reference.
- **License:** MIT license.

## Primary sources

1. <https://github.com/nikkoxgonzales/RENotepad/blob/bcd157ef011d465567c62353e954a2f84ba8cc0d/README.md>
2. <https://github.com/nikkoxgonzales/RENotepad/blob/bcd157ef011d465567c62353e954a2f84ba8cc0d/docs/WIN10-NOTEPAD-SPEC.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.