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Nanopad

A modern, fast Win32 text editor in the spirit of classic Notepad.

DownloadWindows Source

Nanopad is a small, portable, MIT-licensed open-source Win32 text editor in the spirit of the classic Windows Notepad. Simple text editing, with no accounts and no telemetry. It is a single executable that drops anywhere and keeps all of its settings in an .ini file right beside it.

Features

  • Modern editing: Find & Replace (match case, replace all), Go To Line, word wrap, zoom via Ctrl+mouse wheel or Ctrl+Plus/Minus, and printing with headers, footers, and page numbers.
  • Dark & light themes: follows the Windows system theme automatically, with a manual override. The title bar, menus, scrollbars, and status bar are all themed.
  • Smart file handling: encoding detection (UTF-8, UTF-8 BOM, UTF-16 LE/BE, ANSI), drag-and-drop to open, automatic reload when a file changes on disk, and memory-mapped I/O for large files.
  • Crash & shutdown recovery: autosaves unsaved text and restores it after a crash, power loss, or a Windows Update reboot.
  • DPI-aware: fonts, menus, and the status bar scale correctly, even when you drag the window between monitors.
  • Notepad replacement: optionally redirect every notepad.exe launch to Nanopad (reversible), add it to the Windows “Open with” menu, or add an “Edit with Nanopad” entry to the Explorer right-click menu.
  • Portable: one exe, with settings stored in nanopad.ini and no registry writes.
Screenshots
Nanopad in dark mode
Nanopad in light mode