3.81

The classic Windows source-code editor — rebuilt for 64-bit Windows 10 and 11.

cedt-381-setup.exe · x64 · Windows 10 / 11

Crimson Editor 3.81 editing C++ source code on Windows, with the directory tree, file tabs, and syntax highlighting

Crimson Editor 3.81 on Windows 11

Crimson Editor is a professional source-code editor for Windows. It loads fast and stays small — small enough to fit on a single floppy disk — yet offers the powerful features real programming work needs for HTML, C/C++, Perl, Java, and many more.

190+

languages with syntax highlighting

∞

unlimited undo / redo

FTP

edit remote files directly

See all features →