Here are the features of Notepad++ :

- Supported languages : C, C++, Java, C#, XML, HTML, PHP, CSS, makefile, ASCII art (.nfo), doxygen, ini file, batch file, Javascript, ASP, VB/VBS, SQL, Objective-C, RC resource file, Pascal, Perl Python, Lua, TeX, TCL, Assembler, Ruby, Lisp, Scheme, Properties, Diff, Smalltalk, Postscript, VHDL, Ada, Caml, AutoIt, KiXtart, Matlab, Verilog, Haskell, InnoSetup, CMake, YAML, WYSIWYG
- For most supported languages, user can make his/her own API list (all API files are included in this download). Once the api file is ready, type Ctrl+Space to launch this action.
- You can edit several documents at the same time.
- You have two views at same time. That means you can visualize (edit) 2 different documents at the same time (screenshot). You can visualize (edit) in the 2 views one document at 2 different positions as well. The modification of document in one view will carry out in another view (i.e. you modify the SAME document when you are in clone mode.
- You can search and replace one string in the document by using the regular expression.
- You can open a document by drag & drop. You can also move your document from a position (or even a view) to another by drag & drop.
- You user can set the position of the views dynamically (only in 2 views mode : the splitter can be set in horizontal or in vertical), see screenshot.
- If you modify or delete a file which opened in Notepad++, you will be notified to update your document (reload the file or remove the file).
- The Chinese, Japanese, Korean, Arabic and Hebrew Windows environments are supported.
- User can just click on the bookmark margin (located right side of line number margin) or type Ctrl+F2 to toggle a book mark. To reach the bookmark, type just F2 (Next bookmark) or - When the caret stay beside of one of those symbol { } [ ] ( ) , the symbol beside of caret and its symmetric opposite symbol will be highlighted, as well as the indent guideline (if any) in order to locate the block more easily.
- Macro recording and playback

Plugins: Colour Picker, Compare Plugin, ConvertExt, DBGP plugin, Doc Updater, Explorer plugin, FTP_synchronize, Function List, Gmod 10 Lua Syntax Highlighter, Hex Editor, HTMLTag, Insertion, Light Explorer, Log plugin, MultiClipboard, NativeLang, NppExec, NppExport, QuickText, SearchInFiles, SecurePad, Simple script, SpeechPlugin, Spell-checker, TextFX, WindowManager, XML Tools

Languages: albanian, arabic, aranese, basque, belarusian, brazilian portuguese, bulgarian, catalan, chinese, chinese Simplified, croatian, czech, danish, dutch, extremaduran, farsi, finnish, french, galician, georgian, german, greek, hebrew, hungarian, indonesian, italian, japanese, korean, lithuanian, norwegian, nynorsk, polish, portuguese, romanian,,russian, samogitian, serbian, slovak, slovenian, spanish, spanish argentina, swedish, thai, turkish, ukrainian.

API: c., coldfusion, cpp.api, cssColors, dcl, flash, fortran, java, javascript, kiXtart, lisp, NotepadPlusPlus-csharp, nsis, pascal.api, python, ruby, smarty, tex, vb, vhdl, winbatch, xml