MadEdit 是個精巧的文字編輯器，
具備了許多功能如：
語法顏色顯示、
支援多種編碼(Big5,GBK,UTF-8/16/32)並可隨時改變編碼、
十六進位/區塊模式、
正規表示式搜尋/取代。
MadEdit 目前在 Linux 與 Win32 平台上都可執行，
也有中文語系檔，對中文支援良好。
介面簡單清爽，開啟程式快速，
是居家必備的文字編輯器。MadEdit 是一款非常优秀的、跨平台的、免费的文本/十六进制编辑器。目前，MadEdit 主要包括列编辑、正则查找和替换、十六进制编辑、内码转换、速度快、支持 Linux 和 Windows 等特色。
- MadEdit can run under Linux, FreeBSD and MS-Windows platforms.
- Edits files in Text, Column and Hex modes.
- In Hex-Mode, MadEdit can open large files which size is up to 32GB (INT_MAX*16).
- Users can change the encoding of files at runtime like Web-Browsers.
- Supports many encodings, e.g. Unicode(UTF-8, UTF-16/32 with Little or Big Endian), Big5, GBK and S-JIS etc.
- Supports Unicode CJK Ext-B.
- If users input a character that is not supported by current encoding, this character will be converted to U+XXXX. Unicode format.
- Regular Expression search & replace (by using Boost.Xpressive).
- Opens multiple files on single instance.
- Supports syntax-highlighting of many programming languages, e.g. awk, C/C++, CSS, diff/patch, D, DOS Batch Script, Flash ActionScript, HTML, Java, JavaScript, JSP, Lua, Pascal, PHP, Perl, Python, Ruby, UNIX Shell Script, x86 Assembly, XML, Fortran, TeX/LaTeX, Squirrel, C#, Visual Basic, ASP(VBScript), SQL, Verilog, VHDL.
- MadEdit can view ASCII-Art files under Win32 platform.