Links

PHP Backward Compatibility

Fix htmlspecialchars() in PHP 5.4+ for Latin1 . . .
Emulate PHP’s original mysql extension with mysqli . . .

File Conversion

Create PDFs, Convert PDF to Excel, Word, Powepoint and other formats
Audioconverter
Convert many file formats

VBA-Tutorials

Excel

Text Tools

/ (search and replace text)
(creates a diff)
(encodes/decodes url, base64, does sorts, remove duplicates etc.)
(generates references in many formats)
(vancouver style how-to)
Fancy Text Generator
Text Converter

Deutsch

Fragen an Dr. Bopp:
Wissenssammlung:
Deutsch to IPA:

JavaScript

Variable name validator
Diagrams