FPDF is a PHP PDF class which allows to generate PDF files with pure PHP, that is to say without using the PDFlib library. From FPDF stands for Free: you may use it for any kind of usage and modify it to suit your needs.

FPDF has other advantages: high level functions. Here is a list of its main features:
- Choice of measure unit, page format and margins
- Page header and footer management
- Automatic page break
- Automatic line break and text justification
- Image support (JPEG, PNG and GIF)
- Colors
- Links
- TrueType, Type1 and encoding support
- Page compression

FPDF requires no extension (except zlib to activate compression and GD for GIF support). It works with PHP 4 and PHP 5 (the latest version requires at least PHP 4.3.10).