TinyPDF is one of the world smallest PDF creation software. 586KB!

Features:

- No adware, No spyware, No malware, No watermarks, No popup - no catch!
- Completely FREE PDF Converter and Creator - not just a demo or trial version.
- Print to PDF from virtually any Windows application.
- No GhostScript or any 3rd-party software needed.
- High-quality, easy to use PDF creator.
- Append & Merge PDF files after conversion. (FREE PDF Merge Plug-in is required)
- Large paper size support for desktop publisher and CAD engineers.
- JPEG compression and Bicubic downsampling to produce smaller PDF files.
- Automatic font embedding for characters in all languages.
- Support Citrix and Microsoft terminal server environment.
- Uninstaller included.
- Now supports 32-bit Windows Vista.
- FREE for personal and commercial use!