Xpdf
| Xpdf | |
|---|---|
 | |
 XpdfReader 4.0 screenshot | |
| Developers | Glyph & Cog |
| Release | December 12, 1995 |
| Stable release | 4.06 
/ 14 November 2025 |
| Operating system | Linux, Windows, macOS, FreeBSD, OpenVMS |
| Type | PDF viewer |
| License | GPL-2.0-only or GPL-3.0-only or proprietary |
| Website | xpdfreader |
Xpdf is a free and open-source PDF viewer and toolkit based on the Qt framework. Versions prior to 4.00 were written for the X Window System and Motif.