Read comfortably
Tabs, thumbnails, bookmarks, search, night mode and dark theme.
FREE PDF READER AND EDITOR FOR WINDOWS
trkPDF 1.0.0Your PDFs.
Your possibilities.
Read, mark up, edit and organize your PDFs – fast, private and free. No account, no ads, no cloud.
64-bit Windows 8, 8.1, 10 or 11. Windows 8 and 8.1 require installed updates.
trkPDF / Windows x64 / AGPL v301 / trkPDF
A closer look at trkPDF
Sample document and the English / German start screens. Numbers in the sample document are illustrative data.
Sample document
Start · English
Start · Deutsch
02 / trkPDF
Read. Mark up.
Edit. Organize.
Mark up
Highlight, underline, strike through, draw, add text, images and signatures.
Edit text
Replace or delete text with full Unicode support.
Organize pages
Rotate, delete, reorder, merge, split and extract pages.
Private by design
Works offline. No tracking, no telemetry, no account.
4 languages
Türkçe, Deutsch, Español, English – chosen in the installer.
Save, encrypt and print
Undo and redo, compressed saving, AES-256 encryption, printing and exporting a page as an image are available.
Your documents stay on your computer.
trkPDF works offline, with no ads, account or telemetry. Documents are not sent to a cloud service. Preferences such as language, theme and recent files are saved locally.
Good to know
- Text editing replaces text in the selected area. The original font may not be preserved exactly.
- OCR, form filling and digital signatures are not supported yet. An inserted signature image is not a digital signature.
- The installer is not digitally signed. Windows may show an unknown publisher notice.
03 / trkPDF
Make more of your PDFs.
Choose the installer or portable edition. Both are free.
Windows installer
Choose your language and install in your user account. No administrator rights required.
Download installer ↓File verification · SHA-256
8e7bc79371b7b347ca74a2ce3985333cd40b06e024eb8d66e3692c2c045e726bPortable edition
Extract the entire ZIP and open trkPDF.exe. It also runs from a USB drive; settings stay in its data folder.
Download portable ZIP ↓File verification · SHA-256
ef1da72aca2aadfff5ff2505065aaeee0758c6dd12bbe673818d632925dc454164-bit Windows 8, 8.1, 10 or 11. Windows 8 and 8.1 require installed updates.
Silent installation
For IT administrators and application bundles. /L= accepts tr, de, en or es. This website does not run the command automatically.
trkPDF-Setup-1.0.0.exe /S /L=en /NODESKTOPGNU AGPL v3
The source is here, too.
trkPDF is free software under GNU AGPL v3, with no warranty. The source package includes app code, installer and build files.
Download source code ↓1.0.0 · 0.8 MB
File verification · SHA-256
9890077eb9956649fd95453f1d2551f13ca209639e9ff852a2624ed2b5200850FAQ
Frequently asked questions
Is trkPDF free?
Yes. Both editions are free. All programs published on EXETRK are free.
How do I use the portable edition?
Extract the entire ZIP to a folder and start trkPDF.exe. No installation is needed.
Is a signature image a digital signature?
No. You can insert an image such as a transparent PNG; cryptographic digital signatures are not available yet.
Can I download Klarwerk as well?
Both apps are available as separate downloads from EXETRK. A combined setup assistant has not been released yet.