PDF24 Tools vs Stirling PDF
Which one should you pick? We compared pricing, privacy, and features after hands-on testing both tools.
| Feature | PDF24 Tools | Stirling PDF |
|---|---|---|
| Pricing | Free | Free |
| Local processing | ✗ Server-side | ✓ Yes — files stay on device |
| Sign-up required | No | No |
| Our rating | ★ 4.3 | ★ 4.4 |
The verdict
Stirling PDF is the only one of the two that processes files locally — your data never leaves your device. If privacy matters to you, that alone settles it.
Choose PDF24 Tools if: Users who want many free PDF utilities without signing up.
Choose Stirling PDF if: Developers and privacy-focused users who can run Docker.