Adobe Acrobat Online vs PDF Slim
Which one should you pick? We compared pricing, privacy, and features after hands-on testing both tools.
| Feature | Adobe Acrobat Online | PDF Slim |
|---|---|---|
| Pricing | Freemium | Free |
| Local processing | ✗ Server-side | ✓ Yes — files stay on device |
| Sign-up required | Yes | No |
| Our rating | ★ 4.4 | ★ 4.5 |
The verdict
PDF Slim 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 Adobe Acrobat Online if: Professionals and businesses needing a complete PDF suite.
Choose PDF Slim if: Users who need to hit a strict upload limit (government portals, job applications) without uploading private documents to a third-party server.