Quick summary
PDF24 is a trusted German PDF toolkit, but the online version still uploads your files and the fully-private version requires installing a desktop app. PDFInOne gives you both: browser-based convenience AND no uploads, with 26 tools and zero setup.
Feature-by-feature comparison
| Feature |
PDF24 |
PDFInOne |
| Files uploaded to server (web) |
Yes — online tools upload |
No — processed in your browser |
| Requires install for privacy |
Yes — desktop app needed |
No — works in browser |
| Number of tools |
30+ tools |
26 tools |
| File size limit (web) |
Some tools limit to ~100 MB |
None (device RAM) |
| Watermarks on output |
None |
None |
| Registration required |
None |
None |
| Works offline |
Only with installed app |
Yes (after first load) |
| Mobile-friendly |
Web: yes, app: Windows/macOS only |
Yes (any device with a browser) |
| Pricing |
Free |
Free forever |
| GDPR / privacy risk (web) |
Files uploaded to PDF24 servers |
Files never leave your device |
Which one should you use?
PDF24 has an impressive feature range and a strong reputation — but the trade-off is real: you either use the web tools (which upload your files) or install their desktop app (Windows/macOS only).
PDFInOne removes that trade-off. All 26 tools work directly in your browser on any device, and nothing is ever uploaded. You get the convenience of a web tool with the privacy of a desktop app.
For teams who can't install software on locked-down work machines but still need privacy, PDFInOne is the practical choice.
Frequently Asked Questions
Is PDFInOne more private than PDF24 online?
Yes. PDF24's online tools upload files to their servers for processing. PDFInOne runs 100% in your browser using WebAssembly, so your files never leave your device.
Do I need to install anything to use PDFInOne?
No. PDFInOne works in any modern browser (Chrome, Firefox, Safari, Edge) on Windows, macOS, Linux, iOS, and Android. No install, no download.
Does PDFInOne work on iPhone or Android like PDF24?
Yes. PDFInOne is fully mobile-friendly. PDF24's private desktop app is Windows/macOS only — PDFInOne works on any device with a browser.
Is PDFInOne made in Germany too?
PDFInOne is a privacy-first PDF toolkit with EU-friendly architecture. Because files are never sent to any server, data-residency questions don't apply — the processing happens on your device.
Is PDFInOne free forever like PDF24?
Yes. 26 tools, no registration, no limits, no ads on the tool pages, free forever.