iLovePDF Alternative — DukPdf
iLovePDF is a cloud-based PDF tools site. Every action uploads your document to iLovePDF servers. DukPdf is an iLovePDF alternative built around a simple idea: your files should never leave your device.
Feature comparison
| Feature | DukPdf | iLovePDF |
|---|---|---|
| Where your file is processed The single biggest distinction between local-first and cloud-first PDF tools. | In your browser (WebAssembly). Files never leave your device. | On iLovePDF servers. Files are uploaded, processed, then deleted after a retention window. |
| Account required | No account required. | Optional account for Premium; some features locked behind sign-in. |
| Watermark | No watermark. | No watermark on most free actions. |
| Free task / hourly limits | No hourly limit. Process as many files as your browser can handle. | Free tier throttles certain tasks; heavier tools require Premium. |
| File size cap | Limited only by your browser memory (typically hundreds of MB). | Free tier has a per-file size cap (commonly ~100 MB depending on tool). |
| Works offline | Yes — once the tool has loaded, it runs without an internet connection. | No — every action requires an internet round-trip to the server. |
| Price | Free to use right now, no paid tiers. | Free tier + iLovePDF Premium subscription for unlimited access. |
Data last verified 2026-04-24 against the public iLovePDF documentation.
Why DukPdf is different
iLovePDF is a capable cloud PDF service. DukPdf is different at the architecture level: every tool runs inside your browser using WebAssembly, so your files never travel over the network. There is nothing for us to store, log, or leak — there is no upload at all. That also means DukPdf keeps working when you are offline, and there is no account to create before you get started.
Try DukPdf
All 25 tools are available now — browse the tool catalog.