FernPDF vs typical online PDF tools
The typical online PDF service is a polished, popular web suite with a long tool list and mobile apps. If you're weighing one of those against FernPDF, the real difference isn't the menu of tools. It's the architecture underneath it.
Almost every online PDF tool works the same way: you upload your file to its servers, it processes the file there, and it hands you a download link. The privacy policy usually promises the upload is deleted after a retention window. FernPDF works the opposite way: the processing engine runs in your browser, so there is no upload, no server copy, and no retention window to trust. You can confirm it yourself in the network tab.
Competitor details describe their publicly documented, server-based architecture in general terms and may change. Always check their current terms and pricing.
Where Online PDF tools can be stronger
- Larger tool catalogs, including server-grade conversions (full-layout PDF↔Office) that browsers can't match yet
- Native mobile and desktop apps
- Batch processing across many files on paid plans
- Years of production maturity and broad language coverage
The honest verdict
Reach for a server-based online suite when you need its heaviest conversions or its apps, and the documents aren't sensitive.
Reach for FernPDF when the document matters: contracts, statements, IDs, medical records, anything you'd hesitate to upload. The everyday tasks (merge, split, compress, convert, edit) are free, unlimited, and never leave your machine.