A free PDF toolset best known for its downloadable Windows desktop app, alongside a free web-based tool set. No account required for either.
The comparison below focuses on cost model, account requirements, and where files are processed — the factors that matter most for everyday use — alongside a few feature differences specific to PDF24. Pricing details and specific plan names can change over time, so we've described the general model rather than quoting figures that could go stale; check PDF24's own site for current plan specifics before deciding.
Side-by-side comparison
| Factor | PDFly | PDF24 |
|---|---|---|
| Cost model | Free, browser-based, no account | Free; both a desktop app (primarily Windows) and web tools |
| Account required | No | No |
| Platform | Any device with a modern browser | Desktop app is Windows-focused; web tools work cross-platform |
| Installation required | No — nothing to install | Optional desktop app installation for the full feature set |
| AI-assisted tools | Yes, five dedicated AI tools | Limited AI-assisted features |
Frequently asked questions
No. Every PDFly tool runs directly in your browser on any device. PDF24 offers an optional desktop app for Windows users who want it, alongside its web tools.
Yes, PDF24's core tools are free to use. The main difference is delivery: PDF24 leans on a downloadable desktop app, while PDFly is entirely browser-based.
PDF24's AI-assisted features are more limited. PDFly offers five dedicated AI tools free with no account.
Explore more