A Modern
PDF24 Alternative.
Love PDF24 but hate installing software or uploading files? We've brought the power of a desktop PDF suite directly into your browser. No upload, no account, no install.
Why a browser-based approach is better
| Feature | Fast Private PDF | PDF24 (Online) |
|---|---|---|
| Installation | ✓ None (Instant) | ✗ Often recommended |
| Data Privacy | ✓ Local (Zero-Knowledge) | ✗ Server Upload |
| Speed | ✓ Native Browser Speed | ✗ Upload → Process → Download |
| Offline Capability | ✓ Works Offline | ✗ Online Only |
| Account required | ✓ Never | ✗ For some cloud features |
| Cost | ✓ Free forever | ✓ Free |
Why people switch from PDF24
Desktop installer isn't always wanted
PDF24's desktop app requires installing Windows software just to work with a PDF. FastPrivatePDF needs no installer on any platform.
Online version still means an upload
Skip the install and you're back to uploading files to PDF24's servers. FastPrivatePDF processes everything inside your browser instead.
One tool, zero setup
No installer, no account, no upload — FastPrivatePDF works the same way on a phone as it does on a laptop.
Professional PDF tools without the bloat
PDF24 is a respected tool, but the modern web allows for something better. Instead of uploading your files to a server or installing a heavy application, we use Client-Side Processing.
This means your document is processed by your computer's own CPU. It's faster, more secure, and works across any device—from a MacBook Pro to an Android phone—without a single byte ever leaving your device.
Everything you need, nothing you don't
Whether you need to merge multiple files, shrink for email, or encrypt sensitive data, you get a professional outcome with a privacy-first philosophy.
Frequently asked questions
- PDF24 offers both a desktop app and an online tool. The desktop app requires installing Windows software. FastPrivatePDF needs no installation at all — it runs in any browser.
- Skipping the PDF24 installer means using their online tool, which uploads your file to their servers for processing. FastPrivatePDF processes everything locally in your browser instead.
- The PDF24 desktop app runs locally but requires installing software on Windows. The PDF24 online tool needs no install but uploads your file to a server. FastPrivatePDF avoids both trade-offs — no install, no upload.
- Yes. FastPrivatePDF works entirely in your browser on any device — desktop, phone, or tablet — with zero installation and zero file uploads.