Protect & Unlock PDF — Free, No Upload
Add or remove password protection from PDF files. Encryption happens entirely in your browser.
🔐 Maximum Privacy
Your passwords and files never leave your device. Zero server involvement.
🛡️ Two-Way Tool
Add password protection or remove it from existing protected PDFs.
⚡ Instant Results
Encrypt or decrypt any PDF in seconds. No waiting, no upload.
How It Works
Simple steps — no signup, no software needed.
Upload PDF
Click or drag your PDF into the tool. Your file stays in your browser at all times.
Set Password
Enter a password to protect the PDF, or enter the existing password to unlock it.
Download Protected PDF
Download your password-protected or unlocked PDF instantly.
Why Use QuickImageHub?
Professional-grade tools with complete privacy and instant results.
Complete Privacy
All processing happens in your browser. Your files never leave your device — no server uploads, ever.
Instant Processing
No upload delays, no waiting queues. Processing starts instantly because everything runs locally.
Quality Preserved
Maintain original quality and formatting. No re-compression or quality loss during processing.
Works Everywhere
Use on any device with a modern browser — desktop, tablet, or mobile. No software installation needed.
No Limits
No file size caps, no daily usage limits, no premium tiers. Use as much as you need, completely free.
Works Offline
After the page loads, no internet required. Process files even without a network connection.
QuickImageHub vs Competitors
See why privacy-first matters.
| Tool | Uploads Files? | Daily Limit | Free? |
|---|---|---|---|
| QuickImageHub | ✅ No — 100% local | Unlimited | ✅ Always free |
| Smallpdf | ❌ Uploads to server | 2 / day | Freemium |
| iLovePDF | ❌ Uploads to server | Limited | Freemium |
| Adobe Acrobat | ❌ Uploads to server | 2 / day | Paid |
Frequently Asked Questions
Everything you need to know.