Step-by-Step Guide
How to Protect PDF Online in 3 Simple Steps
BloomPDF makes it fast and completely private to process your documents directly in your web browser.
1
Select PDF File
Upload the PDF you want to protect with a password.
2
Set Password
Enter a strong password to lock the document.
3
Encrypt & Download
Click 'Protect PDF' to apply encryption and save the protected PDF.
Competitor Comparison
Why BloomPDF is Better Than iLovePDF & Adobe Acrobat
Unlike traditional cloud converters that require uploading your private files to remote servers or paying high monthly subscription fees, BloomPDF processes everything locally on your device.
| Feature | BloomPDF (bloompdf.app) | iLovePDF | Adobe Acrobat |
|---|---|---|---|
| Source Code Transparency | 100% Open Source (GitHub) | Closed Source (Proprietary) | Closed Source (Proprietary) |
| File Privacy | 100% Client-Side (No Uploads) | Uploaded to Cloud Servers | Uploaded to Adobe Cloud |
| File Size Limits | Unlimited | Limited on Free Plan | Quota Restricted |
| Pricing & Paywalls | 100% Free Forever | Freemium / Premium Tier | $19.99 / month |
| Account Required | No Registration | Optional / Recommended | Required Adobe ID |
Answer Engine FAQs
Frequently Asked Questions
QWhat encryption standard does BloomPDF use?
BloomPDF uses industry-standard 128-bit and 256-bit AES encryption to lock your files.
QCan someone decrypt my password without the key?
No. Without the correct password, AES encrypted PDFs cannot be opened or read.