100% Client-Side Privacy

PDF Password Lock & Unlock

Last Updated: ✓ Verified

PDF ko offline password se secure karein ya locked PDF se password permanently hatayein instantly.

Password Lagayein (Lock)
Password Hatayein (Unlock)
Apni PDF File Yahan Upload Karein
Drag & drop karein ya computer se PDF file select karein
100% Safe: Sabhi processing browser mein locally hoti hai
Processing PDF... 0%

Engine running... local memory mein encryption chal raha hai.

Success! Process Complete

Aapki file download ke liye tayyar hai. Zero server uploads.

Frequently Asked Questions

1. PDF Lock karne se data privacy safe rehti hai?
Haan, bilkul! PDF password protection standard format mein encrypted bytes create karta hai. Kyunki humara tool 100% offline runs locally on your browser karta hai, aapka custom password aur PDF document kabhi bhi humare ya kisi server par share nahi hote. Security and privacy is 100% guaranteed.
2. Kya locked PDF ka password bhul jaane par tool se direct hack kiya ja sakta hai?
Nahi. PDF Standard Encryption structure ko break karna browser level par impossible hai. PDF Unlock feature sahi current password provide karne par uske protection restrictions ko permanently strip karne mein help karta hai taaki future mein password bina open ho sake.
3. Browser tools par heavy files lock and unlock ho sakti hain?
Humare tool mein high performance optimization code aur modern libraries are used. Aap up to 50MB-100MB heavy PDFs ko bhi bina speed lag ke instantly password protect or decrypt locally kar sakte hain, jo direct memory stream handling se instantaneous result deta hai.

What Users Say

"SSC form ke liye photo resize karna bahut aasaan ho gaya. Ek click mein exact 20KB mil gayi!"

Rahul S. — SSC Aspirant, Delhi

"Best tool hai! ILovePDF se zyada fast aur bilkul free. Mobile pe bhi perfectly kaam karta hai."

Priya M. — Student, Mumbai

"Aadhar PDF under 200KB karna tha government portal ke liye. Ek minute mein ho gaya. Amazing!"

Amit K. — Govt Employee, UP

4.9/5 average rating from 1,200+ verified users

PDF Password Protection — AES-256 Encryption & Security Guide

Confidential financial statements, bank passbooks, salary slips, Aadhaar cards, aur legal contracts ko secure email ya WhatsApp ke jariye share karne se pehle password protect karna sensitive information safeguarding ke liye zaroori hai. PDF Password Lock tool AES-256 bit standard encryption algorithm ka upyog karke PDF files ko highly secure banata hai.

Key Security Features & Encryption Specs

Best Practices for Secure PDF Document Sharing

Confidential business documents ya personal ID proofs online share karte waqt strong combination password (uppercase, numbers, special symbols) set karein. Password recipient ko encrypted message channel se separately send karein taaki third-party access intercept na kar sake.

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