Removes owner-level password restrictions from PDFs so you can edit, print, or copy content from protected documents. No signup or account required. Everything runs locally in your browser — nothing is uploaded.
Remove password protection from multiple PDF files at once. Batch unlock protected documents when you know the password. Everything runs locally in your browser — nothing is uploaded.
Encrypts a PDF with a user-chosen password using AES-128, restricting opening, printing, and copying as specified by the owner. Everything runs locally in your browser — nothing is uploaded.
Performs pixel-level and text-level comparison of two PDF files, highlighting every difference with color-coded overlay annotations. Everything runs locally in your browser — nothing is uploaded.
Calculate password entropy in bits to measure password strength against brute-force attacks. Everything runs locally in your browser — nothing is uploaded.
Generate password hashes using PBKDF2-SHA256 with 600,000 iterations for secure password storage. Everything runs locally in your browser — nothing is uploaded.
Unlock PDF lets you removes owner-level password restrictions from PDFs so you can edit, print, or copy content from protected documents. No signup or account required. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Removes owner-level password restrictions from PDFs so you can edit, print, or copy content from protected documents. No signup or account required. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Upload a file from your device. Drag and drop or use the file picker to select your document.
Yes. After the initial page load, Unlock PDF runs entirely on your device with no internet connection needed. All processing is done locally.
Removes owner-level password restrictions from PDFs so you can edit, print, or copy content from protected documents. No signup or account required. All processing runs locally in your browser — no files are uploaded to any server.
Yes. Your PDFs never leave your device. All operations happen in-browser using pdf-lib or similar local libraries.
Standard PDF files (versions 1.0–2.0). Encrypted or password-protected files may need to be unlocked first.
No hard limits, but very large PDFs (500+ pages or 100MB+) may process slower on low-memory devices.
Redact PDF
Permanently remove sensitive information from PDF files. Black out text, images, or areas with permanent redaction. Perfect for legal documents, contracts, and personal data protection.
Whiteout PDF
Cover sensitive or unwanted content in PDF files with white rectangles. Select entire pages or custom areas to hide text, images, or sections before sharing or printing.