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.
Add password protection to multiple PDF files in one batch. Set user and owner passwords to control access and permissions. Everything runs locally in your browser — nothing is uploaded.
Removes owner-level password restrictions from PDFs so you can edit, print, or copy content from protected documents. No signup or account required.
Inserts page number labels at user-chosen positions (bottom-center, top-right, etc.) with configurable font, size, and starting offset. 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.
Protect PDF lets you 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.. It works on any device with a modern web browser.
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. 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, Protect PDF runs entirely on your device with no internet connection needed. All processing is done locally.
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. 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.
HEIC to PDF
Converts HEIC files to PDF format — Apple device photos to document sharing, printing, and archival with consistent formatting. All conversion happens locally in your browser with no file size limits.
PDF to Word
Extract PDF content into editable DOCX files. Preserves formatting and layout.
PDF Compressor
Reduces PDF file size by compressing embedded images, removing redundant metadata, and optimizing object streams. Three compression tiers let you choose between maximum size reduction and high-quality preservation. Handles PDFs up to 50MB.
Word to PDF
Converts .docx and .doc files to PDF while preserving fonts, tables, images, headers, and embedded formatting. Uses cloud-based processing.
JPG to PDF
Convert JPG images to PDF format in your browser. Lossless, private, and completely free — no uploads needed.
PDF to JPG
Convert PDF images to JPG format in your browser. Lossless, private, and completely free — no uploads needed.