PDFLock: Secure PDF Tools

Take full control of your PDF files without sacrificing your privacy. PDFLock lets you protect, unlock, recover, organize, and edit PDFs entirely on your device. No internet required. No accounts. No cloud uploads. Your documents never leave your phone.

Whether you're handling contracts, tax forms, invoices, resumes, medical records, bank statements, or personal documents, PDFLock keeps everything private and secure.

🔒 PASSWORD-PROTECT YOUR PDFs

Add strong AES-256 encryption—the same security standard trusted by banks—to any PDF in seconds. Already know the password? Remove protection instantly and save an unlocked copy.

🔑 RECOVER YOUR PASSWORD SECURELY

Forgot the password you created? Recover it using Face ID or your fingerprint. Your passwords are securely stored only on your device, giving you exclusive access. No online PDF tool offers this level of privacy.

🗜️ COMPRESS PDFs WITHOUT LOSING QUALITY

Reduce file size for faster sharing through email, messaging apps, or cloud storage. Choose between Light, Balanced, or Maximum Compression depending on your needs.

🔀 MERGE & ✂️ SPLIT PDFs

Combine multiple PDFs into a single document with simple drag-and-drop page ordering. Need only certain pages? Extract exactly what you want. If one of the files is password-protected, unlock it during the merge process.

💧 ADD PROFESSIONAL WATERMARKS

Protect your documents with custom text or logo watermarks such as CONFIDENTIAL, DRAFT, or your company name. Preview everything before saving.

📁 SMART DOCUMENT MANAGER

Keep your PDFs organized with folders, favorites, and fast search. Everything stays stored locally on your device for maximum privacy.

🛡️ PRIVATE FOLDERS

Lock sensitive folders with Face ID, fingerprint authentication, or your device PIN. Only you can access your confidential files.

✅ WHY CHOOSE PDFLOCK?

• 100% OFFLINE — Works without an internet connection.

• COMPLETE PRIVACY — Files never leave your device.

• NO CLOUD STORAGE — No uploads. No accounts. No tracking.

• FAST & EASY — Powerful tools with a clean, intuitive interface.

• SECURE BY DESIGN — Ideal for sensitive personal and business documents.

• MULTILINGUAL — Available in English, Spanish, Portuguese, French, German, and Italian.

Open PDFs directly from email, cloud storage, messaging apps, or your browser using the Share menu and start editing instantly.

Perfect for protecting contracts, tax documents, invoices, pay stubs, resumes, IDs, certificates, school assignments, business files, and any PDF containing sensitive information.

Download PDFLock today and keep your PDFs secure, private, and always under your control.