Unlock PDF Online — Free, Fast & Secure
Remove password protection from your PDF files. Unlock PDFs to enable editing, printing, and copying. You must know the password. Our unlock pdf tool works entirely in your browser — no software installation required. Your files are encrypted with 256-bit SSL and automatically deleted after processing. No signup or account needed.
Whether you're on Windows, Mac, Linux, iPhone, or Android — our unlock pdf tool works perfectly on any device with a web browser. Process .PDF files up to 100 MB for free, or upgrade to Premium for files up to 4 GB with batch processing.
Why use our unlock pdf tool?
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Frequently Asked Questions
Is unlock pdf free?
Yes! Our unlock pdf tool is completely free for files up to 100 MB with up to 2 files per task. No signup, no credit card, no hidden fees.
Is it safe to unlock pdf online?
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What is the maximum file size?
Free users can process files up to 100 MB. Premium users enjoy increased limits up to 4 GB per file, plus batch processing for up to 10 files at once.
Does it work on mobile devices?
Yes, our unlock pdf tool is fully responsive and works on smartphones, tablets, laptops, and desktops. No app download required — just open your browser and start processing.