Free Lock PDF Tool

Lock PDF

Add password protection to your PDF files. Your files never leave your device.

Drag & drop PDFs or click to upload

Up to 10 files • Max 10 MB each

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This tool is just a small part of Legitt AI. We're a complete contract management platform trusted by enterprises worldwide.

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Draft

AI-powered contract generation in seconds

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Review

Spot risks and get smart suggestions instantly

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E-Sign

Legally binding signatures, sent & tracked

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100% Private

PDFs encrypted locally nothing uploaded to servers

RC4 128-bit Encryption

Standard Lock PDF to protect your documents

Instant Processing

Fast encryption powered by your browser

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Security you can bet your business on.

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SOC 2 Type II Certified
GDPR
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