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PDF SECURITY AND SIGNING · ONLINE
Sign PDF Online
Draw a signature and place it on your document.
Draw a signature and place it on your document. Work on the preview first; use numeric controls only when you need exact placement or sizing.
Use a stylus or touch screen for a smoother signature when available.
Choose PDF file
or drag and drop from your device
Processed locally in your browserProcessing happens inside your browser. Kaazo cannot access, store or transmit your files.
Sign PDF: what the output actually changes
Draw a signature and place it on your document.
A drawn signature is not a cryptographic digital signature
Placing a signature image or drawing on a PDF creates a visible mark. It doesn’t by itself create certificate-based identity verification or tamper-evident cryptographic signing.
A visible signature image is not the same as a certificate-backed digital signature with cryptographic identity validation.
The point where Sign PDF stops helping
Use a regulated e-signature or digital-signature platform when the workflow requires identity checks, audit trails or certificate validation.
FAQ
What does Sign PDF actually do?
Draw a signature and place it on your document.
What is the easy mistake to make here?
Placing a signature image or drawing on a PDF creates a visible mark. It doesn’t by itself create certificate-based identity verification or tamper-evident cryptographic signing. A visible signature image is not the same as a certificate-backed digital signature with cryptographic identity validation.
Does this replace a dedicated security or identity-verification service?
No. The tool performs the specific local operation described on the page. High-stakes signing, authentication, secret storage or compliance workflows can require specialised controls and audit trails.
Related tools
After Sign PDF, keep the boundary clear between this local operation and any wider identity, compliance or security workflow. The browser security guide has broader context if you need it.