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PDF Sign & Fill Studio
Add a real signature to any PDF. Type, draw, or upload your signature — then click or drag it anywhere on the page.
Step 1 — Upload PDF
Step 2 — Create Your Signature
How It Works
Simple, fast, and 100% secure in 3 steps.
Upload PDF
Select the PDF document you want to sign or fill.
Create Signature
Type, draw, or upload an image of your signature.
Click & Download
Click anywhere on the preview to place the signature, then save.
Key Features & Capabilities
Designed for accuracy, privacy, and maximum efficiency.
Sign Documents
Quickly sign contracts, invoices, and forms from your browser.
Click & Drag
Easily position your signature with pixel-perfect accuracy.
Private & Secure
All processing happens locally on your device. We never upload your PDFs.
Type or Draw
Use our built-in signature generator or draw your own with your mouse.
Image Upload
Upload a pre-made transparent PNG or JPG signature.
Lightning Fast
No server uploads mean instantaneous document rendering and downloading.
Signing PDF documents shouldn't require clunky desktop software, paid subscriptions, or risky online uploads. The Toolzium PDF Sign & Fill tool enables you to electronically sign any PDF entirely within your browser for free.
By leveraging advanced HTML5 Canvas APIs and pdf-lib, all document processing occurs natively on your device. This ensures your sensitive documents—whether they are NDAs, tax forms, or personal records—never touch our servers, providing unparalleled privacy and security.
Simply upload your document, choose whether you want to type, draw, or upload your existing signature, and then click anywhere on the page to stamp it exactly where you need it.
Frequently Asked Questions
Everything you need to know about using this tool.