Sign PDF

Add electronic signatures to contracts, agreements, and forms. Draw your signature, type in cursive font, or upload an image. 100% private, zero uploads.

Private • In-browser processing • Zero server uploads

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How to Use Sign PDF

1
Select or Drop PDF
Drag and drop your PDF file onto the workspace dropzone.
2
Configure Settings
Choose your preferred parameters, pages, or layout options.
3
Process and Download
Click the action button to process and download your resulting document instantly.

Key Features

100% Client-Side Processing
Your sensitive documents never leave your local web browser.
High-Fidelity PDF Engine
Powered by WebAssembly and native standard vector operations.
Instant Local Generation
Zero server uploads, zero wait times, and zero privacy risks.
Privacy by Design
Fully functional offline with zero analytics or remote tracking.

Common Use Cases

  • Streamlining business and administrative workflows requiring Sign PDF.
  • Handling sensitive financial, medical, or legal documents with strict data privacy.
  • Assembling and refining multi-page reports, presentations, and applications.
  • Fast, lightweight PDF processing on mobile devices or laptops without installing heavy software.

Frequently Asked Questions

No. All PDF operations are executed entirely inside your browser using client-side JavaScript. Files never touch any remote server.

Yes. The Ai Toolz is fully responsive and functions smoothly on iOS Safari, Android Chrome, and modern tablet browsers.

You can process PDF documents up to 512 MB directly in your browser's local memory.

Edit PDF
Add text, shapes, images and annotations to any PDF page in your browser.
Protect PDF
Set an open password on a PDF to restrict who can view it.
PDF Form Filler
Fill in PDF form fields (AcroForms) and save the completed form.
Watermark PDF
Add a text or image watermark to every page of a PDF with custom opacity.
Flatten PDF
Flatten form fields and annotations into static content for universal compatibility.