Free Digital PDF Signature Tool 2025 – Sign PDFs Online

What is a PDF Signature Tool?

A PDF Signature Tool lets you sign, edit, and annotate PDF files online without the need for complex software.

With our tool, you can upload any PDF and add a legally valid electronic signature within seconds.

Why Choose This Online PDF Signing Tool?

Unlike traditional PDF editors, this tool is free, secure, and works on any device. It offers advanced features like text editing, multi-language support, and instant PDF downloading after signing.

Key Benefits

Here’s why professionals and individuals love our PDF Signature Tool:

• Free PDF signing with no hidden charges
• Secure online PDF editor with SSL protection
• Supports typed, drawn, and uploaded signatures
• Add text, highlights, and annotations
• Works on desktop, tablet, and mobile devices
• Multi-language interface for global users
• No software download required
• Instant PDF download after signing

Fast, Free & Secure PDF Signing

Sign and edit PDF files instantly — no sign-up required.

Trusted by thousands of users worldwide for quick, secure, and professional PDF editing.

How to Sign a PDF Online

1. Click on 'Upload PDF' to choose your document
2. Draw, type, or upload your electronic signature
3. Drag and place the signature anywhere on the PDF
4. Click on the added signature (or other element) to resize, move, or remove it manually
5. Add text, notes, or highlights if needed
6. Use Undo/Redo (Ctrl+Z / Cmd+Z) to revert or reapply your last action
7. Click 'Download PDF' to save your signed document