Sign PDF

About Sign PDF Online Tool

Our free Sign PDF tool lets you add professional digital signatures to any PDF document directly in your browser. Whether you need to sign a contract, an agreement, or any form, this tool makes it fast, easy, and completely free with no software installation required.

With support for both text signatures and image signatures, you can type your name or upload an image of your handwritten signature. Choose from multiple placement positions to add your signature exactly where it needs to appear on the document.

All processing is handled securely on our servers with automatic file cleanup. Your signed PDF maintains the original document quality and formatting, ensuring your documents look professional and are ready for immediate use.

Key Features

• Add text-based signatures by typing your name or initials
• Upload custom signature images (PNG, JPG) for authentic handwritten look
• Choose from five precise placement positions: top-left, top-right, bottom-left, bottom-right, and center
• Preserve original PDF quality and document formatting
• Support for PDF files up to 50MB in size
• Fast server-side processing with real-time progress tracking
• No watermarks added to your signed documents
• Drag-and-drop file upload for convenience
• Automatic file cleanup after processing for security
• Works on all devices including mobile, tablet, and desktop

How to Use

1. Upload your PDF: Click the upload area or drag and drop your PDF file into the designated zone.
2. Choose signature type: Select either "Text Signature" to type your name or "Image Signature" to upload a signature image.
3. Enter or upload signature: Type your name in the text field or upload a PNG/JPG image of your signature.
4. Select position: Choose where the signature should appear on the PDF page from the position dropdown.
5. Sign the PDF: Click the "Sign PDF" button to process your document.
6. Download result: Once processing is complete, download your signed PDF using the download button.

Use Cases

• Business contracts: Sign contracts, NDAs, and business agreements without printing or scanning.
• Employment documents: Sign offer letters, onboarding forms, and HR paperwork digitally.
• Legal documents: Add signatures to affidavits, declarations, and legal forms quickly.
• Academic submissions: Sign student forms, research papers, and academic agreements.
• Real estate: Sign lease agreements, rental contracts, and property documents remotely.
• Medical forms: Sign consent forms, patient intake documents, and medical authorizations.
• Government paperwork: Add signatures to tax forms, applications, and official documents.
• Freelance work: Sign invoices, proposals, and client agreements from anywhere.

Frequently Asked Questions

Tips & Best Practices

• Use a transparent PNG: For image signatures, use a PNG with a transparent background for the most professional appearance.
• Choose the right position: Most formal documents expect signatures at the bottom-right of the page.
• Keep signature images clean: Scan your signature on white paper and remove the background for best results.
• Verify before sending: Always download and review your signed PDF before sharing it with others.
• Use consistent signatures: Keep the same signature style across all documents for professional consistency.
• Check file size: Ensure your PDF is under 50MB before uploading for smooth processing.