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Sign PDF

Easily add digital signatures to your PDF documents online.

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Upload PDF File
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How to Electronically Sign a PDF Document in 3 Simple Step

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Upload a PDF

Pick a PDF file from your device and upload it. You can also add the file from your Dropbox folder.

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Add Signature

Create a signature or upload one from your device. Simply add signatures to the document.

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Download the File

Save the changes to your document, rename it, and save it to your local device.

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Why Sign a PDF?

Signing PDFs digitally transforms the way you handle essential documents. With our Sign PDF tool, you can add your signature in just a few clicks. Fill and sign PDF forms or digitally sign PDF agreements quickly with our tool.


  • Business Contracts: Quickly finalize contracts, NDAs, and service agreements digitally, speeding up business deals and reducing paper waste.
  • Financial Documents: Approve loan applications, mortgage agreements, and credit forms online for faster processing.
  • Academic Purposes: Sign assignment reviews, enrollment forms, or academic papers without the inconvenience of manual signatures.
  • Administrative Approvals: Easily sign internal documents such as expense reports, HR forms, or policy acknowledgments.
  • Healthcare Consents: Securely sign patient consent forms and medical records, ensuring quick and safe document authorization.

Digital signatures are legally binding in many regions, but laws may vary. We recommend checking local regulations to ensure responsible use. Our Sign PDF tool helps professionals, students, and small businesses manage documents securely and efficiently.

What is OCR PDF

Key Features of our PDF Signing Tool

Simple to Use

Simple to Use

Quickly add your signature or initials to any PDF. The interface is straightforward, making it easy even for beginners.

Multiple Signature Options

Multiple Signature Options

Choose your preferred method: type your signature with customizable styles, draw it directly using a pen tool, or upload a pre-scanned signature from your device.

Supports All PDF Versions

Supports All PDF Versions

It is compatible with all major PDF formats, so you don’t have to worry about file version compatibility when signing.

Free and Online

Free and Online

No hidden fees, software installations, or registrations are required. Access the e-sign feature instantly through your web browser.

Use from Any Device

Use from Any Device

Access the tool on a PC, Mac, iPhone, or Android. It works with popular browsers like Chrome, Firefox, Safari, and Edge, letting you sign on the go.

Secure and Private

Secure and Private

Your files are processed over an encrypted connection and automatically deleted after signing, protecting your privacy.

Additional Tools

Additional Tools for Editing PDF Documents

CopyChecker.com makes document editing easy and enjoyable. Try more PDF editing tools for free:

  • PDF Editor: Make more advanced changes to your PDF, such as editing text and images.
  • Merge PDF: Easily combine multiple PDFs into a single PDF document.
  • Edit PDF Metadata: Change the PDF Author, Title, and other metadata with ease using our Edit PDF Metadata Tool.

Frequently Asked Questions

Which image formats can I upload for my signature?

Our tool supports standard image formats such as JPG and PNG. If your signature is saved in a different format, consider converting it to one of these.

Can I add signatures to a password-protected PDF file?

Yes, but first, you need to unlock the PDF by providing the correct password.

Are there any limitations on PDF file size or format?

The tool supports all PDF formats. You can upload PDF files that are under 10 MB in size each time.

How to sign a PDF on iPhone?

Open a browser on your iPhone and visit CopyChecker.com, navigate to our Sign PDF tool, and upload your PDF on it. Easily add signatures to your document with our mobile-friendly tool.

A Visual Step-by-Step Guide

A clear walkthrough on how to digitally sign a PDF online.

Step 1: Upload Your PDF

  • Click the “Upload PDF File” button or drag and drop your PDF into the upload box.
  • Once uploaded, your PDF will appear on the screen, ready for signing.
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Step 2: Create or Add Your Signature

  • Open the Signature Panel: In the top menu bar, click “SIGN”. A window will appear with three ways to create a signature:
  • Type: Click the “Type” tab to type your signature. Enter your name, choose a style from the options provided, and pick a color.
  • Draw: Click the “Draw” tab to manually draw your signature. Select a color, then use your mouse or trackpad to draw your signature.
  • Upload Image: Click the “Upload Image” tab to browse your device and add a pre-scanned signature.
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  • Save Your Signature: Once you’re happy with the style, click the “Save” button.
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  • Place the Signature: Your signature will be attached to your cursor. Click anywhere on the PDF to place it. You can resize or move it by selecting it again.
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Step 3: Save and Download Your Signed PDF

  • Click the “Apply Changes” button at the bottom of the screen to finalize your signature.
  • In the download menu, you can rename your file by clicking the edit icon next to the filename (optional).
  • Click “Download” to save your signed PDF to your device.
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Need to convert images to PDF? Try our PDF to Image tool for free.

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