Sign PDF – Add Digital Signature to PDF | Free & Private

✍️ Sign PDF – Digital Signature Tool

Draw your signature, place it on any PDF page, and download the signed document. 100% local & private.
🔒 Zero upload • No servers • Your PDF never leaves your device
or drag & drop PDF file here

✨ Why use our PDF Signer?

Sign PDF documents digitally without printing, scanning, or uploading. Our tool lets you draw your signature with mouse or touch, then place it on any page of your PDF at the desired location. Everything happens locally in your browser — no servers, no accounts, no hidden fees. Perfect for contracts, agreements, invoices, and forms.

🔒 100% Private

Your PDF and signature never leave your device. Complete confidentiality for legal documents.

🖌️ Draw naturally

Use mouse, trackpad, or touchscreen to create a handwritten signature that looks authentic.

📍 Precise placement

Choose page number and preset positions (bottom‑right, etc.) or set custom X/Y coordinates.

📄 Preserves quality

Signature is embedded as a transparent PNG, leaving original PDF content untouched.

How to use: 1. Upload a PDF. 2. Draw your signature in the canvas area (use clear button to restart). 3. Select the page number and signature position (bottom-right is typical). 4. Click “Place Signature & Download” — your signed PDF will be generated instantly.

Tip: For best results, use a mouse or stylus. The signature is resized to approximately 150px wide while keeping aspect ratio, then embedded as a transparent image over the PDF.

❓ Frequently Asked Questions

🔹 Is my PDF uploaded to a server?
No. All processing occurs locally in your browser using PDF-Lib. Your file never leaves your computer — guaranteed.
🔹 Can I use a typed signature instead of drawing?
This tool focuses on handwritten-style drawing. For a typed signature, you can use the canvas to write your name with the mouse, or convert a text signature to an image externally. We recommend drawing for authenticity.
🔹 What if I place the signature on the wrong page?
You can simply adjust the page number and click the button again to generate a new signed PDF. The original PDF remains unchanged until you download.
🔹 Can I sign multiple pages?
Currently, the tool places the signature on a single page of your choice. For multiple signatures, you can repeat the process on different copies or use advanced PDF editing software.
🔹 Is there a file size limit?
No hard limit, but very large PDFs (over 100 MB) may take longer due to browser memory. Most standard documents work instantly.
🔹 Are password-protected PDFs supported?
No, encrypted PDFs cannot be edited. Please remove any password protection before signing.
✍️ Sign PDF – Free, private, and secure. Add your handwritten signature to any PDF in seconds.
​ Sign PDF Online - Add Signature to PDF Free

Sign PDF Online – Add Your Signature Easily

Our free PDF signing tool allows you to quickly add your signature to any PDF document. Whether you need to sign contracts, forms, or agreements, this tool provides a fast and secure solution.

How It Works

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Upload PDF & Sign

Draw Your Signature



Download Signed PDF

Frequently Asked Questions

Is this tool legally valid?

Electronic signatures are legally accepted in many countries, but always verify local regulations.

Are my documents secure?

Yes, your files are processed locally and are never uploaded.

Can I reuse my signature?

You can download and reuse your signed documents anytime.

Who Needs PDF Signing?

Students, freelancers, businesses, and legal professionals all benefit from fast digital signatures.

مميزات الأداة

يمكنك توقيع ملفات PDF بسهولة وبدون تسجيل، مباشرة من المتصفح مع حماية كاملة لبياناتك.

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✍️ Sign PDF – Digital Signature Tool

Draw your signature, place it on any PDF page, and download the signed document. 100% local & private.
🔒 Zero upload • No servers • Your PDF never leaves your device
or drag & drop PDF file here

✨ Why use our PDF Signer?

Sign PDF documents digitally without printing, scanning, or uploading. Our tool lets you draw your signature with mouse or touch, then place it on any page of your PDF at the desired location. Everything happens locally in your browser — no servers, no accounts, no hidden fees. Perfect for contracts, agreements, invoices, and forms.

🔒 100% Private

Your PDF and signature never leave your device. Complete confidentiality for legal documents.

🖌️ Draw naturally

Use mouse, trackpad, or touchscreen to create a handwritten signature that looks authentic.

📍 Precise placement

Choose page number and preset positions (bottom‑right, etc.) or set custom X/Y coordinates.

📄 Preserves quality

Signature is embedded as a transparent PNG, leaving original PDF content untouched.

How to use: 1. Upload a PDF. 2. Draw your signature in the canvas area (use clear button to restart). 3. Select the page number and signature position (bottom-right is typical). 4. Click “Place Signature & Download” — your signed PDF will be generated instantly.

Tip: For best results, use a mouse or stylus. The signature is resized to approximately 150px wide while keeping aspect ratio, then embedded as a transparent image over the PDF.

❓ Frequently Asked Questions

🔹 Is my PDF uploaded to a server?
No. All processing occurs locally in your browser using PDF-Lib. Your file never leaves your computer — guaranteed.
🔹 Can I use a typed signature instead of drawing?
This tool focuses on handwritten-style drawing. For a typed signature, you can use the canvas to write your name with the mouse, or convert a text signature to an image externally. We recommend drawing for authenticity.
🔹 What if I place the signature on the wrong page?
You can simply adjust the page number and click the button again to generate a new signed PDF. The original PDF remains unchanged until you download.
🔹 Can I sign multiple pages?
Currently, the tool places the signature on a single page of your choice. For multiple signatures, you can repeat the process on different copies or use advanced PDF editing software.
🔹 Is there a file size limit?
No hard limit, but very large PDFs (over 100 MB) may take longer due to browser memory. Most standard documents work instantly.
🔹 Are password-protected PDFs supported?
No, encrypted PDFs cannot be edited. Please remove any password protection before signing.
✍️ Sign PDF – Free, private, and secure. Add your handwritten signature to any PDF in seconds.
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