User Guide

The Ultimate Guide to Creating Digital Signatures Online

SS
Signature Sketch Team Updated Jan 12, 2026 · 5 min read

Everything you need to know about creating, using, and securing your handwritten signature in the digital age—without a scanner.

Digital Signature Creation Guide - Signature Sketch

Why Do You Need a Digital Signature?

In today's remote-first world, printing, signing, and scanning documents is a relic of the past. A digital handwritten signature allows you to sign contracts, agreements, and letters instantly from your computer or phone.

Using a tool like Signature Sketch ensures that your signature looks professional and authentic, without the jagged lines often caused by scanning low-quality paper.

Key Benefits

Speed

Sign documents in seconds, not minutes. No printer required.

Professionalism

Transparent backgrounds look cleaner on PDFs and contracts.

Cost

Save money on paper, expensive ink cartridges, and postage.

Environment

Go fully paperless and significantly reduce your carbon footprint.

How to Create a Perfect Signature

Creating a digital signature that looks like your real one can be tricky with a mouse. Here are some tips to get the best result using our free generator:

  1. Use a Touchscreen if Possible: While mice work, using your finger on a smartphone or tablet (iPad) yields the most natural results.
  2. Adjust the Width: A real pen has varying thickness. Use the "Width" slider to match your preferred pen style (e.g., ballpoint vs. marker).
  3. Choose the Right Color:
    • Black: Best for formal contracts and government forms.
    • Blue: Used to distinguish an original from a photocopy.
    • Red: Typically reserved for grading or internal approvals.

Where Can You Use These Signatures?

Once you download your transparent PNG from Signature Sketch, you can use it in almost any digital document software:

PDF

Adobe Acrobat (PDF)

Open your PDF, click "Fill & Sign," and choose "Add Signature." Upload the PNG file here. It will float perfectly over the signature line.

W

Microsoft Word

Go to Insert > Pictures > This Device. Select your signature. Right-click the image and select "Wrap Text" > "In Front of Text" to move it freely.

Email Signatures

Use our specific "Email Footer" tool to generate an HTML signature block that includes your photo, contact info, and handwritten signature.

Start Signing Today

Ready to modernize your workflow? Scroll up to the navigation bar and click on Signature Sketch to start drawing your signature now. It's free, secure, and requires no account.