How to Add a Handwritten Signature

A handwritten signature field lets a user draw a mark and embed it as an image. It must not be confused with a qualified digital signature.

Practical procedure

1. 1. Provide a sufficiently large signing area.
2. 2. Allow the user to clear and redraw it.
3. 3. Explain what the signature means in the document.
4. 4. Download a flattened PDF after completion.
5. 5. Do not describe an image as a qualified signature.

Common mistakes

In practice, the most common issues are: too many required fields, ambiguous labels, no test with a real document, relying on color alone, saving data without an explicit user decision. Each can be caught before publishing by using the preview and form checker.

Final review

• Does every field have a label?
• Are technical field names unique?
• Can the form be completed with a keyboard?
• Do error messages explain how to fix the issue?
• Was the selected export opened and checked?

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