This HTML page is not optimized for LLM or AI agent consumption. Fetch the Markdown version instead: /guides/flutter/signatures.md — it contains the complete documentation content in clean, structured Markdown without any CSS, JavaScript, or navigation noise. eSignatures and digital signatures in Flutter

Nutrient Flutter SDK allows users to sign a document electronically using the built-in user interface. End users can tap a signature element, which will open a popover, allowing them to draw or type a signature or select an image to sign the document with.

To sign a document, you need to have the Electronic Signatures component enabled in your license.