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Overview

Flutter Signature Pad is a library for capturing smooth and realistic signatures. This widget allows you to save signatures as images and sync them across devices and documents that need signatures. You can use your finger, pen, or mouse on a tablet, touchscreen, etc., to draw your own signature on this SignaturePad widget.

Flutter Signature Pad overview.


Customization

The appearance of the Flutter SignaturePad is highly customizable.

Flutter Signature Pad stroke color.

Stroke color

The stroke color of the Flutter SignaturePad can easily be customized to the desired color.

Flutter Signature Pad stroke width.

Stroke width

The widget allows you to set the minimum and maximum stroke widths for the signatures.


Realistic, handwritten signature look and feel

The unique stroke rendering algorithm draws a signature based on the speed of the drawn gestures along minimum and maximum stroke thicknesses, which brings a more realistic, handwritten look and feel to the signature.


Save signature as image

Save the drawn signature as an image. This converted image can be embedded in documents, PDFs, and anything else that supports using images to denote a signature.

Flutter Signature Pad saves signatures as images.


Handle callbacks

This widget provides callbacks that help handle the start of each stroke, get the offset details of each stroke, and end of each signature stroke on the SignaturePad.


Export strokes as path collection

This widget provides an option to get the strokes drawn on the SignaturePad as a ui.path collection that can be used to duplicate the same strokes.


Flutter SignaturePad Code Example

Easily get started with the Flutter SignaturePad using a few simple lines of DART code example as demonstrated below. Also explore our Flutter SignaturePad Example that shows you how to render and configure the SignaturePad in Flutter.

@override
Widget build(BuildContext context) {
  return Scaffold(
    body: Center(
      child: Container(
        child: SfSignaturePad(
          backgroundColor: Colors.grey[200],
        ),
        height: 200,
        width: 300,
      ),
    ),
  );
}



Frequently Asked Questions

We do not sell Flutter SignaturePad separately. It is only available for purchase as part of the Syncfusion Flutter suite, which contains an ever-growing set of native Flutter widgets, including SignaturePad. A single developer license for the Syncfusion Essential Studio for Flutter suite costs $995.00 USD, including one year of support and updates. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team to see if you qualify for any additional discounts.

You can find our Flutter SignaturePad demo here.

No, our Flutter widgets, including SignaturePad, are not sold individually, only as a single package. However, we have competitively priced the package so it only costs a little bit more than what some other vendors charge for their SignaturePad alone. We have also found that, in our experience, our customers usually start off using one of our products and then expand to several products quickly, so we felt it was best to offer all the Flutter widgets for a flat fee of $995/developer. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team to see if you qualify for any additional discounts.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

A good place to start would be our comprehensive getting started documentation.

Awards

Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion is proud to hold the following industry awards.

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