Frequently Asked Questions
is an online signature capture control available for asp.net, php, java, CF and HTML.
You can easily use it on your websites and start capturing signatures from your
website users and customers online without having to install any kind of software
on their computers. The generated signatures can be saved on server as image files
or stored in database. They can also be embedded within PDF files too.
provides very intuitive user interface for signing online. It captures signature
data using state-of-art algorithms and sends data to the server where this information
is converted to signature image. All of this is done on-the-fly as soon as the user
is done with signing. You can later on process this information as per your business
What are the system requirements to run
There are no requirements on client's side except that the browser should support
- ASP.NET: IIS, .NET framework 2.0 or above.
- JSP: Java, Tomcat Server
PHP: PHP 4.0 or above, Apache (Linux) or IIS
- Cold Fusion: CF, IIS or Apache
What is the cost of
Please visit the pricing page
Can I upgrade my edition?
Yes you can upgrade your edition anytime and pay for the additional fees.
Who should use
Well this is up to you. However it can be used on pages that require customer's
signature as part of some confirmation. It can also be used in CRM applications
that may store signatures of customers. You should consult your local legal authorities
if you want to know if such online signatures are considered by law.
Does it work on the new windows tablet?
Yes Windows 8, IE 10 & IE 11, Surface RT. If you are facing any issues then please
have this doctype <!DOCTYPE html> and put this below ending </title>
tag <meta http-equiv="X-UA-Compatible" content="IE=edge" />
Does it work on windows mobile 6.5?
Please tap and hold on the screen. You will then see a clockwise circle of dots
appear - when the circle is complete a window opens up with the option called "make
selection" or "select all" or "undo". use "make selection".
I am not able to make it work on Android (Samsung Galaxy Tab)
Kindly make sure the Android browser setting is not in desktop mode. It should be
mobile mode. Enter "about:debug" in the address bar in the browser, without the
quotes. Go into the options menu. Go into "Settings". Go into the "Debug" menu on
the left menu. Touch "UASTRING". Select "Android" over the "Desktop".
I am not able to make it work on HP Touchpad
Please refer: Html Meta
Does it work with BlackBerry PlayBook?
Does it work with Kindle?
Yes, tested with Kindle Fire HD
I am not able to test trial versions from mobile device
The trial license is limited to localhost, so please test the online demo link mentioned
in the email you received from us.
I get genetic error in GDI+?
Kindly make sure there is WRITE access for the image.
I get error: Could not load file or assembly 'SuperSignature' while compiling
Go to the bin folder or where the DLL is (in windows explorer) then right click,
open properties window and click the unblock button.
I get Microsoft JScript runtime/script error, $/jQuery not defined/not a function
Please set property of control, IncludeJquery="false". You already seem to have
jQuery reference on your page.
Not working on Surface IE Edge with Touch
For touch API, you have to activate a flag on Edge : in the address bar, enter about:flags and press enter. In the section Touch, you can enable touch events with the corresponding dropdown
Please refer: http://stackoverflow.com/questions/33300962/touch-api-e-g-touchstart-not-working-in-ms-edge
The trial version shows watermarks on generated image
Yes, that goes away in purchased version.
Does the PHP version save to DB / Disk?
Yes all versions can easily save to database or physical file. You get the image
object in general which needs to be converted to bytes and then saved to DB.
Does it work on Windows Phone 8?
Yes, it does. However you are requested to check the demo page first.
Does it work with classic ASP?
Classic asp is not natively supported, however you can use an iframe pointing to
asp.net page, which has signature control on it.
Can it sign a PDF?
Yes, please refer demos. Still if you need more details on PDF, please email.
Do I have to use your Webservice for PHP/CF/Java?
No, all code files will reside on your server. They will never communicate or use
any files from our servers.
I get 'NullReferenceException: Object reference not set to an instance of an object.'
Make sure the <head> tag has runat="sever" added to it.
Can I have multiple signatures captured on same page?
Does it work with MVC?
Yes it does. Both with Razor and default view engine. Ask for sample!
Does it work with Sharepoint?
Yes it does. Ask for sample!
Are there any alternatives to mouse?
||Please try demo yourself before purchasing any hardware device.
My question is not answered!
Please contact us.