Signature Anywhere is an eSignature application for Salesforce, which allows the user to use the Signature component in any object. The user can also set it up as he/she wishes and wherever he/she wishes. The user can Change inks and format of the Signature to their liking whether they are on their desktop or on the Salesforce Mobile app.
To use Signature Anywhere, simply drag & drop the signature component for your record page in the lightning builder app or use the code generator to use it in your VF pages and Lightning components. Not only can you customize the ink and background of your signature pad, but you can also save the signature in any format you wish (png, jpeg, jpg).
Lastly, this application can be customized and utilized on both the desktop and the Salesforce Mobile app, thus, you can use it from anywhere.