How to embed a calculator to my Wix or WordPress website?
Please have a look at the dedicated documentation page: “Host and embed”
How do I protect against anyone copying my web-application?
You might want to make the code unreadable in case someone tries to understand it. There are a number of obfuscation tools that are freely available. However, it is important to note that it is impossible to obfuscate the code to the point where it cannot be reverse-engineered.
You can as well reduce the access to your web-application by adding layer of authentication on your website.
What are the limitations of Appizy?
Appizy does not convert graphics, pivot tables nor macros.
What is the biggest file size Appizy can convert?
File too big. This happens when the algorithm of Appizy exhausts the PHP resources, allowed by the server. In other words, you are asking too much... This empirical limit has been observed above 20 000 cells.