Font table editing is limited to a few tables only, so far. For more detailed information please see the change log.
Any fonts (or folders containing fonts) that are dropped onto the page remain local to the machine and are not uploaded to a server.
You are responsible for complying with the terms of the license for each font you drop to FontDev.app and
for using the service, so please be aware of such restrictions and limitations.
If you are not the vendor of the font data, you most likely do not have permissons for any modifications. Please repect this.
FontDev.App is a project by Olli Meier.
I tried many different technologies over a few years, including: