Config checker
Paste an item file, a view or a boards file, or drop one in, and find out what is wrong with it.
The same three categories the plugins report at startup: an error will not work, a warning loads but not as written, and a gate is the server version being the limit rather than a mistake. Nothing is uploaded.
Nothing to hand? Load an example:
Read as a Sigil item. Nothing to report.
Nothing to report. This file would load as written.