Navigate directly to the tools on dutch-language.nl:

 

Picture of the Singular to plural tool in Dutch, with a direct link to the tool.

 

Picture of the Dutch time to words tool, a tool where you can set the time and get the written version in words (Dutch).

 

Attributive Adjective Tool 1
Attributive Adjective Tool 2
Attributive Adjective Tool 3

 

Picture of DE / HET tool, a tool where you can lookup the word to see if it's de or het, with a link directly to the tool.