URNPC Tools is an English-language project from URNPC, operated by TristanLib. It helps people inspect everyday structured data, text and URLs.
The tools process input in your browser. The guides explain their results using small examples and primary references. The first release contains three tools and six guides; features are described only when they are available.
Content is prepared with AI assistance and verified with executable fixtures. Read our method for the runtime, examples and limitations.