Utilnaro Reference

Reference tables and cheat sheets

Find the right code, character, or color without digging through documentation. Every table includes search, concise context, and a link to the source standard.

01 · 128 codes

ASCII table

All 128 seven-bit ASCII codes with decimal, hexadecimal, binary, character, and control-code notation.

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02 · 64 status codes

HTTP status codes

Searchable HTTP response status reference grouped into informational, success, redirection, client-error, and server-error classes.

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03 · 148 color names

CSS named colors

Search all standardized CSS named colors and copy their HEX or RGB values.

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Math and physics

Formulas connected to calculators

Check symbols and units, choose the unknown value, and follow the calculation step by step.

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How it works

A quick answer when you need one

These pages do not ask you to complete another form. Open a table, enter a name or value, and get the result with just enough context to use it correctly.