U

utility

I have a Epson printer sitting at my desk. This repo should make it print using an interface. Currently it does print my Todo list using an HTML interface. In the future a full React app is planned to support multiple use-cases + logging.

N PASS Verifier — a verification utility project for validating N PASS-related data and workflows.

A web-based utility for fetching, categorizing, summarizing and managing global news and articles using the GDELT 2.0 API. Designed for content creators, news aggregators, and researchers, this tool simplifies access to up-to-date articles with an intuitive UI and customizable configurations.

Format and validate YAML documents using js-yaml with configurable indentation and line width, entir

Convert XML documents to JSON using a recursive DOM walker with attribute, text, and repeated-tag ha

Count words, characters, sentences, paragraphs, and estimate reading time from text typed into a con

Look up domain registration data including registrar, creation/expiry dates, name servers, and DNSSE

Find the day of the week for any date, with ISO week number, day of year, quarter, weekday/weekend c

Add VAT to a net price or remove VAT from a gross price, with quick-preset rate buttons and live rec

Generate version 4 UUIDs in four formats using crypto.randomUUID() with a template-string fallback

Build UTM-tagged campaign URLs with live preview and a parameter breakdown table, entirely in the br

Parse any User Agent string to identify browser, rendering engine, operating system, OS version, and

Decompose a URL into its 9 structural components and list all query parameters in a table, entirely

Encode or decode URL components using encodeURIComponent and decodeURIComponent, entirely in the

Browser-based unit-converter tool. Live demo at file-converter-free.com

Browser-based unicode-encoder tool. Live demo at file-converter-free.com

Measure typing speed (WPM) and accuracy with multilingual passages across 10 languages and 4 difficu

Trace the network path to any host hop by hop, displaying IP address, hostname, and round-trip time

Convert Unix timestamps to human-readable dates and back, with a live world clock for 22 cities and

Add or subtract two time durations (hours, minutes, seconds) with overflow/borrow handling and displ