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generalFree Tools for Remote Developers: My Actual Browser-Tab Toolkit
The free browser tools I keep open as a remote developer: JSON, Base64, regex, timestamps, image compression, and the honest gaps. No installs.
XML Sitemap Generator: Build a sitemap.xml Search Engines Trust
Turn a list of URLs into a valid sitemap.xml with lastmod, changefreq, and priority. Learn what belongs in a sitemap, the 50,000-URL limit, and how to submit it
Tip Calculator: Split the Bill Without the Awkward Napkin Math
Work out the tip and split any restaurant bill in seconds. Set a percentage, add sales tax, choose pre-tax or post-tax, and round up — free, private, and browse
generalColor Contrast Checker: How to Hit WCAG AA and AAA Without Guessing
Check color contrast for WCAG AA and AAA online, free. What the ratio means, the exact thresholds, and how to fix a failing color without ditching your brand.
URL Parser: Break Any Link Into Its Parts and Read the Query String
Split any URL into scheme, host, port, path, query, and fragment, and read query parameters as a clean decoded table. Understand hostname vs host vs origin. Fre
BMI Calculator: What the Number Means, and What It Doesn't
Calculate Body Mass Index in metric or imperial units, read the WHO category, and find your healthy weight range — plus an honest look at what BMI can and canno
Compare Two Lists: Find Common Items, Unique Items, and Duplicates
Compare two lists to find what's in both, what's unique to each, and what's duplicated. A practitioner's guide to set operations, case folding, and why a diff i
JSON to TypeScript: Generate Accurate Interfaces From Real API Data
Generate TypeScript interfaces from JSON. A practitioner's guide to type inference, optional vs nullable keys, merging arrays of objects, and where inference st
HTML to Markdown Converter: Turn Messy Web Markup Into Clean, Portable Text
Convert HTML to clean GitHub Flavored Markdown. A practitioner's guide to how headings, lists, links, tables, and code blocks map, with examples, a comparison t
JSON to XML Converter: How to Map Keys, Attributes, and Arrays Correctly
Convert JSON to well-formed XML with a clear, rule-based mapping for attributes, text nodes, and arrays. A practitioner's guide with examples, a comparison tabl