Hank Builds
Simple, fast, privacy-first tools for developers, designers, and everyday use
Split bills with friends, calculate tips, and generate payment links. Fair splits made easy.
fairshare.hank-builds.comTrack income, expenses, and budgets by category. All data stays on your device: private and fast.
budget.hank-builds.comCreate professional invoices with customizable themes, PDF export, and automatic calculations.
invoice.hank-builds.comConvert units, encode text, format JSON, generate hashes, and more. 46 tools in one place.
converter.hank-builds.comFormat, validate, view as tree, diff, and visualize JSON and YAML as an interactive node graph. All-in-one data tool.
data.hank-builds.comTest and debug regular expressions with real-time matching, railroad diagrams, and plain-English explanations.
regex.hank-builds.comGenerate color harmony schemes, tint/shade scales, and extract colors from images. Export as CSS, Tailwind, or JSON.
palette.hank-builds.comCreate QR codes for URLs, WiFi, vCards, email, and SMS. Customize dot styles, colors, and add a center logo.
qr.hank-builds.comGenerate strong passwords, passphrases, and PINs. Entropy-based strength meter with crack time estimates.
password.hank-builds.comScale portions and convert between imperial and metric. Handles temperatures, fractions, and smart unit selection.
recipe.hank-builds.comBeautiful countdown timers for any event. 8 styles, fullscreen view, and shareable links.
countdown.hank-builds.comTest your typing speed with easy, medium, and hard modes. Track your WPM and accuracy.
typing-test.hank-builds.comPomodoro technique timer with customizable intervals, session tracking, and daily stats.
focus.hank-builds.comConvert times across timezones, plan meetings with visual overlap detection, and track world clocks.
time.hank-builds.comBMI, BMR and TDEE, body fat, ideal weight, due date and pregnancy weight gain: six calculators that show their formulas.
body.hank-builds.comEvery total and annular eclipse to 2040: the path of totality mapped, exact local times for cities worldwide, and the circumstances at any coordinate you pick.
eclipse.hank-builds.comShort, practical explainers that go with the tools above.
A collection of free web tools. Split bills, generate invoices, create QR codes, format JSON, build color palettes, and more, all running in your browser with no data sent to any server.