Utility Pages
Free online calculators
that don't suck.
Fast, mobile-first, ad-light tools for fitness, finance, education, and more. Built for people who hate slow sites with 10 popups.
Health
Finance
Compound Interest
liveInvestment growth with monthly contributions
Auto Loan Calculator
liveCar payment with US state sales tax + amortization
Paycheck Calculator
liveTake-home pay, all 50 states + DC, 2026 brackets
Crypto Tax Calculator
liveUS capital gains, short-term + long-term, 2026
Mortgage Calculator
liveConventional / FHA / VA with PMI + tax + insurance + PMI drop
Writing
Word Games
Random / Decisions
Developer Tools
Password Generator
liveStrong, cryptographically random — with strength meter
UUID Generator
livev4 (random) or v7 (timestamp-ordered) — bulk export
Lorem Ipsum Generator
liveClassic, bacon, hipster, geek themes
JSON Formatter & Validator
livePretty-print, minify, sort keys, error line/column
Base64 Encoder/Decoder
liveStandard + URL-safe variant
URL Encoder/Decoder
liveComponent or full-URL percent-encoding
Hash Generator
liveSHA-256, SHA-384, SHA-512, SHA-1, MD5
Regex Tester
liveLive highlighting, capture groups, all flags, replace mode
JWT Decoder
liveHeader, payload, claims with timestamp parsing
AI Token Counter
liveGPT, Claude, Gemini cost estimator
Diff Checker
liveSide-by-side or unified text diff
Markdown to HTML
liveLive preview, GFM, copy clean HTML
URL Slug Generator
liveClean SEO slugs from any title