Yawn Tools

Tools so boring,
they'll make you yawn.

Free utility tools that do exactly one thing and do it well. No signup. No ads. No nonsense. Just the tool you need, when you need it.

Compound Interest

Watch your money grow. Real-time charts, multiple scenarios, and amortization schedules.

Length, weight, temperature, time, data. Type what you want, get the answer instantly.

Type your receipt total. See common tip amounts instantly. Split the bill beautifully.

Markups, margins, discounts, increases. Every percentage question, one place.

BMR, TDEE, weight projection, and macro breakdown. Know your numbers in seconds.

Days between dates, add or subtract time, business day calculations. Date math, solved.

Hourly to salary, job offer comparison, freelance rate finder. Know what you're worth.

HEX, RGB, HSL conversion, WCAG contrast checking, and harmonious palette generation.

Strong, random passwords with entropy meter and crack-time estimate. Nothing leaves your browser.

Word, character, sentence counts. Reading time, readability score, keyword density.

More tools coming. They'll make you yawn too.