Show HN: Everyday Toolz – free calculators that run in the browser, no sign-up

110+ tools for daily use — work made easy. No installs, no accounts, no waiting on a server. Type a number, get an answer — right in your browser.

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Unit Converters

Length, weight, area, height, temperature, speed — every unit, instantly.

Finance & Loan

EMI, interest, tips, and everyday money math.

Health & Fitness

BMI, calories, and body metrics.

Date & Time

Age, countdowns, and date math.

Random & Decision

Spin wheels, pickers, dice, and generators.

Number & Programming

Binary, hex, octal, and everyday math.

Text & Everyday

Word counts, passwords, grades, and the small stuff.

Timers & Productivity

Stopwatch, countdowns, and focus timers.

Design & Color

Color picker, palettes, and format conversions.

Image & PDF Tools

Convert and compress images and PDFs, right in your browser.

Sports & Fitness

Pace, race times, lifting, and training calculators.

Business & Investing

Margins, break-even, ROI, and interest calculators.

Study & Education

Citations, grades, typing speed, and study tools for students.

Developer Tools

JSON, regex, encoding, and hashing tools for programmers.

Technology

Networking, file size, and screen calculators.

Numerology & Zodiac

Life path numbers, zodiac signs, and biorhythms — for fun.

Fun

Jokes, generators, and playful little tools.

Free browser games — no download, no sign-up.

BMI Calculator

Body Mass Index from your height and weight, in metric or imperial.

Tip Calculator

Tip amount and per-person split, calculated as you type.

GPA Calculator

Add your courses and credit hours to get your grade point average.

Percentage Calculator

What is X% of Y, percentage change, and percentage difference — all in one place.

Loan Payment Calculator (EMI)

Monthly loan payment (EMI), total interest, and a full amortization schedule.

Age Calculator

Exact age in years, months, and days from a date of birth.

Date Calculator

Days between two dates, or add/subtract days, weeks, months, and years from a date.

Unit Converter

Length, weight, temperature, volume, and speed — convert between any units instantly.

Compound Interest Calculator

Growth over time, with your choice of compounding frequency.

Word & Character Counter

Word count, character count, and reading time, updated as you type.

Password Generator

Strong random passwords, with control over length and character types.

Image to PDF

Combine one or more JPG/PNG images into a single PDF.