The fastest, versatile toolbox

Free Tools & Calculators

Fast, accurate, and secure tools for your daily workflow.
Built to run entirely in your browser.

Developer Experience

JSON FormatterPretty-print and validate JSON data.

AI Token CalculatorEstimate LLM token count and API costs.

QR Code GeneratorCreate QR codes for URLs, Wi-Fi, and more.

Password GeneratorGenerate secure random passwords with custom rules.

Regex TesterReal-time regular expression testing.

JWT DecoderDecode JSON Web Tokens instantly.

Color PickerConvert HEX, RGB & HSL instantly.

Money & Tax

Currency ConverterReal-time global currency exchange.

Loan CalculatorAnalyze monthly payments and interest.

Mortgage CalculatorPITI mortgage payment estimator.

Income TaxEstimate your personal tax burden.

Compound InterestProject long-term savings growth.

VAT & Tax CalculatorQuick sales tax and VAT calculations.

Salary ConverterConvert hourly pay to annual salary.

Tip CalculatorCalculate gratuity and split bills.

Retirement PlannerPlan your financial independence.

Inflation CalculatorCheck the buying power of your money.

Budget PlannerOrganize your monthly spending.

EPS CalculatorCalculate Earnings Per Share metrics.

WACC CalculatorProfessional Weighted Average Cost of Capital solver.

PDF Tools

Merge PDFCombine multiple PDFs into one.

Split PDFExtract pages into new files.

Rotate PDFCorrect document orientation.

Delete PagesRemove unwanted pages instantly.

Unit Converters

Age CalculatorCalculate precise age and milestones.

Percentage CalculatorSolve all percentage-based problems.

Unix TimeConvert timestamps to readable dates.

Length ConverterSwitch between metric and imperial.

Weight/Mass ConverterConvert grams, pounds, and tons.

Temperature ConverterCelsius, Fahrenheit, and Kelvin.

Time ConverterConvert hours, days, and seconds.

Time Zone ConverterGlobal time zone synchronization.

Aspect RatioCalculate image and video proportions.

Data StorageMB, GB, TB, and Bit conversions.

Area ConverterConvert acres, meters, and miles.

Text & Formatting

Random Name/Number GeneratorGenerate secure random numbers or names instantly.

Text Case ConverterConvert text between camelCase, snake_case, and more.

Word UnscramblerFind words from scrambled letters.

Base64 Text EncoderSecurely encode text for data transfer.

MD5 HashGenerate secure cryptographic hashes.

Word CountAnalyze text length and statistics.

Math & Science

Standard CalculatorQuick everyday arithmetic.

Scientific CalculatorAdvanced engineering functions.

AstrophysicsCelestial mechanics and physics.

Equation SolverSolve linear and complex equations.

Health & Wellness

Daily WisdomStoic quotes and daily guidance.

BMI CalculatorCalculate Body Mass Index safely.

Calorie & MacroPrecision nutrition and macro ratios.

Sleep CycleOptimal wake-up and bed times.

Education

GPA CalculatorCalculate semester and cumulative GPA.

Developer Experience

JSON, Regex, and JWT utilities built for modern engineering workflows.

7 Tools Available

Money & Tax

Professional calculators for currency, loans, interest, and taxes.

13 Tools Available

PDF Tools

Securely merge, split, and manage PDF files 100% in your browser.

4 Tools Available

Unit Converters

Quickly convert length, weight, temperature, and data storage units.

11 Tools Available

Text & Formatting

Clean up text, count words, and encode data with ease.

6 Tools Available

Math & Science

From standard math to astrophysics and science equation solvers.

4 Tools Available

Health & Wellness

Simple tools for BMI tracking and daily wellness check-ins.

4 Tools Available

Education

GPA calculators and professional academic tracking tools.

GPA Calculator

1 Tools Available

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