All 50 Free Tools
Every tool runs in your browser — no signup, no cost, no data collection.
Finance Tools
14 toolsCalculators for loans, mortgages, investments, taxes, salary, and retirement.
Loan Payment Calculator
Calculate monthly loan payments, total interest, and full amortization schedule for any loan.
Debt Payoff Calculator
Compare snowball vs avalanche strategies to become debt-free faster and save on interest.
Compound Interest Calculator
See how your savings grow with compound interest and regular contributions over time.
Profit Margin Calculator
Calculate gross profit, profit margin percentage, and markup for any product or service.
Break-Even Calculator
Find your break-even point in units and revenue. Essential analysis for any small business.
Car Loan Calculator
Calculate car loan payments including down payment, trade-in value, and sales tax.
ROI Calculator
Calculate return on investment and annualized ROI (CAGR) for any investment or business decision.
Salary to Hourly Calculator
Convert annual salary to hourly, daily, weekly, and monthly pay — and back. Instant results.
Mortgage Calculator
Calculate monthly mortgage payment including principal, interest, taxes, insurance, and PMI.
Take-Home Pay Calculator
Estimate your net take-home pay after federal tax, state tax, and deductions.
Retirement Calculator
Calculate how much you will have at retirement based on contributions and investment returns.
Tip Calculator
Calculate tips and split the bill between any number of people. Fast and mobile-friendly.
Savings Goal Calculator
Find out how much to save each month to reach your goal, or when you will reach it.
Sales Tax Calculator
Add or remove sales tax from any price. Supports reverse tax calculation.
Business Tools
5 toolsName generators, document creators, and pricing calculators.
Business Name Generator
Generate creative, brandable business names instantly for any industry. 1000+ unique combinations.
Markup Calculator
Calculate markup percentage, selling price, and profit from cost. Shows resulting margin too.
Receipt Generator
Create professional receipts and download as PDF. Free, no signup required.
Purchase Order Generator
Create professional purchase orders and download as PDF. Free PO template.
Quote / Estimate Generator
Create professional price quotes and estimates. Download as PDF. Free for any business.
Freelancer Tools
2 toolsRate calculators and invoice generators for independent professionals.
Developer Tools
12 toolsJSON formatter, regex tester, encoders, hash generators, and CSS utilities.
JSON Formatter & Validator
Format, validate, and minify JSON instantly. Private — runs entirely in your browser.
Regex Tester
Test regular expressions in real-time with live match highlighting and capture group display.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 to text. UTF-8 safe, private, instant.
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK with a live preview swatch. Free tool.
Password Generator
Generate strong, cryptographically secure passwords. Customizable length and character sets.
JWT Decoder
Decode and inspect JWT tokens. View header, payload, and claims. Runs entirely in your browser.
CSS Box Shadow Generator
Create CSS box shadows visually with live preview and copy the code instantly.
Cron Expression Generator
Build cron expressions visually and see plain-English explanations. Includes next run times.
UUID Generator
Generate random UUID v4 identifiers. Bulk generation, formatting options, copy all.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text. Private, runs in browser.
Text Diff Checker
Compare two blocks of text and highlight differences line by line. Free diff tool.
Markdown to HTML Converter
Convert Markdown to clean HTML with live preview. Copy the HTML output. Free.
Utility Tools
12 toolsUnit converters, QR codes, calculators, timers, and everyday helpers.
QR Code Generator
Create free QR codes for URLs, WiFi, email, and more. Download as PNG or SVG. No signup.
Word & Character Counter
Count words, characters, sentences, and reading time. Works for essays, tweets, and content.
Aspect Ratio Calculator
Calculate proportional dimensions for any aspect ratio. Perfect for images, video, and design.
Age Calculator
Calculate your exact age in years, months, and days. Includes next birthday countdown.
Date Duration Calculator
Calculate days, weeks, and months between two dates. Includes business-days option.
Unit Converter
Convert length, weight, temperature, volume, area, speed, and data units. Free.
BMI Calculator
Calculate your Body Mass Index in metric or imperial units. Includes weight category.
TDEE Calculator
Calculate your Total Daily Energy Expenditure and daily calorie needs based on activity level.
Time Zone Converter
Convert times between time zones and find the best meeting time. Uses native browser APIs.
Decision Wheel
Add your options and spin the animated wheel to make a random decision. Fair and fun.
Percentage Calculator
Calculate percentages, percentage change, and reverse percentage in 4 different modes.
Random Number Generator
Generate random numbers within any range. Bulk generation, no duplicates option. Cryptographically fair.
Student Tools
5 toolsGPA calculator, citation generator, grade calculator, and study tools.
Grade Calculator
Calculate weighted course grades and find out what score you need on your final exam.
GPA Calculator
Calculate your GPA from course grades and credit hours. Standard 4.0 scale.
Citation Generator
Generate citations in APA, MLA, and Chicago style for websites, books, and journal articles.
Random Name Picker
Enter names and pick a random winner fairly. Great for giveaways, classrooms, and raffles.
Pomodoro Timer
Focus timer with work and break intervals, audio cue, and progress ring. Boost productivity.