Calculators & Converters
High-utility tools for math, developer conversions, and finance calculations.
40 tools SEO-first pages Minimal client JS
Calculators
Percentage Calculator Calculate X percent of a value instantly.
calculator math Medium CPM
Percentage Change Calculator Calculate increase or decrease percentage between two numbers. calculator math Medium CPM
Circle Calculator Calculate diameter, circumference, and area from radius. calculator math Lower CPM
BMI Calculator Calculate body mass index from weight and height. calculator math High CPM
GCD & LCM Calculator Find greatest common divisor and least common multiple for two integers. calculator math Lower CPM
Prime Number Checker Check if a number is prime and see basic factors. calculator math Lower CPM
Quadratic Equation Solver Solve ax² + bx + c = 0 and view discriminant and roots. calculator math Medium CPM
Discount Calculator Calculate discount amount and final price. calculator finance High CPM
VAT / Sales Tax Calculator Calculate net, tax, and gross values. calculator finance High CPM
Loan Payment Calculator Estimate monthly loan payments and total interest. calculator finance High CPM
Compound Interest Calculator Calculate future value with compound interest. calculator finance High CPM
Savings Goal Calculator Estimate monthly savings needed to reach a target. calculator finance High CPM
Break-Even Calculator Calculate break-even units and revenue. calculator finance High CPM
Age Calculator Calculate age from date of birth. calculator math Medium CPM
Date Difference Calculator Find the difference between two dates. calculator math Medium CPM
Tip Calculator Calculate tip amount and split bill per person. calculator finance High CPM
ROI Calculator Calculate return on investment percentage. calculator finance High CPM
Profit Margin Calculator Calculate profit and margin from revenue and cost. calculator finance High CPM
Markup Calculator Calculate selling price from cost and markup percentage. calculator finance High CPM
Hourly to Salary Calculator Convert hourly pay to weekly, monthly, and annual salary. calculator finance High CPM
Converters
Binary to Decimal Converter Convert binary numbers to decimal values.
converter informatics Medium CPM
Decimal to Binary Converter Convert decimal numbers into binary representation. converter informatics Medium CPM
Hex to Decimal Converter Convert hexadecimal values to decimal. converter informatics Medium CPM
Decimal to Hex Converter Convert decimal values to hexadecimal. converter informatics Medium CPM
Text to Base64 Encoder Encode plain text to Base64. converter informatics Medium CPM
Base64 to Text Decoder Decode Base64 into plain text. converter informatics Medium CPM
Unix Timestamp Converter Convert Unix timestamps to UTC and local date/time. converter informatics Medium CPM
Temperature Converter Convert between Celsius, Fahrenheit, and Kelvin. converter math Medium CPM
Length Converter Convert between mm, cm, m, km, in, ft, yd, and mi. converter math Medium CPM
Weight Converter Convert between mg, g, kg, oz, and lb. converter math Medium CPM
Speed Converter Convert between km/h, mph, m/s, and knots. converter math Medium CPM
URL Encoder Encode text for safe use in URLs. converter informatics Medium CPM
URL Decoder Decode percent-encoded URL text. converter informatics Medium CPM
Formatter (Formatting)
Generators
UUID Generator Generate one or more UUID v4 identifiers.
generator informatics Medium CPM
SHA-256 Hash Generator Generate a SHA-256 hash for text input. generator informatics Medium CPM
Slug Generator Convert text into SEO-friendly URL slugs. generator informatics Medium CPM
Password Generator Generate secure random passwords in the browser. generator informatics Medium CPM