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Daily go-tos
Popular tools
Time
World Clock
Current time across major cities.
Time
Unix Timestamp Converter
Convert between Unix time and human-readable dates.
Converters
Color Converter
Convert colour values between HEX, RGB and HSL with a built-in WCAG contrast checker.
Developer
JSON Formatter
Format, validate and minify JSON.
Developer
Base64 Encoder / Decoder
Encode and decode Base64 strings instantly.
Writing
Word Counter
Word, character and reading-time counter.
What people use this week
Trending
Fresh in the platform
Recently added
ConvertersNEW
px ↔ rem Converter
Convert between pixels, rem and em units for CSS layouts.
AINEW
Token Estimator
Estimate token counts for LLM prompts.
WritingNEW
Slug Generator
Convert text into clean URL slugs.
WritingNEW
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text by paragraphs, sentences or words.
WritingNEW
Text Reverser
Reverse a string by characters, words or lines.
WritingNEW
Line Sorter
Sort lines alphabetically, numerically or randomly.
WritingNEW
Word Frequency Counter
Count how often each word appears in a text.
WritingNEW
Remove Line Breaks
Strip newlines and join paragraphs into a single line.
WritingNEW
Add Line Numbers
Prefix every line with a sequential number.
WritingNEW
Find & Replace
Replace text with optional case-sensitive and regex modes.
WritingNEW
Text Repeater
Repeat any text or pattern N times with an optional separator.
WritingNEW
Smart Title Case
Capitalise titles using AP, Chicago and sentence-case rules.
WritingNEW
Whitespace Cleaner
Trim, collapse and normalise whitespace and tabs.
DeveloperNEW
CSS Minifier
Strip comments and whitespace from CSS for production.
DeveloperNEW
JavaScript Minifier
Quickly minify JavaScript by removing comments and whitespace.
DeveloperNEW
HTML Minifier
Compress HTML by removing comments and unnecessary whitespace.
DeveloperNEW
SQL Formatter
Format and indent SQL queries for readability.
DeveloperNEW
HTML Entity Encoder
Encode and decode HTML entities like & and <.
DeveloperNEW
Markdown to HTML
Convert Markdown to clean, copyable HTML.
DeveloperNEW
JSON to CSV
Convert a JSON array of objects into a CSV table.
DeveloperNEW
CSV to JSON
Parse CSV text into a JSON array of objects.
DeveloperNEW
HTTP Status Codes
Search and look up the meaning of any HTTP status code.
DeveloperNEW
User Agent Parser
Inspect the browser, OS and device behind any user-agent string.
ConvertersNEW
Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal.
ConvertersNEW
Celsius to Fahrenheit Converter
Convert Celsius to Fahrenheit instantly with formulas, examples, and common temperature conversions.
ConvertersNEW
Fahrenheit to Celsius Converter
Convert Fahrenheit to Celsius instantly. See the formula, real examples and the most-searched °F → °C conversions.
ConvertersNEW
Kilograms to Pounds Converter
Convert kilograms (kg) to pounds (lbs) instantly with formula, real examples and a common-values reference table.
ConvertersNEW
Pounds to Kilograms Converter
Convert pounds (lbs) to kilograms (kg) instantly with formula, examples and common values.
ConvertersNEW
Miles to Kilometres Converter
Convert miles to kilometres instantly. Formula, real examples and a common-distance reference.
ConvertersNEW
Kilometres to Miles Converter
Convert kilometres to miles instantly with formula, examples and a quick reference table.
ConvertersNEW
Centimetres to Inches Converter
Convert centimetres to inches instantly with formula, examples and a clear reference.
ConvertersNEW
Inches to Centimetres Converter
Convert inches to centimetres instantly. Includes formula, real examples and a reference table.
ConvertersNEW
Litres to Gallons Converter
Convert litres to US and Imperial gallons instantly with formulas, examples and a reference table.
MathNEW
Percentage Calculator
Work out percentages, percentage of a number, percentage change and reverse percentages.
FinanceNEW
Tip Calculator
Calculate restaurant tip, total and per-person split for any bill.
HealthNEW
BMI Calculator
Calculate Body Mass Index (BMI) from height and weight in metric or imperial units.
MathNEW
Age Calculator
Calculate exact age in years, months and days from a date of birth.
FinanceNEW
Mortgage Calculator
Estimate monthly mortgage payments from loan amount, rate, term and payment frequency.
FinanceNEW
Loan Calculator
Calculate monthly loan payments and total interest for any fixed-rate loan.
FinanceNEW
Compound Interest Calculator
Project savings growth with compound interest, regular contributions and any compounding frequency.
FinanceNEW
Simple Interest Calculator
Calculate simple interest, total repayment and interest earned over time.
FinanceNEW
Discount Calculator
Work out sale price and savings from a percentage discount.
FinanceNEW
BC GST + PST Calculator
Calculate British Columbia GST (5%) and PST (7%) on any pre-tax amount.
GeneratorsNEW
Password Generator
Generate strong random passwords with custom length and character sets.
GeneratorsNEW
Random Number Generator
Generate random integers in any range, with optional uniqueness and count.
GeneratorsNEW
Dice Roller
Roll one or many dice (d4, d6, d8, d10, d12, d20, d100) with totals.
GeneratorsNEW
Coin Flip
Flip a virtual coin once or many times and see the heads/tails split.
GeneratorsNEW
Random Color Generator
Generate random colors in HEX, RGB and HSL with a click.
GeneratorsNEW
Random Name Picker
Pick one or more random names from a list — for raffles, draws, and team picks.
GeneratorsNEW
List Shuffler
Shuffle any list of items into a random order.
GeneratorsNEW
CSS Gradient Generator
Generate random linear-gradient CSS with copyable code.
GeneratorsNEW
Secret Key Generator
Generate cryptographically strong secret keys in hex, base64 or base64url.
GeneratorsNEW
Random Letter Generator
Generate random letters from A–Z, with options for case and count.
FinanceNEW
Currency Converter
Convert between world currencies using live mid-market exchange rates.
FinanceNEW
Crypto Converter
Convert between Bitcoin, Ethereum and major cryptocurrencies in any fiat currency.
FinanceNEW
Investment Return Calculator
Calculate compound annual growth rate (CAGR) and final value of any investment.
FinanceNEW
Inflation Calculator
Calculate how purchasing power changes over time at any inflation rate.
FinanceNEW
Salary & Tax Calculator
Convert between gross and net salary at any tax rate, with annual, monthly and weekly breakdowns.
TimeNEW
Business Days Calculator
Count working days (Monday–Friday) between two dates.
TimeNEW
Week Number Calculator
Find the ISO 8601 week number for any date.
HealthNEW
Calorie Calculator
Estimate daily calorie needs (TDEE) using the Mifflin-St Jeor equation.
HealthNEW
Protein Intake Calculator
Calculate daily protein target in grams based on bodyweight and goal.
HealthNEW
Water Intake Calculator
Estimate daily water needs based on bodyweight and activity.
HealthNEW
Running Pace Calculator
Convert running pace between min/km and min/mile, and project finish times.
HealthNEW
Body Fat Calculator
Estimate body fat percentage using the US Navy method.
EverydayNEW
Cooking Conversions
Convert cups, tablespoons, teaspoons, millilitres and grams.
EverydayNEW
Shoe Size Converter
Convert shoe sizes between US, UK, EU and JP for men, women and kids.
EverydayNEW
Ring Size Converter
Convert ring sizes between US, UK, EU and inner diameter / circumference.
EverydayNEW
Clothing Size Converter
Convert clothing sizes between US, UK, EU letter and numeric systems.
EverydayNEW
Fuel Cost Calculator
Estimate trip fuel cost from distance, vehicle consumption and fuel price.
EverydayNEW
MPG Converter
Convert fuel economy between MPG (US), MPG (UK), L/100km and km/L.
EverydayNEW
Baby Age Calculator
Calculate a baby's age in weeks, months and days from their birthdate.
MathNEW
Fraction Calculator
Add, subtract, multiply and divide fractions with automatic simplification.
MathNEW
Scientific Calculator
Evaluate math expressions with sin, cos, tan, log, sqrt and constants.
MathNEW
Ratio Calculator
Solve A:B = C:? proportions and simplify ratios to lowest terms.
MathNEW
Average Calculator
Calculate mean, median, mode, range and standard deviation from a list of numbers.
ScienceNEW
Density Calculator
Calculate density, mass or volume from any two known values.
ScienceNEW
Ohm's Law Calculator
Solve for voltage, current, resistance or power given any two values.
ScienceNEW
Voltage Divider Calculator
Calculate the output voltage of a two-resistor voltage divider.
ScienceNEW
Frequency Converter
Convert frequencies between Hz, kHz, MHz, GHz and period in seconds.
ScienceNEW
Torque Converter
Convert torque between Newton-metres, pound-feet and kilogram-force-metres.
ScienceNEW
Force Converter
Convert force between Newtons, pound-force, kilogram-force and dynes.
ConvertersNEW
DPI / PPI Calculator
Calculate pixel density, print size and dimensions for any DPI.
ConvertersNEW
Image Resize Calculator
Calculate target width, height and aspect ratio when resizing images.
Browse by category
Time
11Clocks, zones, timestamps
Converters
21Units, colors, sizes
Developer
20JSON, encoding, regex
AI
9Prompts, tokens, cleanup
Writing
17Counts, slugs, case
Math
6Calculators and numbers
Finance
12Money, loans, taxes
Health
6Fitness and wellbeing
Everyday
7Life, home, travel
Science
6Physics and engineering
Generators
10Random, secrets, codes
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