All Tools
Every tool, grouped by category. 169 and counting.
📝 Text Tools
Hub →Word Counter
Count words, characters, sentences and reading time as you type.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case or Sentence case.
Remove Duplicate Lines
Delete repeated lines from any list, instantly and in order.
Slug Generator
Turn any title into a clean, SEO-friendly URL slug.
Reverse Text
Flip text backwards by characters, words or lines.
Remove Line Breaks
Strip line breaks and join text into a single clean block.
Text Repeater
Repeat any text or word as many times as you want.
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences or words.
Random Name Generator
Generate random first and full names for testing, characters and more.
Character Counter
Count characters live and check against Twitter, SEO and SMS limits.
Text Diff Checker
Compare two blocks of text and highlight added and removed lines.
Sort Text Lines
Sort lines A–Z, numerically, by length, reverse or shuffle them.
Find and Replace
Find and replace text in bulk, with case, whole-word and regex options.
Word Frequency Counter
Count how often each word appears, ranked most-common first.
Title Case Converter
Convert headlines to proper title case with correct small-word rules.
Emoji Remover
Strip emoji and symbols from text — clean AI output, names and data.
Text Splitter
Split long text into chunks by characters or words, breaking on spaces.
AI Prompt Generator
Build clear, structured prompts for ChatGPT, Claude and other AI tools.
Text Cleaner
Clean messy text: fix spacing, strip HTML, normalise quotes and more.
Reading Level Calculator
Check readability with Flesch Reading Ease and grade level scores.
🛠️ Developer Tools
Hub →JSON Formatter
Beautify, minify and validate JSON instantly in your browser.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text instantly.
UUID Generator
Generate random RFC-4122 version-4 UUIDs in bulk.
URL Encoder / Decoder
Percent-encode text for URLs or decode it back to plain text.
JWT Decoder
Decode a JWT to inspect its header and payload claims.
Hash Generator
Generate SHA-256, SHA-1, SHA-384 and SHA-512 hashes of text.
Unix Timestamp Converter
Convert epoch timestamps to dates and dates back to epoch.
Number Base Converter
Convert between binary, octal, decimal and hexadecimal.
Regex Tester
Test regular expressions against sample text with live matches.
Password Generator
Generate cryptographically random passwords with one click.
HTML Entity Encoder / Decoder
Escape HTML special characters or decode entities back to text.
JSON to CSV Converter
Turn a JSON array of objects into clean, spreadsheet-ready CSV.
CSV to JSON Converter
Convert CSV (with a header row) into a clean JSON array of objects.
XML Formatter
Beautify or minify XML with proper indentation, validated in-browser.
SQL Formatter
Format messy SQL into readable, indented queries instantly.
Markdown to HTML Converter
Convert Markdown to clean HTML with a live preview.
Cron Expression Generator
Build and understand cron schedules with presets and a plain-English description.
AI Token Counter
Estimate how many tokens your prompt uses and what it costs.
JSON to TypeScript
Generate TypeScript interfaces from a JSON sample instantly.
CSS Minifier
Minify CSS by stripping comments and whitespace to shrink file size.
JSON Escape / Unescape
Escape text into a JSON string value, or unescape it back.
Query String Parser
Decode a URL's query string into a readable key/value table and JSON.
Random Number Generator
Generate random numbers in a range, with no-duplicates and sort options.
Password Strength Checker
Estimate password entropy and crack time — privately, in your browser.
Dice Roller
Roll dice with standard notation like 2d6+3 — for RPGs and games.
Caesar Cipher
Encrypt and decrypt text with a Caesar shift — or brute-force all 26.
ROT13 Encoder / Decoder
Apply ROT13 to hide or reveal text — the same button does both.
Unicode Converter
Convert text to Unicode code points (U+XXXX) and escapes, and back.
Base64 to Image
Decode Base64 to an image preview, or encode an image to a data URI.
Markdown Table Generator
Fill a grid and get a clean GitHub-flavored Markdown table.
JSON Repair
Fix common JSON errors: single quotes, trailing commas, unquoted keys.
Aspect Ratio Calculator
Resize dimensions to a ratio, or find the ratio of any width and height.
PX to REM Converter
Convert between px, rem and em for CSS using your root font size.
🎨 Color Tools
Hub →HEX to RGB Converter
Convert HEX color codes to RGB (and back) with a live preview.
RGB to HEX Converter
Convert RGB color values to a HEX code with live sliders and preview.
CSS Gradient Generator
Build linear and radial CSS gradients visually and copy the code.
Color Picker
Pick a color and get HEX, RGB, HSL, HSV and CMYK instantly.
Color Contrast Checker
Check text/background contrast against WCAG AA and AAA standards.
Color Shades Generator
Generate a tint-and-shade palette ramp from any base color.
Color Blindness Simulator
Preview how a color looks with the main types of color blindness.
HEX to HSL Converter
Convert a hex color code to HSL (hue, saturation, lightness).
CMYK to RGB Converter
Convert CMYK print colors to RGB and HEX for screen use.
📐 Unit Converters
Hub →Length Converter
Convert length units instantly — km, miles, meters, feet, inches.
Weight Converter
Convert weight units instantly — kg, pounds, grams, ounces.
Data Storage Converter
Convert data storage units instantly — bytes, KB, MB, GB, TB.
Speed Converter
Convert speed units instantly — km/h, mph, m/s, knots.
Time Converter
Convert time units instantly — seconds, minutes, hours, days.
Area Converter
Convert area units instantly — sq meters, sq feet, acres, hectares.
Volume Converter
Convert volume units instantly — liters, gallons, ml, cups.
Pressure Converter
Convert pressure units instantly — bar, psi, pascal, atm.
Energy Converter
Convert energy units instantly — joules, calories, kWh.
Power Converter
Convert power units instantly — watts, kilowatts, horsepower, BTU/hour.
Angle Converter
Convert angle units instantly — degrees, radians, gradians.
Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin instantly.
PDF Merge
Combine multiple PDFs into one file without uploading anything.
Roman Numeral Converter
Convert numbers to Roman numerals and Roman numerals back to numbers.
Number to Words
Spell out any number in words — for cheques, contracts and invoices.
Text to Binary
Convert text to binary and binary back to text (UTF-8, 8-bit).
Fuel Economy Converter
Convert between MPG (US/UK), km/L and L/100km accurately.
📅 Date & Time
Hub →Hours Calculator
Add up hours from multiple start/end times for timesheets and payroll.
Days Until Calculator
Count how many days until (or since) any date, plus the weekday.
Day of the Week Calculator
Find which day of the week any date falls on — past or future.
Week Number Calculator
Find the ISO week number for any date — what week of the year is it?
Leap Year Calculator
Check if a year is a leap year, with the next and previous ones.
Age Calculator
Your exact age from your date of birth, plus days to your next birthday.
Date Difference Calculator
Count the days, weeks, months and years between two dates.
Business Days Calculator
Count working days (Mon-Fri) between two dates, minus holidays.
Time Duration Calculator
Work out hours and minutes between a start and end time, minus breaks.
Military Time Converter
Convert between military (24-hour) time and 12-hour AM/PM time.
🔢 Math & Numbers
Hub →Percentage Difference Calculator
Find the percentage difference and percentage change between two numbers.
Decimal to Fraction
Convert a decimal to a fraction in lowest terms — and fractions back to decimals.
Fraction Calculator
Add, subtract, multiply and divide fractions, reduced to lowest terms.
Mean, Median, Mode Calculator
Get mean, median, mode, range and standard deviation from a list of numbers.
LCM & GCD Calculator
Find the least common multiple and greatest common divisor of any numbers.
Prime Number Checker
Check if a number is prime, with its factors and the nearest primes.
Square Root Calculator
Find the square root, cube root and any nth root of a number.
Rounding Calculator
Round numbers to decimals, significant figures or the nearest 10/100/1000.
Exponent Calculator
Raise any base to any power, including negative and fractional exponents.
Scientific Notation Converter
Convert between standard numbers and scientific notation (a × 10ⁿ).
Factorial Calculator
Compute n! exactly, even for large numbers, with big-integer math.
Modulo Calculator
Find the remainder (a mod b), with both truncated and floored conventions.
💪 Health & Fitness
Hub →BMR Calculator
Find your basal metabolic rate and daily calorie needs (TDEE).
Macro Calculator
Split your daily calories into protein, carbs and fat in grams.
One Rep Max Calculator
Estimate your one-rep max from a set, with training percentages.
Body Fat Calculator
Estimate body fat percentage with the U.S. Navy tape method.
Ideal Weight Calculator
Estimate ideal body weight from height with four classic formulas.
Protein Intake Calculator
Find your daily protein target in grams based on weight and goal.
Water Intake Calculator
Estimate how much water to drink each day from weight and activity.
Body Surface Area Calculator
Calculate body surface area with Mosteller, Du Bois and Haycock.
💰 Finance Calculators
Hub →EMI Calculator
Calculate your monthly loan EMI, total interest and total payment.
SIP Calculator
Estimate the future value of your monthly mutual fund SIP.
GST Calculator
Add or remove GST at 5%, 18% or any other slab in seconds.
Compound Interest Calculator
See how your money grows with compound interest over time.
Simple Interest Calculator
Calculate simple interest and total amount in seconds.
FD Calculator
Estimate your fixed deposit maturity value and interest.
Percentage Calculator
Work out percentages, ratios and percentage change.
Discount Calculator
Find the sale price and how much you save on a discount.
Gratuity Calculator
Calculate your gratuity with the 15/26 formula in seconds.
HRA Calculator
Find how much of your HRA is tax-exempt with the 3-rule test.
Inflation Calculator
See what today's money will be worth — and cost — in the future.
Lumpsum Calculator
Project the future value of a one-time investment.
CAGR Calculator
Find the compound annual growth rate between two values.
SWP Calculator
Plan monthly withdrawals — and see how long your corpus lasts.
Income Tax Calculator
Calculate your income tax under India's new regime instantly.
Salary Calculator
Convert your CTC into the monthly amount that actually arrives.
PPF Calculator
Project your Public Provident Fund maturity, tax-free.
RD Calculator
Calculate recurring deposit maturity with quarterly compounding.
NPS Calculator
Project your retirement corpus and pension under NPS.
Home Loan EMI Calculator
Calculate your housing loan EMI, interest and total cost.
Car Loan EMI Calculator
Work out your car loan EMI before you visit the showroom.
Tip Calculator
Work out the tip and split the bill between any number of people.
GPA Calculator
Calculate your grade point average on the 4.0 scale, weighted by credits.
Step Up SIP Calculator
Project your SIP's maturity value when you increase it every year.
Sukanya Samriddhi Yojana Calculator
Calculate the maturity value of your daughter's SSY account.
EPF Calculator
Project your Employees' Provident Fund balance at retirement.
FIRE Calculator
Find your FIRE number and how many years until you reach it.
Net Worth Calculator
Add what you own, subtract what you owe — your true financial position.
Emergency Fund Calculator
How much you should keep aside, and how long until you're covered.
Percentage Increase Calculator
Find the percent change between two numbers — increase or decrease.
Zakat Calculator
Work out your zakatable wealth, the nisab, and the 2.5% due.
VAT Calculator
Add VAT to a net price or back it out of a gross price, at any rate.
Mortgage Calculator
Monthly repayments, total interest, LTV and a year-by-year schedule.
GST Calculator (Australia)
Add 10% GST to a price or back it out of a GST-inclusive total.
Superannuation Calculator
Project your Australian super balance from salary and employer contributions.
Salary to Hourly Calculator
Convert an annual salary to hourly, daily, weekly and monthly pay — or back.
Overtime Pay Calculator
Calculate time-and-a-half or double-time pay and your weekly total.
UK Salary Calculator
Your monthly take-home from gross salary: income tax, NI, pension, student loan.
National Insurance Calculator
Your employee NI for 2025/26, with the band-by-band breakdown.
Student Loan Repayment Calculator
What you'll repay monthly on Plan 1, 2, 4, 5 or postgraduate loans.
Capital Gains Tax Calculator
CGT on shares, crypto and property at the 18% and 24% rates.
Retirement Calculator
Project your retirement savings and the monthly income they can support.
Loan Prepayment Calculator
See what a lump-sum prepayment saves: shorter tenure vs lower EMI, compared.
TDS Calculator
TDS on interest, rent, contractor, commission and professional fees.
YouTube Earnings Calculator
Estimate monthly and yearly YouTube income from views and your niche's RPM.
ROI Calculator
Calculate return on investment, net gain and annualized return.
Profit Margin Calculator
Calculate profit, profit margin and markup from cost and selling price.
Markup Calculator
Set a selling price from cost and a target markup percentage.
Break-Even Calculator
Find how many units you must sell to cover your costs.
Sales Tax Calculator
Add or remove US sales tax and see the net, tax and total.
Savings Goal Calculator
See how long it takes to reach a savings goal with monthly deposits.
Mutual Fund Calculator
Estimate mutual fund returns for a monthly SIP or a one-time lumpsum.
PAYE Calculator (South Africa)
Work out monthly PAYE income tax and take-home pay using SARS 2024/25 brackets.
UIF Calculator
Calculate the 1% UIF deduction and employer contribution from your salary.
13th Month Pay Calculator
Compute your mandatory 13th month pay from your basic salary.
Income Tax Calculator (Pakistan)
Calculate salaried income tax and take-home pay using FY 2024-25 slabs.
🔍 SEO Tools
Hub →Keyword Density Checker
Find your most-used words and phrases and their density %.
Robots.txt Generator
Create a valid robots.txt to control how crawlers index your site.
UTM Builder
Build trackable campaign URLs with UTM parameters for analytics.
Meta Tag Generator
Generate SEO, Open Graph and Twitter meta tags for your page.