Explore All Tools
Find the right tool for your next task.
BMI Calculator
Calculate body mass index from metric measurements.
Case Converter
Convert text to uppercase, lowercase, title or sentence case.
Contrast Checker
Check WCAG color contrast ratio.
Hash Generator
Generate SHA-1, SHA-256, SHA-384 or SHA-512 hashes.
JSON Formatter
Format or minify JSON data.
Loan Calculator
Estimate monthly loan payments and total interest.
Password Generator
Generate secure random passwords locally.
Percentage Calculator
Calculate a percentage of a value.
Slug Generator
Create a clean SEO-friendly URL slug from any title.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin.
Word Counter
Count words, characters, sentences, paragraphs and reading time.
Age Calculator
Calculate an exact age from a date of birth.
Angle Converter
Convert degrees, radians and gradians.
Area Converter
Convert common area units.
Aspect Ratio Calculator
Resize dimensions while preserving aspect ratio.
Average Calculator
Calculate average, minimum, maximum and total.
Base64 Encoder
Encode or decode UTF-8 Base64 text.
Binary Text Converter
Convert UTF-8 text to binary and back.
Box Shadow Generator
Build CSS box-shadow declarations.
Business Days Calculator
Count weekdays between two dates.
Canonical Tag Generator
Generate a canonical link tag.
Character Counter
Count characters, spaces and lines instantly.
Checksum Generator
Generate a SHA checksum for text.
Coin Flipper
Flip one or more virtual coins.
Color Converter
Convert HEX colors to RGB and HSL.
Color Palette Generator
Generate a harmonious palette from one base color.
Compound Interest Calculator
Estimate compound investment growth.
Countdown Calculator
Calculate the time remaining until a target date.
Cron Explainer
Explain the five fields of a cron expression.
CSP Generator
Generate a starter Content-Security-Policy header.
CSS Minifier
Minify CSS source for smaller output.
CSV to JSON
Convert CSV rows into structured JSON.
Data Size Converter
Convert bytes, KB, MB, GB and TB.
Date Difference Calculator
Calculate the exact difference between two dates.
Decision Picker
Randomly choose one option from a list.
Dice Roller
Roll one or more virtual dice.
Discount Calculator
Calculate discount amount and final price.
Email Obfuscator
Obfuscate email addresses for safer publishing.
Energy Converter
Convert joules, calories and watt-hours.
FAQ Schema Generator
Generate valid FAQPage JSON-LD markup.
Favicon Preview
Preview an image at common favicon sizes.
Find and Replace
Find and replace every matching phrase in text.
Fuel Cost Calculator
Estimate fuel use and trip cost.
GPA Calculator
Calculate a weighted grade point average.
Gradient Generator
Build a CSS linear gradient visually.
HSL Color Converter
Convert HSL values to HEX and RGB.
HTML Entity Encoder
Encode or decode HTML entities safely.
HTML Minifier
Minify HTML source for smaller output.
Image Resizer
Resize an image locally and download the result.
Image to Base64
Convert a local image into a Base64 data URL.
IP Anonymizer
Mask the final portion of IPv4 or IPv6 addresses.
JavaScript Minifier
Apply safe basic JavaScript whitespace minification.
JSON Validator
Validate JSON and show syntax errors.
JWT Decoder
Decode JWT header and payload locally.
Keyword Density Checker
Analyze keyword frequency and density.
Length Converter
Convert metric and imperial length units.
Line Numberer
Add sequential numbers to every line.
List Randomizer
Shuffle a list using secure randomness.
Lorem Ipsum Generator
Generate placeholder paragraphs for layouts and prototypes.
Meta Tag Generator
Generate essential SEO meta tags.
Morse Code Converter
Convert plain text to Morse code and decode it again.
Number Base Converter
Convert decimal, binary, octal and hexadecimal.
Open Graph Generator
Generate Open Graph tags for social sharing.
Pace Calculator
Calculate running pace from distance and duration.
Passphrase Generator
Generate memorable random passphrases.
Password Strength Checker
Estimate password strength locally.
PIN Generator
Generate secure numeric PIN codes.
Pomodoro Timer
Run a focused work and break timer.
Power Converter
Convert watts, kilowatts and horsepower.
PPN Calculator
Calculate Indonesian VAT inclusive or exclusive totals.
Pressure Converter
Convert Pa, kPa, bar, psi and atm.
Profit Margin Calculator
Calculate profit, margin and markup.
QR Code Generator
Create a downloadable QR code from text or a URL.
Random Number Generator
Generate a random integer within a range.
Random String Generator
Generate cryptographically secure random strings.
Redirect Generator
Generate Apache and Nginx redirect rules.
Regex Tester
Test a regular expression against sample text.
Remove Duplicate Lines
Remove repeated lines while preserving their original order.
Remove Empty Lines
Remove blank lines from pasted text.
Reverse Text
Reverse characters, words or line order.
Robots.txt Generator
Generate a robots.txt configuration.
Roman Numeral Converter
Convert numbers to and from Roman numerals.
Secure Token Generator
Generate a hexadecimal security token.
SERP Preview
Preview a page title, URL and description in search results.
Sitemap URL Generator
Convert a URL list into an XML sitemap.
Speed Converter
Convert speed units including km/h, mph and knots.
SQL Formatter
Improve readability of common SQL statements.
Stopwatch
Run a precise browser-based stopwatch.
Text Sorter
Sort lines alphabetically or numerically.
Text Trimmer
Trim leading and trailing whitespace on every line.
Time Converter
Convert seconds, minutes, hours and days.
Timestamp Converter
Convert Unix timestamps and human-readable dates.
Timezone Difference Calculator
Compare two UTC time offsets.
Tip Calculator
Calculate gratuity, bill total and amount per person.
URL Encoder
Encode or decode URL components.
Username Generator
Generate clean random username ideas.
UTM Builder
Build campaign URLs with UTM parameters.
UUID Generator
Generate secure version 4 UUID values.
Volume Converter
Convert common liquid and volume units.
Weight Converter
Convert metric and imperial weight units.
Word Frequency Analyzer
Find the most frequently used words in text.