All tools
Browse tools by category. Interactive processing stays in your browser whenever possible.
Text Tools
Count, clean, transform and organize text directly in your browser.
Word Counter
Count words, characters, sentences and paragraphs instantly.
Character Counter
Count characters with and without spaces in real time.
Case Converter
Convert text to uppercase, lowercase, title case and sentence case.
Remove Duplicate Lines
Remove repeated lines while preserving the original order.
Sort Lines
Sort lines alphabetically in ascending or descending order.
Reverse Text
Reverse characters, words or line order instantly.
Remove Extra Spaces
Clean repeated spaces, tabs and unnecessary blank lines.
Find and Replace
Find text and replace every matching occurrence.
Text Compare
Compare two text blocks and identify changed lines.
Slug Generator
Turn titles and phrases into clean URL slugs.
Line Counter
Count total, non-empty and empty lines in text.
Sentence Counter
Count sentences and estimate average sentence length.
Paragraph Counter
Count paragraphs and words per paragraph.
Text to List Converter
Convert separated text into a clean line-by-line list.
List to Text Converter
Join list items with commas, spaces or custom separators.
Remove Empty Lines
Delete blank lines while preserving text order.
Add Line Numbers
Add configurable numbers to every line of text.
Strip HTML Tags
Remove HTML tags and keep readable text content.
Text Repeater
Repeat text a chosen number of times with a separator.
Whitespace Visualizer
Reveal spaces, tabs and line breaks in text.
Developer Tools
Format, validate and convert developer data without sending it to a server.
JSON Formatter
Format and indent JSON for easier reading.
JSON Validator
Check whether JSON is valid and locate syntax errors.
JSON Minifier
Remove whitespace from JSON and create compact output.
JSON Escape
Escape text so it can be safely included in a JSON string.
JSON Unescape
Convert escaped JSON string content back to readable text.
JSON to CSV
Convert an array of JSON objects into CSV.
JSON to XML
Convert JSON objects and arrays into readable XML.
JSON to YAML
Convert JSON data into readable YAML.
Base64 Encode
Encode Unicode text as Base64.
Base64 Decode
Decode Base64 into readable Unicode text.
URL Encode
Encode text for safe use in URLs and query strings.
URL Decode
Decode percent-encoded URL text into readable content.
HTML Encode
Convert special characters into HTML entities.
HTML Decode
Convert HTML entities back into readable characters.
XML Formatter
Format XML with readable indentation.
XML Validator
Check whether XML is well-formed.
YAML Validator
Check common YAML syntax and indentation issues.
UUID Generator
Generate secure random UUID version 4 values.
JWT Decoder
Decode JWT headers and payloads without verifying signatures.
Unix Timestamp Converter
Convert Unix timestamps to dates and dates back to timestamps.
Security Tools
Generate passwords, tokens and hashes locally.
Password Generator
Generate strong passwords with configurable character groups.
Passphrase Generator
Generate memorable multi-word passphrases securely.
Random String Generator
Create cryptographically secure random strings.
Secure Token Generator
Generate secure hexadecimal or Base64 URL-safe tokens.
Password Strength Checker
Estimate password strength and identify common weaknesses.
SHA-256 Hash Generator
Generate a SHA-256 digest from text.
SHA-512 Hash Generator
Generate a SHA-512 digest from text.
HMAC Generator
Generate HMAC signatures with SHA-256 or SHA-512.
Basic Auth Header Generator
Create an HTTP Basic Authorization header.
Hash Compare
Compare two hashes using timing-safe style logic.
QR Tools
Create useful QR codes without storing their content.
QR Text Generator
Create a QR code from plain text.
QR URL Generator
Create a QR code that opens a website URL.
WiFi QR Code Generator
Create a QR code for joining a WiFi network.
Email QR Code Generator
Create a QR code for a prefilled email message.
Phone QR Code Generator
Create a QR code that starts a phone call.
SMS QR Code Generator
Create a QR code for a prefilled SMS message.
WhatsApp QR Code Generator
Create a QR code that opens a WhatsApp chat.
vCard QR Code Generator
Create a QR code containing contact details.
Location QR Code Generator
Create a QR code for geographic coordinates.
Event QR Code Generator
Create a QR code for a calendar event.
Calculators
Fast calculators for work and everyday decisions.
Percentage Calculator
Calculate a percentage of any number.
Percentage Change Calculator
Calculate percentage increase or decrease.
Discount Calculator
Calculate sale price and savings.
Tip Calculator
Calculate tip and total per person.
Age Calculator
Calculate age from a date of birth.
BMI Calculator
Calculate body mass index from height and weight.
Loan Calculator
Estimate monthly loan payments and total interest.
Simple Interest Calculator
Calculate simple interest and final amount.
Compound Interest Calculator
Estimate compound growth over time.
Date Difference Calculator
Find the number of days between two dates.
Time Duration Calculator
Calculate elapsed time between two times.
Average Calculator
Calculate mean, sum, minimum and maximum.
Ratio Calculator
Simplify ratios and calculate equivalent values.
Proportion Calculator
Solve a missing value in an equivalent proportion.
Fraction Calculator
Add, subtract, multiply or divide two fractions.
GCD and LCM Calculator
Find the greatest common divisor and least common multiple.
Pace Calculator
Calculate pace and speed from distance and time.
Unit Price Calculator
Compare product prices by quantity or weight.
Profit Margin Calculator
Calculate profit, margin and selling price.
Markup Calculator
Calculate markup percentage and selling price from cost.
Converters
Simple unit and data conversions with immediate results.
Length Converter
Convert between common length units.
Weight Converter
Convert between common mass and weight units.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin.
Area Converter
Convert between common area units.
Volume Converter
Convert between metric and imperial volume units.
Speed Converter
Convert between common speed units.
Time Converter
Convert seconds, minutes, hours and days.
Data Storage Converter
Convert bytes, kilobytes, megabytes and larger units.
Pressure Converter
Convert pascals, bars, PSI and atmospheres.
Energy Converter
Convert joules, calories and watt-hours.
Power Converter
Convert watts, kilowatts and horsepower.
Angle Converter
Convert degrees, radians and turns.
Frequency Converter
Convert hertz, kilohertz, megahertz and gigahertz.
Force Converter
Convert newtons, pound-force and kilogram-force.
Torque Converter
Convert newton-metres, pound-feet and pound-inches.
Density Converter
Convert common density units.
Acceleration Converter
Convert metres per second squared, g-force and feet per second squared.
Fuel Economy Converter
Convert MPG and litres per 100 kilometres.
Data Transfer Rate Converter
Convert bits and bytes per second.
Cooking Volume Converter
Convert teaspoons, tablespoons, cups and millilitres.