Tarkarn Tools
Free online tools for text, development, conversion, and calculation
Text Tools
Character Counter
Count characters, words, sentences, and paragraphs in your text
Case Converter
Convert text to uppercase, lowercase, title case, and more
Duplicate Line Remover
Remove duplicate lines from your text
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text
Text Compare
Compare two texts and find differences
Line Break Remover
Remove line breaks and newlines from text
Whitespace Remover
Remove extra whitespace from text
Text Reverser
Reverse text characters, words, or lines
Word Counter
Count words and analyze word frequency
Sentence Extractor
Extract and number each sentence from text
Developer Tools
JSON Formatter
Format, validate, and beautify your JSON data
Base64 Encoder/Decoder
Encode and decode Base64 strings with full Unicode support
URL Encoder/Decoder
Encode or decode URL components for safe use in web addresses
HTML Escape/Unescape
Escape or unescape HTML special characters like <, >, &, and quotes
UUID Generator
Generate random UUID v4 identifiers for use in databases, APIs, and more
JWT Decoder
Decode and inspect JSON Web Tokens to view header, payload, and expiration status
Regex Tester
Test regular expressions with live matching, highlighting, and captured groups
Cron Expression Generator
Build and understand cron expressions with an interactive visual editor
Markdown Preview
Write Markdown and see a live rendered HTML preview side by side
YAML / JSON Converter
Convert between YAML and JSON formats quickly and easily
Converters
Unit Converter
Convert between length, weight, and temperature units
Color Code Converter
Convert between HEX, RGB, and HSL color formats
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal
Timestamp Converter
Convert between Unix timestamps and human-readable dates
CSS Unit Converter
Convert between px, rem, em, and other CSS units
Calculators
Age Calculator
Calculate exact age from birth date
D-Day Calculator
Calculate days between dates
BMI Calculator
Calculate Body Mass Index from height and weight
Percentage Calculator
Calculate percentages, percentage change, and more
Ratio Calculator
Calculate and simplify ratios
Loan Calculator
Calculate monthly payments and total interest
Tip Calculator
Calculate tip amount and split between people