Developer Tools

Format and validate JSON online

Generate UUID instantly

Encode and decode text to Base64 format online

Count the number of words in your text instantly

Count the number of characters in your text instantly

Count the number of lines in your text instantly

Reverse your text instantly

Convert your text to uppercase instantly

Convert text to uppercase, lowercase, title case, or sentence case

Encode or decode URL strings using encodeURIComponent

Translate text to Morse code or Morse code back to text

Calculate what percentage a value is of a total, or find a percentage of a number

Convert HEX color codes to RGB values and RGB back to HEX

Generate placeholder Lorem Ipsum text

Generate a secure random password with customizable options

Generate a SHA-256 hash from any text

Count how often each word appears in your text

Convert text to lowercase instantly

Convert text to title case

Encode or decode HTML special characters to/from HTML entities

Convert binary code to readable text

Convert text to binary representation

Format and beautify XML code online

Generate an MD5 hash from any text instantly

Generate random numbers within a specified range

Find and replace text in your input instantly

Remove duplicate lines from your text instantly

Convert text to sentence case instantly

Format and beautify HTML code online

Minify JavaScript code by removing comments and whitespace

Calculate the average (mean) of a list of numbers

Convert between decimal and binary numbers instantly

Format and beautify CSS code online

Minify CSS code by removing comments and whitespace

Minify HTML code by removing comments and extra whitespace

Calculate the standard deviation of a list of numbers

Convert Unix timestamps to human-readable dates and vice versa

Remove line breaks from text and join lines into a single paragraph

Sort lines of text alphabetically in ascending or descending order

Compare two texts and highlight the differences line by line

Convert numbers to Roman numerals and Roman numerals back to numbers

Delete all blank lines from your text instantly

Calculate your Body Mass Index from weight and height in metric or imperial units

Decode and inspect JWT tokens instantly in your browser

Check how strong your password is and get improvement suggestions

Convert any text into a clean, SEO-friendly URL slug

Convert JSON to XML or XML to JSON instantly in your browser

Convert CSV to JSON or JSON array to CSV instantly in your browser

Convert JSON to YAML or YAML to JSON instantly in your browser

Generate HTML meta tags for SEO, social sharing, and browser settings

Analyze keyword frequency and density in your text for SEO optimization

Calculate the final price after applying a percentage discount

Generate a robots.txt file with custom rules for search engine crawlers

Check WCAG color contrast ratio between foreground and background colors

Convert a JSON object into a TypeScript interface definition instantly

Beautify and format JavaScript code instantly in your browser

Test regular expressions against text and see all matches instantly

Format and beautify SQL queries online

Build and describe cron expressions for scheduling tasks

Convert Markdown text to HTML instantly in your browser

Validate one or multiple email addresses instantly in your browser

Generate random strings with customizable length and character sets

Convert between kilometers and miles instantly

Convert between Celsius and Fahrenheit instantly

Calculate the tax amount and total price including sales tax

Calculate your exact age in years, months, and days from your date of birth

Strip all HTML tags from text and get plain text output