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Beautify and format JSON with syntax highlighting

Validate JSON syntax and catch errors instantly

Minify JSON by removing whitespace to reduce size

Decode and inspect JSON Web Tokens client-side

Generate v4 UUIDs in bulk with one click

Encode and decode Base64 strings instantly

Test regular expressions with live match highlighting

Encode and decode URL components and query strings

Format and beautify SQL queries for readability

Beautify and format HTML markup with indentation

Beautify and minify CSS stylesheets

Convert Unix timestamps to human-readable dates

Count words, characters, sentences and reading time

Count chars with Twitter, SMS and platform limits

Convert between camelCase, snake_case, UPPER and more

Remove duplicate lines from any list instantly

Sort lines alphabetically, numerically or by length

Generate QR codes for URLs, text, email and more

Compress images client-side without quality loss

Resize images to exact dimensions or percentages

Pick colors and convert between HEX, RGB and HSL

Calculate GPA and CGPA from grades and credit hours

Full-featured scientific calculator with history

Calculate percentages, discounts and changes

Check your resume ATS compatibility and keyword score

Generate professional GitHub README.md files

Generate structured pull request descriptions