Free developer tools

Code Tools

JSON Formatter & Validator

Pretty-print, minify and validate JSON instantly.

Converters

Base64 Encoder/Decoder

Encode text to Base64 or decode it back, UTF-8 safe.

Code Tools

Regex Tester

Test regular expressions with live match highlighting.

Code Tools

HTML/CSS/JS Minifier

Shrink HTML, CSS and JavaScript by removing whitespace and comments.

Text Tools

Word & Character Counter

Count words, characters, sentences and reading time.

Security

Password Generator

Create strong random passwords with your rules.

Generators

UUID Generator

Generate random v4 UUIDs in bulk.

Text Tools

Text Diff Checker

Compare two texts line by line and spot changes.

Design

Color Picker & Converter

Pick a color and convert between HEX, RGB and HSL.

Converters

URL Encoder/Decoder

Percent-encode or decode URL strings.

Generators

Lorem Ipsum Generator

Generate placeholder paragraphs for mockups.

Text Tools

Case Converter

Convert text to UPPER, lower, Title, camelCase, snake_case and more.

Converters

Markdown to HTML

Convert Markdown into clean HTML with live preview.

Converters

Unix Timestamp Converter

Convert Unix timestamps to dates and back.

Generators

QR Code Generator

Create downloadable QR codes for links and text.