Developer & Code Tools Free Online

Code Formatter

Automatically format your code for readability and consistency.

Code Minifier

Reduce the file size of your code for faster loading times.

CSS Optimizer

Optimize your CSS for better performance and maintainability.

JavaScript Validator

Check your JavaScript code for syntax errors and potential issues.

HTML Validator

Validate your HTML markup against W3C standards.

JSON Formatter

Format and validate your JSON data.

XML Formatter

Format and validate your XML data.

SQL Formatter

Format your SQL queries for better readability.

Regex Tester

Test your regular expressions against sample text.

Hash Generator

Generate various types of hashes from your input.

Password Generator

Create strong, secure, and random passwords.

UUID Generator

Generate universally unique identifiers (UUIDs).

Base64 Encoder/Decoder

Encode and decode data in Base64 format.

URL Encoder/Decoder

Encode and decode URLs for safe transmission.

Color Code Converter

Convert colors between different formats like hex, RGB, and HSL.

Lorem Ipsum Generator

Generate placeholder text for your designs and mockups.

Placeholder Image Generator

Create placeholder images of any size for your layouts.

Git Command Helper

Find the right Git command for your needs.

CSS Grid Generator

Visually create complex CSS grid layouts.

HTTP Status Codes

Browse and search all HTTP status codes with descriptions and use cases.

Number Base Converter

Convert numbers between Binary, Decimal, Hexadecimal and Octal.

HTML Entity Encoder

Encode and decode HTML entities like < & © instantly.

Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

Word & Character Counter

Count words, characters, sentences, paragraphs and estimate reading time.

CSS Box Shadow Generator

Visually generate CSS box shadows with live preview.

CSS Gradient Generator

Visually build CSS linear and radial gradients with live preview.

CSS Flexbox Generator

Visually create CSS flexbox layouts and get the ready-to-use code.

Image to Base64

Convert any image to a Base64 string for use in HTML or CSS.

JWT Decoder

Decode and inspect JWT tokens. Header, payload, and signature.

Cron Expression Generator

Visually build cron expressions and see human-readable descriptions.

Markdown Editor & Preview

Write Markdown and see a live HTML preview side by side.

Diff Checker

Compare two texts and highlight the differences line by line.

JSON to TypeScript

Convert JSON to TypeScript interfaces instantly in your browser.

JSON ↔ YAML Converter

Convert between JSON and YAML formats bidirectionally.

Color Contrast Checker

Check WCAG color contrast ratios for accessible design.

SVG to JSX Converter

Convert SVG markup to React JSX with proper camelCase attributes.

String Escape & Unescape

Escape and unescape strings for JavaScript, HTML, and URLs.

Unix Permissions Calculator

Convert between octal and symbolic Unix file permission notations.

cURL to Code Converter

Convert cURL commands to JavaScript, Python, or cleaned cURL.

Redirect Generator

Generate .htaccess or Nginx redirect rules for Apache and Nginx servers.

Crontab to Human Reader

Convert cron expressions into human-readable descriptions.

JSON Schema Validator

Validate JSON data against a JSON Schema with detailed error reporting.

Regex Explainer

Explain any regular expression in plain English with AI-powered breakdown.

Code Explainer

Paste any code snippet and get an AI-powered explanation in plain language.