Free Developer Tools
A collection of free online utilities for developers — no sign-up required.
- Base64 Encoder/Decoder
Easily encode and decode Base64 data with our online utility, so you can transmit your data safely or decode Base64-encoded strings.
Try it free → - Color Converter
Convert between RGB, CMYK, HSL, HEX, and other color formats instantly. Perfect for web design, print design, and digital color management.
Try it free → - CSS Inliner
Inline CSS styles into HTML elements for email templates. Perfect for WordPress email development and newsletter creation.
Try it free → - CSS Units Converter
Convert between CSS units (px, em, rem, %, vw, vh) instantly. Perfect for responsive web design and WordPress theme development.
Try it free → - HAR File Viewer
Analyze network requests and performance metrics from HAR (HTTP Archive) files. Perfect for WordPress performance debugging.
Try it free → - Hash Generator
Quickly generate secure hashes for your text using algorithms like SHA-256, SHA-512, MD5, and more.
Try it free → - JSON Formatter
Format and beautify your JSON data for better readability and debugging. Quickly visualize and organize your JSON data with ease.
Try it free → - JWT Parser
Decode and inspect JWT (JSON Web Token) tokens instantly. Perfect for debugging authentication and API security.
Try it free → - Lorem Ipsum Generator
Generate placeholder text in multiple languages and formats. Perfect for WordPress theme development and content mockups.
Try it free → - Markdown to HTML Converter
Convert Markdown syntax to clean HTML instantly. Preview rendered output and copy the raw HTML — perfect for blog posts, documentation, and content teams.
Try it free → - Number Base Changer
Convert numbers between different bases (binary, octal, decimal, hexadecimal) and perform bit operations. Perfect for low-level programming.
Try it free → - Query Parameters to JSON
Parse URL query parameters and convert them to JSON format instantly. Perfect for debugging API endpoints and URL-based data.
Try it free → - Random String Generator
Generate secure random strings, passwords, and API keys with customizable length and character sets. Perfect for WordPress security.
Try it free → - Regex Tester
Test and debug your regular expressions in real-time. Provides quick feedback on pattern matching for strings.
Try it free → - Slug Generator
Convert any text into a clean URL slug instantly. Choose your separator, toggle lowercase, and copy with one click — perfect for WordPress permalinks, page titles, and content teams.
Try it free → - SQL Minifier
Minify, format, and optimize SQL queries instantly. Perfect for WordPress database optimization and query debugging.
Try it free → - SVG Inliner
Convert SVG code with CSS classes or style tags into standalone SVG with inline styles. Perfect for email templates and document embedding.
Try it free → - SVG Viewer
Validate, optimize, and preview SVG graphics instantly. Perfect for WordPress media management and icon optimization.
Try it free → - Timestamp Converter
Paste Unix timestamps and get human-readable dates. Perfect for developers working with time-based data.
Try it free → - URL Encoder/Decoder
Convert URLs to a safe format with URL encoding or decode URL-encoded strings back to their original format.
Try it free → - UUID Generator
Generate UUID v1, v4, and v5 identifiers with multiple format options. Perfect for creating unique identifiers in WordPress development.
Try it free →