JSON Formatter and Validator

Beautify, validate, and minify JSON data with syntax highlighting and error detection. Support for multiple indentation styles and real-time validation. Perfect for API development, debugging, and data processing.

Features: Real-time JSON validation, syntax highlighting, multiple formatting styles, minify JSON, copy formatted output, handles large files efficiently, dark mode optimized interface.

Base64 Encoder and Decoder

Encode text or files to Base64 format and decode Base64 strings back to original content. Support for images, documents, and binary files with URL-safe encoding options.

Features: Encode text or files to Base64, decode Base64 strings, support for images and documents, URL-safe encoding, character encoding support, instant preview, copy or download results.

Color Picker and Palette Generator

Professional color selection tool supporting HEX, RGB, RGBA, HSL, and HSLA formats. Generate harmonious color palettes, check WCAG contrast ratios, and extract colors from images.

Features: Visual color picker, multiple color formats, palette generator with harmony rules, extract colors from images, contrast ratio checker for accessibility, save favorite palettes.

Timestamp Converter

Convert between Unix timestamps and human-readable dates. Support for multiple date formats, timezone conversion, and relative time calculations. Essential for API development and debugging.

Features: Convert Unix timestamps to dates, convert dates to timestamps, timezone conversion, multiple date formats, current timestamp generator, relative time calculations, batch conversion.

Password Generator

Generate cryptographically secure random passwords with customizable rules. Control character types, length, and exclude ambiguous characters for better readability.

Features: Secure random generation, customizable length, control character types, password strength indicator, exclude ambiguous characters, generate multiple passwords, one-click copy.

URL Encoder and Decoder

Encode and decode URLs for safe transmission through text-based protocols. Support for full URL encoding and component encoding with real-time preview.

Features: Encode URLs, decode URL-encoded strings, full URL or component encoding, handle query parameters, preserve URL structure, batch processing, real-time preview.

QR Code Generator

Generate and scan QR codes for URLs, text, phone numbers, emails, and WiFi networks. Customizable size, error correction levels, colors, and logo embedding.

Features: Generate QR codes, scan and decode QR codes, customizable size and error correction, download as PNG/SVG/PDF, color customization, add logos, real-time preview.

Markdown Editor

Online Markdown editor with live preview and GitHub Flavored Markdown support. Syntax highlighting for code blocks, table creation, and export to multiple formats.

Features: Live preview, GitHub Flavored Markdown, syntax highlighting, table creation, export to HTML/PDF, keyboard shortcuts, auto-save functionality.

Regular Expression Tester

Test and debug regular expressions with real-time match highlighting. Support for all JavaScript regex flags, pattern explanation, and common regex library.

Features: Real-time testing, all JavaScript regex flags, detailed pattern explanation, match groups visualization, common pattern library, performance metrics, export to multiple languages.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes for text and files. HMAC generation with custom secret keys and file integrity verification.

Features: Multiple hash algorithms, hash text or files, HMAC generation, verify file integrity, support for large files, simultaneous calculation, copy individual or all hashes.

JSON Formatting Best Practices for Developers

Learn essential techniques for working with JSON data, from formatting to validation and optimization. Understand consistent indentation, key naming conventions, and performance optimization for production environments.

Complete Guide to Base64 Encoding

Understand Base64 encoding, its use cases, and best practices for web development and data transmission. Learn when to use Base64, when to avoid it, and how to implement it correctly across different programming languages.

Essential Regular Expression Patterns

Master the most useful regex patterns for validation, data extraction, and text processing. Comprehensive guide covering email validation, phone numbers, passwords, dates, and advanced techniques.

Color Theory for Developers

Learn how to choose, combine, and test colors for web applications with accessibility in mind. Understand color models, harmony rules, WCAG guidelines, and best practices for creating accessible color palettes.

URL Encoding Explained

Master URL encoding and decoding for building robust web applications and APIs. Learn when and how to use encodeURI vs encodeURIComponent, handle special cases, and avoid common pitfalls.