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Developer Tools

Essential utilities for developers and programmers. Fast, reliable, and completely client-side.

Developer-Focused10 Essential Tools
Regex Tester
Test and debug regular expressions

Features:

Multiple flagsPattern explanationMatch groups

Pro:

Saved patternsPattern library
API Tester
Test REST API endpoints with custom headers and request body

Features:

HTTP methods supportCustom headersRequest/response inspection

Pro:

Request historyEnvironment variables
Timestamp Converter
Convert between Unix timestamps and human-readable dates

Features:

Live current timeBidirectional conversionMultiple formats

Pro:

Batch conversionCustom timezone support
Diff & Merge Tool
Compare and merge text, JSON, and code with syntax highlighting

Features:

Text/JSON/Code comparisonSyntax highlightingMerge conflicts resolution

Pro:

File comparisonDirectory diff
Code Minifier & Beautifier
Minify and beautify JavaScript, CSS, HTML, and JSON code

Features:

JS/CSS/HTML/JSON supportMinification & beautificationGzip size calculation

Pro:

Batch processingCustom rules
Color Tools & Converters
Advanced color manipulation, conversion, and analysis tools

Features:

Color space conversionColor harmonyContrast analysis

Pro:

Custom color palettesBrand color management
Cron Expression Builder
Build and test cron expressions with a visual interface

Features:

Visual cron builderExpression validationNext run times

Pro:

Advanced schedulingMultiple timezone support
Open Graph Generator
Generate Open Graph meta tags for better social media sharing

Features:

OG tag generationSocial media previewMultiple platforms

Pro:

Bulk generationCustom templates
HTTP Header Tester
Analyze HTTP headers, security headers, and response metadata

Features:

Header analysisSecurity assessmentCORS testing

Pro:

Bulk testingHistorical tracking
Webhook Tester & Debugger
Test and debug webhooks with request inspection and response simulation

Features:

Request inspectionResponse simulationHistory logging

Pro:

Webhook monitoringAlert system
Learn More

Complete Guide & Features

Our developer tools are built by developers, for developers. Every tool is designed to solve real coding challenges with speed, accuracy, and zero compromise on privacy. All processing happens locally in your browser, ensuring your code and data never leave your device.

JSON & Data Processing

Work with JSON data effortlessly using our JSON Formatter & Validator. Format messy JSON with customizable indentation, validate syntax with detailed error messages, minify for production, and analyze structure with automatic statistics. Perfect for API development, debugging, and data analysis.

Encoding & Decoding

Handle various encoding formats with our Base64 and URL encoder/decoder. Encode binary data for transmission, decode Base64 strings, handle URL encoding for query parameters, and work with special characters safely. Essential for web developers working with APIs and data transfer.

Code Analysis & Testing

Test regular expressions with real-time pattern matching, decode and inspect JWT tokens, compare code differences with our diff tool, and minify or beautify HTML, CSS, and JavaScript. Built-in syntax highlighting and error detection help you work faster and more accurately.

Color & Design Tools

Convert between color formats (HEX, RGB, HSL), check WCAG contrast ratios for accessibility, generate color palettes, and ensure your designs meet accessibility standards. Perfect for frontend developers and designers.

Why Developers Choose Our Tools

  • Lightning Fast: Client-side processing means instant results without server delays
  • 100% Private: Your code never leaves your browser - perfect for sensitive projects
  • No Setup: No installations, no configuration, just open and start working
  • Keyboard Shortcuts: Optimized for developer productivity with keyboard navigation
  • Dark Mode: Easy on the eyes during long coding sessions
  • Always Available: Works offline, no internet required after initial load
3 Questions

Frequently Asked Questions

Have more questions? Check our documentation or reach out to our support team.

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