Developer Tools
Essential developer utilities for code formatting, API testing, regex validation, and more. Streamline your development workflow with powerful tools.
Common Use Cases
Format and beautify JSON, XML, and code
Test and debug regular expressions
Generate Lorem Ipsum placeholder text
Convert between different data formats
Validate and minify code
Key Benefits
All Developer Tools
JSON Formatter
Format, validate, and beautify your JSON data.
JSON Validator
Check if your JSON code is valid and find errors.
Regex Tester
Test your JS regular expressions with real-time highlighting.
HTML Minifier
Compress HTML code to reduce file size.
CSS Minifier
Minify CSS code for better performance.
UUID Generator
Generate Version 4 UUIDs (Universally Unique Identifiers) instantly.
Markdown Preview
Write Markdown and see the HTML result in real-time.
VAPT Scope Builder
Generate professional VAPT scope text for proposals.
Environment Variable Diff
Compare two .env files safely in your browser to find missing keys.
API Rate Limit Simulator
Simulate request bursts to visualize token bucket algorithms.
Regex Explainer
Translate complex regex patterns into plain English.
Log Redaction Preview
Paste logs to see what sensitive data (PII, Credits) gets masked.
CORS Policy Tester
Analyze CORS headers to understand cross-origin risks.
Webhook Payload Validator
Validate HMAC signatures for common webhooks (Stripe, GitHub).
API Abuse Scenarios
Generate test cases for API rate limiting and logic flaws.
Secure Coding Checklist
Generate a checklist for specific languages (Java, JS, Python).
Input Validation Regex
Generate regex and rules for input fields.
HTTP Status Explainer
Understand what specific status codes mean security-wise.
OAuth Flow Visualizer
Visualize standard OAuth 2.0 flows.
Secret Rotation Impact
Estimate downtime and steps for rotating secrets.
Dependency Risk Scanner
Parse package.json to find risky patterns.
Regex Playground
Interactive regex tester with syntax highlighting, explanations, and match visualization.
OpenAPI Spec Validator
Validate OpenAPI 3.0 and Swagger 2.0 specifications for errors.
SQL Query Formatter
Format and beautify SQL queries for better readability.
YAML JSON Converter
Convert between YAML and JSON formats with validation.
HTML Accessibility Checker
Check HTML for WCAG 2.1 accessibility issues and get remediation tips.
API Latency Simulator
Simulate API response delays for testing application behavior under latency.
Code Complexity Estimator
Calculate cyclomatic complexity and other code quality metrics.
Secure Coding Checklist
Generate secure coding checklists for JavaScript, Python, Java, and PHP.
Base64 File Encoder
Encode files to Base64 format entirely in your browser.
Diff Checker
Compare two text files and highlight differences line-by-line.
Timezone Converter for APIs
Convert timestamps between timezones for API development and testing.
UUID Bulk Generator
Generate hundreds of UUIDs at once for testing and development.
API Mock Data Generator
Generate realistic mock data for API testing (users, products, etc.).
Log Sanitizer Tool
Remove PII, credentials, and sensitive data from log files before sharing.
Cron Expression Builder
Visual cron expression builder with human-readable descriptions.
PHP Serializer
Convert JSON to PHP serialized strings and vice versa for debugging.
JSON to PHP Array
Convert JSON objects into modern PHP array syntax [].
XML to JSON Converter
Parse XML and convert it to clean JSON format.
Bcrypt Generator
Generate secure Bcrypt hashes with custom cost factors.
.htaccess Generator
Create .htaccess rules for HTTPS, redirects, and IP blocking.
About Developer Tools
Our developer tools are designed with developers, designers, and digital professionals in mind. Each tool is built to be fast, secure, and easy to use, with a focus on privacy and client-side processing whenever possible. All tools are completely free to use with no registration required.
Whether you're working on a personal project or managing enterprise-level applications, our developer utilities provide the functionality you need without compromising on security or performance. Every tool is regularly updated and maintained to ensure compatibility with the latest web standards.