Developer Tools
Essential utilities for developers: JSON formatter, Base64 encoder, JWT debugger, and more
Comprehensive collection of developer utilities designed to streamline your workflow. From data formatting and encoding to security testing and API development, these tools help developers work faster and more efficiently.
All Developer Tools
JSON Formatter
Beautify and minify JSON data
Base64 Encode/Decode
Encode or decode text/files to Base64
UUID Generator
Generate UUID v4 and v5
Code to Image
Convert code snippets to beautiful PNG images with syntax highlighting
Unix Timestamp Converter
Convert Unix timestamps to readable dates
JSON to YAML Converter
Convert JSON to YAML and YAML to JSON
JWT Debugger
Decode and display JWT token contents
Regex Tester
Test regular expressions against text
URL Encoder/Decoder
Encode and decode URL characters
File Hash Generator
Calculate MD5 and SHA-256 hash values
Markdown to HTML
Convert Markdown text to HTML and preview
SQL to ER Diagram
Generate Entity-Relationship diagrams from SQL DDL statements
CSV to JSON Converter
Convert CSV text to JSON array
XML Formatter
Format and display XML structure
SQL Formatter
Format messy SQL queries
Authenticator OTP Generator
Generate TOTP/HOTP codes from a Secret Key entirely in the browser
SVG to React Native
Convert SVG code to React Native SVG components
Cron Expression Tester
Calculate when a cron expression will run
HTTP Status Checker
Query the meaning of HTTP status codes
JS/CSS Minifier
Minify JavaScript and CSS code
CORS Test Tool
Test CORS headers for a given URL
Text to Markdown
Convert plain text to Markdown format
Gitignore Generator
Generate .gitignore files based on project type
Env File Manager
Convert project .env files to secure JSON/YAML format
Mock API Generator
Create fake API endpoints with JSON responses for testing
cURL to Code
Convert cURL commands to Python, Node.js Fetch code
SQL to ORM Converter
Convert raw SQL queries to popular ORM formats
Schema Visualizer
Create data structure diagrams from JSON or SQL schema
HTTP Protocol Tester
Test HTTP protocol and security headers of a URL
SSL Header Analyzer
Analyze SSL certificate and security headers like HSTS
CSRF Token Tester
Generate and validate CSRF tokens for security testing
Kubernetes YAML Linter
Lint and validate K8s manifest (YAML) files
Why Use Developer Tools?
Our developer tools are designed with privacy and performance in mind. All tools run entirely in your browser - no data is sent to our servers.
- 100% Client-Side: Your data never leaves your browser
- No Registration Required: Start using tools immediately
- Privacy-Focused: Zero tracking, zero servers - all 32 tools
- Fast & Reliable: Instant results with modern web technologies