Developer
Tools for developers and programmers
All tools in this category are 100% free, work directly in your browser, and require no registration. Your data stays private and secure - nothing is uploaded to external servers.
Instant Access
No signup or downloads required. Start using tools immediately.
Privacy First
All processing happens locally in your browser. Your data is never sent to servers.
Always Free
No hidden costs, premium tiers, or feature limitations. Everything is free forever.
JSON Formatter
Format and validate JSON
Regex Tester
Test regular expressions
URL Encoder/Decoder
Encode/decode URLs
JWT Decoder
Decode JWT tokens
Color Picker
Pick and convert colors
Markdown Previewer
Preview markdown
SQL Formatter
Format SQL queries
Subdomain Finder
Discover subdomains of any website
URL & Text Encoder/Decoder
Encode and decode text using various methods
Epoch Time Converter
Convert between epoch timestamps and human-readable dates
cURL Command Builder
Build and generate cURL commands for HTTP requests
Binary Converter
Convert text to binary and binary to text
Hex Converter
Convert text to hexadecimal and hex to text
Screenshot to Code
Convert UI screenshots to HTML, CSS, and Tailwind code instantly
API Response Mocker
Generate mock API responses with realistic data for frontend development
Color Converter
Convert colors between formats (HEX, RGB, HSL)
API Tester
Test API endpoints and requests
Cron Generator
Generate and explain cron schedules
HTML Entity Encoder
Encode and decode HTML entities
CSS Gradient Generator
Create beautiful CSS gradients
Box Shadow Generator
Generate CSS box-shadow effects
Flexbox Generator
Visual CSS Flexbox generator
Border Radius Generator
Generate CSS border-radius
SVG to Code
Convert SVG to React/HTML code
Code Analyzer
Analyze code for quality and issues
Web Scraper
Extract data from websites
Theme Builder
Create custom themes for websites
Data Analysis Tool
Analyze and visualize data
Data Scraper
Scrape data from websites easily
API Integration Tool
Integrate and test APIs seamlessly
Code Formatter
Format your code automatically
AI Code Generator
Generate code snippets with AI
Code Converter
Convert code between languages
Data Analyzer
Analyze complex datasets
Data Analytics
Advanced data analytics tool
Code Debugger
Debug code with AI assistance
Simulation Tool
Run simulations and scenarios
API Tester Pro
Advanced API testing tool
App Builder
Build apps without coding
Data Sync Optimizer
Optimize data synchronization
Glassmorphism Generator
Generate CSS for modern glassmorphism effects
Keycode Info
Find JavaScript event keycodes for any key
SVG Blob Generator
Generate unique organic SVG blob shapes
Code Formatter
Format and beautify JSON, HTML, CSS, SQL, XML, JavaScript, and TypeScript code. Also minify code for production.
CSS Theme Builder
Design color themes and export as CSS variables, SCSS variables, or Tailwind config. Includes 4 beautiful presets.
Data Analyzer
Analyze CSV data with statistics: min, max, mean, median, standard deviation. Filter, preview, and explore your dataset.
.gitignore Generator
Generate .gitignore files for Node.js, Python, React, Next.js, Java, Go, Rails, and more. Custom rules supported.
README.md Generator
Generate professional README.md files for your GitHub projects with features, installation steps, badges, and license sections.
Dockerfile Generator
Generate production-ready Dockerfiles for Node.js, Next.js, Python, Django, React, Go, Java Spring Boot, and more.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal bases. Includes bit visualization and ASCII lookup.
HTTP Status Codes Reference
Complete reference for all HTTP status codes (1xx-5xx) with descriptions. Search and filter by category.
JSON Diff Viewer
Compare two JSON objects side-by-side. Highlight added, removed, and changed fields with flat key path display.
.env File Generator
Generate .env and .env.example files for Node.js, Next.js, Django, React/Vite, and Docker Compose projects.
About Developer
Our developer collection provides powerful, browser-based utilities designed for efficiency and ease of use. Each tool is carefully crafted to solve specific problems while maintaining our core principles of privacy, speed, and accessibility.
Whether you're a professional, student, or casual user, these tools are built to work seamlessly across all devices without requiring installation, registration, or payment. All processing happens locally in your browser, ensuring your data remains completely private and secure.
We continuously update and expand our tool collection based on user feedback and emerging needs. If you have suggestions for new developer tools, we'd love to hear from you.