AI Prompt Optimizer

Improve prompts for ChatGPT and LLMs with comprehensive analysis of clarity, structure, and effectiveness using client-side processing.

Open Tool

API Request Builder & Tester

Build and test REST API requests with user-friendly interface for headers, parameters, authentication, and response validation.

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API Response Mock Generator

Generate realistic mock API responses instantly. Create REST, GraphQL, and webhook test data with customizable templates for e-commerce, social media, IoT, and financial applications.

Open Tool

Browser Feature Detector

Detect and analyze all supported browser APIs, HTML5 features, CSS capabilities, and web technologies. Free online browser compatibility testing tool with detailed feature reports.

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Browser Performance Profiler

Analyze website performance with Core Web Vitals, resource waterfall, memory profiling, and optimization recommendations.

Open Tool

C# Model Generator

Convert JSON to C# models instantly. Free online tool with nullable support, attributes, nested objects, and modern C# syntax for .NET development.

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C++ Model Generator

Convert JSON to C++ models instantly. Free online tool with modern C++ syntax, STL containers, smart pointers, and header/source file generation.

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Cloud Cost Calculator

Compare costs across AWS, Azure, and Google Cloud for compute, storage, and networking with real-time calculations and cost analysis.

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Cron Expression Builder

Build cron expressions interactively with live preview and human-readable descriptions. Essential for automated task configuration and system administration.

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cURL Command Generator

Build cURL commands with visual interface including URL, headers, HTTP methods, and request body without memorizing complex syntax.

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Database Schema Visualizer

Generate interactive ERD diagrams from SQL CREATE TABLE statements. Visualize database relationships, export to SVG/PNG, and create documentation instantly.

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DNS Lookup

Perform comprehensive DNS lookups for A, AAAA, MX, CNAME, and TXT records using secure DNS over HTTPS for network troubleshooting.

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Docker Compose Generator

Generate Docker Compose YAML files with service templates, environment variables, and networking. Free online tool for developers to create production-ready Docker configurations.

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GraphQL Query Builder

Visually build and preview GraphQL queries with schema exploration and live query execution. Essential for GraphQL API development and learning.

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HTTP Header Viewer

Analyze HTTP headers from any URL with security auditing, performance insights, and debugging capabilities for web development.

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Kanban Flow Analyzer

Analyze and visualize workflow bottlenecks in your Kanban process. Free tool for identifying constraints, cycle time analysis, and throughput optimization.

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Lazy Loading Simulator

Simulate and optimize lazy loading strategies for images, videos, and content. Visualize performance impact with real-time metrics and loading patterns.

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LocalStorage Viewer

View, manage, and export browser localStorage data with comprehensive editing and debugging capabilities. Essential for web development and application debugging.

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Memory Leak Detector

Detect and analyze browser memory leaks in JavaScript applications. Free online tool for memory profiling, leak detection, and performance optimization.

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Micro-Frontend Config Generator

Generate configuration files for micro-frontend architectures. Create Module Federation configs, import maps, and routing setups for scalable applications.

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Neural Network Visualizer

Create and visualize neural network architectures with interactive drag-and-drop layers. Design AI models visually with real-time parameter calculations.

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NoSQL Query Generator

Generate and optimize NoSQL queries for MongoDB, CosmosDB, DynamoDB with visual query builder and performance optimization tips.

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Generate a Web App Manifest for PWAs with full control over name, short_name, start_url, scope, display, orientation, background_color, theme_color, language, dir, description, icons, screenshots, categories, shortcuts, share_target and related_applications.

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RegEx Library & Tester

Comprehensive regex tester with built-in pattern library covering email, URL, phone validation with live testing and educational support.

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Serverless Function Builder

Build and deploy serverless functions visually. Free tool for generating AWS Lambda and Azure Functions with boilerplate code, configurations, and deployment scripts.

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SHACL Shape Generator

Generate SHACL shapes from RDF data examples automatically. Free online tool creates validation constraints from your RDF data in Turtle, JSON-LD, or RDF/XML format.

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SHACL Validator

Validate RDF data against SHACL shapes online. Free SHACL validator with Turtle, JSON-LD, and RDF/XML support for semantic web development.

Open Tool

SQL Insert Statement Generator

Convert CSV, JSON, or plain text to SQL INSERT statements with multiple database dialect support for efficient data migration.

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SQL Query Builder & Formatter

Build and format SQL queries visually with drag-drop interface. Features syntax highlighting, query optimization tips, and multi-database support.

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SQL Schema to ERD Visualizer

Upload SQL schema and generate Entity-Relationship Diagrams using d3-graphviz for database visualization and documentation.

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Swift Model Generator

Convert JSON to Swift models instantly. Free online tool with Codable support, nested objects, optional detection, and camelCase conversion for iOS development.

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TypeScript Model Generator

Convert JSON to TypeScript models instantly. Free online tool with interfaces, types, optional properties, union types, and modern TypeScript syntax.

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Visual SQL Query Builder

Build complex SQL queries visually with drag-and-drop interface and automatic joins for database analysis and education.

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Web Component Generator

Create custom web components with Shadow DOM support, properties, and events. Generate code in ES6, ES5, or TypeScript for modern web development.

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Web Push Notifications Tester

Test browser-based push notifications with custom title, body, and icon. Essential for web app development and user engagement features.

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Web Share API Demo

Test and explore Web Share API capabilities with interactive demos for sharing text, URLs, and files using native device functionality.

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WebAssembly Demo

Explore WebAssembly capabilities with performance comparisons and interactive demos. Test WASM vs JavaScript performance and browser compatibility.

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WebAssembly Performance Tester

Benchmark and analyze WebAssembly modules performance. Compare WASM execution speed against JavaScript, measure memory usage, and optimize your WebAssembly applications.

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Webhook Tester

Test webhooks instantly with unique URLs. Monitor incoming requests, headers, and payloads in real-time. Perfect for API development and debugging.

Open Tool

WebRTC Tester

Test your webcam, microphone, and WebRTC connections instantly. Perfect for troubleshooting video conferencing and browser compatibility issues.

Open Tool

AI Prompt Optimizer
Improve prompts for ChatGPT and LLMs with comprehensive analysis of clarity, structure, and effectiveness using client-side processing.

Open
API Request Builder & Tester
Build and test REST API requests with user-friendly interface for headers, parameters, authentication, and response validation.

Open
API Response Mock Generator
Generate realistic mock API responses instantly. Create REST, GraphQL, and webhook test data with customizable templates for e-commerce, social media, IoT, and financial applications.

Open
Browser Feature Detector
Detect and analyze all supported browser APIs, HTML5 features, CSS capabilities, and web technologies. Free online browser compatibility testing tool with detailed feature reports.

Open
Browser Performance Profiler
Analyze website performance with Core Web Vitals, resource waterfall, memory profiling, and optimization recommendations.

Open
C# Model Generator
Convert JSON to C# models instantly. Free online tool with nullable support, attributes, nested objects, and modern C# syntax for .NET development.

Open
C++ Model Generator
Convert JSON to C++ models instantly. Free online tool with modern C++ syntax, STL containers, smart pointers, and header/source file generation.

Open
Cloud Cost Calculator
Compare costs across AWS, Azure, and Google Cloud for compute, storage, and networking with real-time calculations and cost analysis.

Open
Cron Expression Builder
Build cron expressions interactively with live preview and human-readable descriptions. Essential for automated task configuration and system administration.

Open
cURL Command Generator
Build cURL commands with visual interface including URL, headers, HTTP methods, and request body without memorizing complex syntax.

Open
Database Schema Visualizer
Generate interactive ERD diagrams from SQL CREATE TABLE statements. Visualize database relationships, export to SVG/PNG, and create documentation instantly.

Open
DNS Lookup
Perform comprehensive DNS lookups for A, AAAA, MX, CNAME, and TXT records using secure DNS over HTTPS for network troubleshooting.

Open
Docker Compose Generator
Generate Docker Compose YAML files with service templates, environment variables, and networking. Free online tool for developers to create production-ready Docker configurations.

Open
GraphQL Query Builder
Visually build and preview GraphQL queries with schema exploration and live query execution. Essential for GraphQL API development and learning.

Open
HTTP Header Viewer
Analyze HTTP headers from any URL with security auditing, performance insights, and debugging capabilities for web development.

Open
Kanban Flow Analyzer
Analyze and visualize workflow bottlenecks in your Kanban process. Free tool for identifying constraints, cycle time analysis, and throughput optimization.

Open
Lazy Loading Simulator
Simulate and optimize lazy loading strategies for images, videos, and content. Visualize performance impact with real-time metrics and loading patterns.

Open
LocalStorage Viewer
View, manage, and export browser localStorage data with comprehensive editing and debugging capabilities. Essential for web development and application debugging.

Open
Memory Leak Detector
Detect and analyze browser memory leaks in JavaScript applications. Free online tool for memory profiling, leak detection, and performance optimization.

Open
Micro-Frontend Config Generator
Generate configuration files for micro-frontend architectures. Create Module Federation configs, import maps, and routing setups for scalable applications.

Open
Neural Network Visualizer
Create and visualize neural network architectures with interactive drag-and-drop layers. Design AI models visually with real-time parameter calculations.

Open
NoSQL Query Generator
Generate and optimize NoSQL queries for MongoDB, CosmosDB, DynamoDB with visual query builder and performance optimization tips.

Open
PWA Manifest Generator
Generate a Web App Manifest for PWAs with full control over name, short_name, start_url, scope, display, orientation, background_color, theme_color, language, dir, description, icons, screenshots, categories, shortcuts, share_target and related_applications.

Open
RegEx Library & Tester
Comprehensive regex tester with built-in pattern library covering email, URL, phone validation with live testing and educational support.

Open
Serverless Function Builder
Build and deploy serverless functions visually. Free tool for generating AWS Lambda and Azure Functions with boilerplate code, configurations, and deployment scripts.

Open
SHACL Shape Generator
Generate SHACL shapes from RDF data examples automatically. Free online tool creates validation constraints from your RDF data in Turtle, JSON-LD, or RDF/XML format.

Open
SHACL Validator
Validate RDF data against SHACL shapes online. Free SHACL validator with Turtle, JSON-LD, and RDF/XML support for semantic web development.

Open
SQL Insert Statement Generator
Convert CSV, JSON, or plain text to SQL INSERT statements with multiple database dialect support for efficient data migration.

Open
SQL Query Builder & Formatter
Build and format SQL queries visually with drag-drop interface. Features syntax highlighting, query optimization tips, and multi-database support.

Open
SQL Schema to ERD Visualizer
Upload SQL schema and generate Entity-Relationship Diagrams using d3-graphviz for database visualization and documentation.

Open
Swift Model Generator
Convert JSON to Swift models instantly. Free online tool with Codable support, nested objects, optional detection, and camelCase conversion for iOS development.

Open
TypeScript Model Generator
Convert JSON to TypeScript models instantly. Free online tool with interfaces, types, optional properties, union types, and modern TypeScript syntax.

Open
Visual SQL Query Builder
Build complex SQL queries visually with drag-and-drop interface and automatic joins for database analysis and education.

Open
Web Component Generator
Create custom web components with Shadow DOM support, properties, and events. Generate code in ES6, ES5, or TypeScript for modern web development.

Open
Web Push Notifications Tester
Test browser-based push notifications with custom title, body, and icon. Essential for web app development and user engagement features.

Open
Web Share API Demo
Test and explore Web Share API capabilities with interactive demos for sharing text, URLs, and files using native device functionality.

Open
WebAssembly Demo
Explore WebAssembly capabilities with performance comparisons and interactive demos. Test WASM vs JavaScript performance and browser compatibility.

Open
WebAssembly Performance Tester
Benchmark and analyze WebAssembly modules performance. Compare WASM execution speed against JavaScript, measure memory usage, and optimize your WebAssembly applications.

Open
Webhook Tester
Test webhooks instantly with unique URLs. Monitor incoming requests, headers, and payloads in real-time. Perfect for API development and debugging.

Open
WebRTC Tester
Test your webcam, microphone, and WebRTC connections instantly. Perfect for troubleshooting video conferencing and browser compatibility issues.

Open

Developer Tools

Frequently Asked Questions

Are the API testing tools secure?

Can I test localhost APIs?

Which programming languages are supported for model generation?

How accurate is the cloud cost calculator?

Can I save my API requests and SQL queries?

Do the WebRTC and browser feature tests work on all devices?

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