Complete Developer Tools Collection

40+ free web development tools to streamline your workflow, save time, and build better applications

All Tools
Code Optimization
Data Conversion
Encryption
Regex
Comparison
API Development
Generators
Performance
Language Converters
Web Scraping
OSINT Tools

Code Optimization & Formatting

Tools to clean, format, and optimize your code for better readability and performance.

JavaScript Minifier

Reduce JavaScript file size by removing whitespace, comments, and unnecessary characters for faster load times.

JavaScript Optimization Performance

CSS Minifier

Compress CSS files by removing whitespace, comments, and optimizing selectors for improved page load speed.

CSS Optimization Performance

HTML Minifier

Minify HTML files by removing excess whitespace, comments, and optimizing tag structure for faster loading.

HTML Optimization Performance

JavaScript Beautifier

Format JavaScript code with proper indentation, spacing, and structure for better readability and maintenance.

JavaScript Formatting Readability

CSS Beautifier

Format CSS code with consistent indentation and spacing for improved readability and easier maintenance.

CSS Formatting Readability

HTML Formatter & Validator

Format and validate HTML code for proper structure, indentation, and adherence to web standards.

HTML Formatting Validation

Prettier Code Formatter

Format code using Prettier with opinionated styling for JavaScript, TypeScript, CSS, and more.

Multi-language Formatting Code Style

Code Unminifier & Beautifier

Unminify and beautify JavaScript, CSS, HTML, XML, and JSON code, making it readable and pretty for debugging and analysis.

Multi-language Beautifier Debugging

File & Data Conversion Tools

Tools to convert between different data formats for integration and interoperability.

JSON Formatter & Validator

Format and validate JSON data with proper indentation and structure. Easily identify syntax errors.

JSON Formatting Validation

Unlimited JSON Transform to and from all Format

Convert JSON to and from JSON to XML, CSV, YAML, HTML, PHP and more with customizable options. Validate your JSON, beautify the output, and download in your preferred format.

JSON XML Conversion

XML to JSON Converter

Convert XML data to JSON format for easier processing in JavaScript applications.

XML JSON Conversion

CSV to JSON Converter

Convert CSV data to JSON format for API integration and data processing in web applications.

CSV JSON Data Processing

JSON to CSV Converter

Convert JSON data to CSV format for spreadsheet applications and data analysis.

JSON CSV Data Export

Base64 Encoder & Decoder

Convert text and files to Base64 encoding and back for data transmission and storage in web applications.

Base64 Encoding Decoding

Ultimate Color Converter

Free Online HEX to Pantone, RGB, CMYK, HSL Converter.

Colors Pantone color-converter

Markdown to HTML Converter

Convert Markdown to properly formatted HTML for web publishing and CMS integration.

Markdown HTML Web Content

Encryption & Hashing Tools

Tools for data security, authentication, and secure information handling.

MD5 Hash Generator

Generate MD5 hashes from text or files for data verification and basic security purposes.

MD5 Hashing Verification

SHA256 Hash Generator

Generate secure SHA256 hashes for passwords, files, and secure data verification.

SHA256 Hashing Security

Advanced Hash Generator

Ultimate Hash Generator | Free Online Hash Calculator for All MD5, SHA-1, SHA-256, SHA-512, bcrypt, Argon2, HMAC and more..

Pro Hashing Cryptography

AES Encryption & Decryption

Encrypt and decrypt text using AES encryption with custom keys for secure data transmission.

AES Encryption Security

JWT Decoder

Decode and verify JSON Web Tokens (JWT) to inspect payload data and validate signatures.

JWT Authentication Debugging

URL Encoder & Decoder

Encode and decode URL components to handle special characters in web applications safely.

URL Encoding Web Development

Regular Expression (Regex) Tools

Tools for creating, testing, and using regular expressions for pattern matching.

Regex Tester & Debugger

Test, debug, and visualize regular expressions with real-time matching and detailed explanation.

Regex Testing Debugging

Regex Generator

Create regular expressions automatically based on examples and patterns for common use cases.

Regex Generator Automation

Regex Extractor

Extract specific data from text using regular expressions and capture groups with batch processing.

Regex Data Extraction Parsing

Code Comparison & Diff Tools

Tools to compare files and identify differences between code versions.

Text & Code Diff Checker

Compare two text or code samples and highlight differences line by line with syntax highlighting.

Diff Comparison Code Review

JSON Diff Checker

Compare two JSON objects and visualize the differences with structural awareness and path tracking.

JSON Diff API Testing

XML Diff Checker

Compare two XML documents and highlight differences with node-specific analysis and formatting.

XML Diff Configuration

API & Web Development Tools

Tools for testing, debugging, and working with web APIs and services.

HTTP Header Checker

Analyze HTTP response headers from any URL to check security, caching, and other important configurations.

HTTP Headers Security

REST API Tester

Send API requests with custom headers, parameters, and body data. Analyze responses and status codes.

API REST Testing

CORS Checker

Test Cross-Origin Resource Sharing (CORS) policies for APIs and web services to diagnose access issues.

CORS Security API

DNS Lookup & IP Checker

Look up DNS records and IP address information for any domain, including A, MX, NS, TXT, and other records.

DNS IP Networking

Code Snippet Generators

Tools that automatically generate code snippets and configuration files.

Advanced HTACCESS Generator

The ultimate Apache .htaccess generator tool for creating powerful redirect rules, security configurations, and performance optimizations.

Apache Redirects SEO

Meta Tag Generator

Create SEO-friendly meta tags, Open Graph tags, and Twitter cards for improved web page visibility.

SEO Meta Tags Social Media

Robots.txt Generator

Generate robots.txt files to control search engine crawler access to your website content.

SEO Crawlers Search Engines

Cron Job Generator

Create and validate cron job schedules for automated task execution with natural language explanations.

Cron Automation Scheduling

Performance & Optimization Tools

Tools to improve website performance, loading speed, and resource usage.

Page Speed Test

Analyze website loading performance with detailed metrics and optimization recommendations.

Performance Speed Optimization

Image Compressor

Compress and optimize images for web use without significant quality loss for faster page loading.

Images Compression Web Performance

CSS Sprite Generator

Combine multiple images into a single sprite sheet with generated CSS for improved page loading performance.

CSS Images Performance

Code Language Converters

Tools to convert code between different programming languages.

JavaScript to TypeScript Converter

Convert JavaScript code to TypeScript with automatic type inference and annotations for safer code.

JavaScript TypeScript Type Safety

Python to JavaScript Converter

Convert Python code to JavaScript for running backend logic in web browsers and Node.js environments.

Python JavaScript Migration

SQL to NoSQL Converter

Convert SQL queries and schemas to NoSQL format for MongoDB, Firestore, and other NoSQL databases.

SQL NoSQL Database

Web Scraping & Data Extraction Tools

Tools for extracting and analyzing data from websites and documents.

Webpage Source Code Viewer

Fetches and displays the raw HTML of any webpage for analysis and debugging.

HTML Source Code Web Scraping

Meta Tag Analyzer

Extracts SEO-related meta tags from a webpage for optimization and analysis.

SEO Meta Tags Analysis

XPath & CSS Selector Tester

Helps extract elements from web pages using XPath and CSS selectors with live testing.

XPath CSS Selectors DOM

HTML Table to CSV Converter

Converts website tables into CSV format for data analysis and spreadsheet applications.

HTML Tables CSV Data Extraction

Email Extractor

Extracts emails from text, documents, or webpages for contact gathering and outreach.

Email Extraction Contact Data

Phone Number Extractor

Finds phone numbers from text or web sources with format detection and validation.

Phone Numbers Extraction Contact Data

URL Extractor

Lists all links from a webpage for site mapping, SEO analysis, and link building.

URLs Links SEO

OSINT (Open-Source Intelligence) Tools

Tools for gathering and analyzing publicly available information for research and security.

IP Geolocation Finder

Finds location details of any IP address including country, city, and geographic coordinates.

IP Geolocation Security

Username Availability Checker

Checks if a username is available across popular social media platforms and websites.

Username Social Media Branding

Public Data Breach Checker

Finds leaked credentials from breached databases to assess security exposure.

Security Data Breach Privacy

MAC Address Lookup

Identifies the manufacturer of a MAC address for network device identification.

MAC Hardware Networking

WHOIS Lookup

Retrieves domain ownership details including registration information and nameservers.

WHOIS Domain Ownership

Reverse DNS Lookup

Finds domain names linked to an IP address for server identification and network mapping.

DNS IP Networking

HTTP Request Logger

Captures and inspects HTTP requests and responses for debugging and analysis.

HTTP Debugging API