Free Developer Tools & Calculators

Base64, JSON, JWT, URL encoder, hash generator, calculators & 50+ tools. No signup required!

👨‍💻 Developer Tools

JSON Validator & Beautifier

Validate JSON syntax, format, and beautify JSON with proper indentation

Base64 Encode Decode Tool

Free online Base64 encode and Base64 decode tool - convert text to Base64 and vice versa instantly

URL Encode Decode Tool

Free online URL encode and URL decode tool - encode URLs and special characters instantly

Hash Generator Tool

Generate MD5, SHA-256, SHA-512 hashes and more for data integrity and security

JWT Token Verifier

Decode and verify JWT tokens to inspect headers, payloads, and signatures

OIDC Tester

Test OpenID Connect workflows and debug authentication flows

🛠️ Text & Utility Tools

Image Format Converter

Convert images between JPG, PNG, and WebP formats with quality control

Text Case Converter

Convert text between uppercase, lowercase, title case, camelCase, and more

Text Difference Checker

Compare two texts and see differences highlighted with detailed statistics

Lorem Ipsum Generator

Generate placeholder text for designs and mockups with customizable options

💎 Most Popular Tools

Loan Calculator

Calculate monthly loan payments, total interest, and amortization schedule instantly

Mortgage Calculator

Calculate mortgage payments with down payment, rates, and taxes included

BMI Calculator

Calculate your Body Mass Index and get health insights instantly

Calorie Calculator

Calculate daily calorie needs based on your goals and activity level

Word Counter

Count words, characters, sentences, and reading time in real-time

Password Generator

Generate strong, secure, random passwords instantly

Developer Blog & Tutorials

Expert guides, tutorials, and insights for modern developers

Tutorial Jan 15, 2025

Complete Guide to Base64 Encoding

Master Base64 encoding with this comprehensive guide. Learn the fundamentals, use cases, and implementation in multiple languages.

Security Jan 12, 2025

JWT Token Security Best Practices

Learn essential JWT security practices including token validation, secure storage, and common vulnerabilities to avoid.

Guide Jan 10, 2025

OIDC Authentication Implementation

Implement OpenID Connect authentication in your applications. Learn about OIDC flows and integration with identity providers.

View All Blog Posts

Featured Tools

Most popular and trending developer resources

All Tools

Discover amazing developer tools and resources

Calculators & Utilities

Financial, health, and productivity calculators for everyone

Authentication Tools

JWT verification, OAuth, SSO, and security tools

AI & Machine Learning

Language models, ML frameworks, and AI APIs

Productivity Tools

Boost your development workflow and efficiency

Database Solutions

Modern databases, ORMs, and data management

UI/UX Tools

Design systems, component libraries, and animations

Testing Frameworks

Unit testing, E2E testing, and quality assurance

Hosting Platforms

Deploy and scale your applications globally

Analytics Platforms

Track user behavior and application performance

Financial Services

Payment processing, banking APIs, and FinTech

JSON Tools

Validate, beautify, and format JSON data with professional tools

Professional Dev Tools Portal - Base64, URL, OIDC Testing, JSON Validator & More

JSON Validator & Beautifier - Professional Developer Tools

Our JSON validator and JSON beautifier tools provide enterprise-grade functionality for developers working with JSON data. Whether you're building APIs, testing data structures, or formatting configuration files, our JSON tools offer the precision and reliability you need.

JSON Validation

Instant syntax validation with detailed error reporting and line number identification

JSON Beautification

Professional formatting with proper indentation, spacing, and structure

JSON Minification

Remove unnecessary whitespace for production-ready JSON output

Side-by-Side View

Compare original and processed JSON for easy verification

Base64 Encode & Decode Tools

Our free online Base64 encode and Base64 decode tools provide instant conversion between text and Base64 format. Perfect for developers working with binary data, API integrations, and data encoding requirements. Use our professional Base64 encode tool to convert any text to Base64, or our Base64 decode tool to convert Base64 back to readable text.

Base64 Encode: Convert text, files, and binary data to Base64 format
Base64 Decode: Convert Base64 strings back to original content
Instant Results: Real-time encoding and decoding
No Registration: Use immediately without any signup

URL Encode & Decode Tools

Professional URL encode and URL decode utilities for web developers and programmers. Our URL encode tool handles special characters, spaces, and non-ASCII characters in URLs, while our URL decode tool converts encoded URLs back to readable format. Essential for API development, web scraping, and URL manipulation.

URL Encode: Convert special characters to URL-safe format
URL Decode: Convert encoded URLs back to readable text
Special Character Support: Handle spaces, symbols, and non-ASCII characters
Developer Friendly: Perfect for API and web development

OIDC Playground & Testing Tools

Complete OIDC playground for testing OpenID Connect authentication flows and OIDC testing scenarios. Our professional OIDC testing tools provide comprehensive testing capabilities for developers implementing OAuth 2.0 and OpenID Connect protocols. Test authorization flows, token exchange, and claims validation.

OIDC Playground: Interactive testing environment for authentication flows
OIDC Testing: Comprehensive testing for OpenID Connect implementations
Token Validation: Test JWT tokens and claims
Flow Testing: Test authorization code, implicit, and hybrid flows

Hash Generator Tools

Professional hash generator tools for data integrity and security. Our hash generator supports multiple hash algorithms including MD5, SHA-256, SHA-512, SHA3-256, and Keccak-256. Generate secure hashes for passwords, file verification, and cryptographic applications.

Hash Generator: Generate multiple hash types simultaneously
MD5 Support: Generate MD5 hashes for legacy compatibility
SHA-256 & SHA-512: Industry-standard secure hash algorithms
Multiple Formats: Support for SHA3 and Keccak variants

JSON Validator & Beautifier Tools

Professional JSON validator and JSON beautifier tools for developers and API testing. Our JSON validator checks syntax, validates structure, and provides detailed error reporting. The JSON beautifier formats JSON with proper indentation, making it readable and professional.

JSON Validator: Check syntax, validate structure, and identify errors
JSON Beautifier: Format JSON with proper indentation and spacing
Side-by-Side View: Compare original and formatted JSON
Error Reporting: Detailed error messages with line numbers

Complete Dev Tools Portal

DevHub is your comprehensive dev portal offering 60+ essential dev tools for modern software development. From Base64 encode/decode and URL encode/decode to advanced OIDC testing, hash generator tools, JSON validator, JSON beautifier, and JWT verification, our dev tools portal provides everything developers need in one professional platform.

Dev Portal: Centralized platform for all development tools
Dev Tools: 60+ curated tools across 10 categories
Professional Grade: Enterprise-level tool quality
Always Free: No hidden costs or registration required

Why Choose Our Dev Tools Portal?

Instant Access

Use Base64 encode, URL encode, OIDC testing, JSON validator, and JSON beautifier tools immediately

Professional Quality

Enterprise-grade dev tools for production use

Mobile Optimized

Perfect experience on all devices and screen sizes

Regular Updates

Latest dev tools and features added continuously

Free Developer Tools & Calculators

👨‍💻 Developer Tools

JSON Validator & Beautifier

Base64 Encode Decode Tool

URL Encode Decode Tool

Hash Generator Tool

JWT Token Verifier

OIDC Tester

🛠️ Text & Utility Tools

Image Format Converter

Text Case Converter

Text Difference Checker

Lorem Ipsum Generator

💎 Most Popular Tools

Loan Calculator

Mortgage Calculator

BMI Calculator

Calorie Calculator

Word Counter

Password Generator

Developer Blog & Tutorials

Complete Guide to Base64 Encoding

JWT Token Security Best Practices

OIDC Authentication Implementation

Complete Dev Tools Portal

Base64 Encode/Decode, URL Encode/Decode, OIDC Testing, JSON Validator

Why Choose DevHub for Developer Tools?

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JSON Tools

Tool Name

Professional Dev Tools Portal - Base64, URL, OIDC Testing, JSON Validator & More

JSON Validator & Beautifier - Professional Developer Tools

JSON Validation

JSON Beautification

JSON Minification

Side-by-Side View

Base64 Encode & Decode Tools

URL Encode & Decode Tools

OIDC Playground & Testing Tools

Hash Generator Tools

JSON Validator & Beautifier Tools

Complete Dev Tools Portal

Why Choose Our Dev Tools Portal?

Instant Access

Professional Quality

Mobile Optimized

Regular Updates