One platform, 29+ essential tools. Everything you need for web development, data processing, image editing, and more - all in one place, all in your browser.
Why use multiple websites? Codev Nexus consolidates all your essential developer tools into one fast, private, and free platform. No signups, no installations, no hassle.
26 tools available
1 tool
1 tool
3 tools
Encode and decode URL strings to ensure proper formatting and security
Generate HTML meta tags for SEO, Open Graph, Twitter Cards, and more. Create optimized meta tags for your website.
Encode special characters to HTML entities or decode HTML entities back to text.
6 tools
Optimize and compress images without losing quality. Reduce file size while maintaining image quality for faster loading.
Resize images to custom dimensions. Adjust image width and height while maintaining aspect ratio.
Calculate aspect ratios for images and videos. Find matching dimensions and maintain proper aspect ratios for your media.
Generate favicon files from any image. Create favicons in multiple sizes (16x16, 32x32, 48x48) and formats (ICO, PNG) for your website.
Remove background from images without reducing quality. Clean, high-quality background removal using advanced algorithms. Perfect for product photos and portraits.
Convert black and white images to color or color images to black and white. High-quality image color conversion without losing quality.
7 tools
Minify CSS for production or beautify minified CSS for readability. Compress and format CSS code online.
Minify JavaScript for production or beautify minified JS for readability. Compress and format JS code online.
Minify HTML for production or beautify minified HTML for readability. Compress and format HTML code online.
Convert HTML to React components. Create class-based or function-based React components from HTML code.
Validate HTML code for errors and warnings. Check HTML syntax, structure, and best practices.
Generate React hooks code templates for useState, useEffect, useCallback, useMemo, and custom hooks.
Compare two files or texts line by line with visual diff highlighting. See additions, deletions, and changes like Git diff.
4 tools
Decode and inspect JWT tokens. View header, payload, and signature of JSON Web Tokens.
Generate UUIDs (Universally Unique Identifiers) in v1 or v4 format for your applications.
Generate hash values using SHA-256, SHA-512, and SHA-1 algorithms. Create secure hashes for passwords and data integrity.
Convert Unix timestamps to human-readable dates and vice versa. Support for seconds and milliseconds timestamps.
3 tools available
3 tools
Calculate your Body Mass Index (BMI) and understand your weight status for better health management
Calculate your daily water intake needs based on weight, activity level, and climate for optimal hydration
Calculate your daily calorie needs based on age, weight, height, activity level, and health goals