All Tools

All Developer Tools - Codev Nexus

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.

Tech Tools

26 tools shown

Data

1 tool

JSON Formatter & Validator

Format, validate, and beautify JSON data with syntax highlighting and error detection

Try JSON Formatter

Generator

1 tool

QR Code Generator

Create custom QR codes for URLs, text, contact info and more with instant preview

Try QR Code Generator

Encoder

1 tool

Base64 Encoder/Decoder

Encode and decode Base64 strings with easy copy-paste functionality and batch processing

Try Base64 Encoder

Security

1 tool

Random Password Generator

Generate secure random passwords with customizable length and character sets

Try Random Password Generator

Design

1 tool

Color Picker & Converter

Pick colors and convert between HEX, RGB, HSL formats with color palette generation

Try Color Picker

Web

3 tools

URL Encoder/Decoder

Encode and decode URL strings to ensure proper formatting and security

Try URL Encoder

Meta Tag Generator

Generate HTML meta tags for SEO, Open Graph, Twitter Cards, and more. Create optimized meta tags for your website.

Try Meta Tag Generator

HTML Entity Encoder/Decoder

Encode special characters to HTML entities or decode HTML entities back to text.

Try HTML Entity Encoder

Image

6 tools

Image Optimizer & Compressor

Optimize and compress images without losing quality. Reduce file size while maintaining image quality for faster loading.

Try Image Optimizer

Image Resizer

Resize images to custom dimensions. Adjust image width and height while maintaining aspect ratio.

Try Image Resizer

Aspect Ratio Calculator

Calculate aspect ratios for images and videos. Find matching dimensions and maintain proper aspect ratios for your media.

Try Aspect Ratio Calculator

Favicon Generator from Image

Generate favicon files from any image. Create favicons in multiple sizes (16x16, 32x32, 48x48) and formats (ICO, PNG) for your website.

Try Favicon Generator from Image

Background Remover - Remove Image Background

Remove background from images without reducing quality. Clean, high-quality background removal using advanced algorithms. Perfect for product photos and portraits.

Try Background Remover - Remove Image Background

Image Color Converter - B&W to Color & Vice Versa

Convert black and white images to color or color images to black and white. High-quality image color conversion without losing quality.

Try Image Color Converter - B

Code

7 tools

CSS Minifier & Unminifier

Minify CSS for production or beautify minified CSS for readability. Compress and format CSS code online.

Try CSS Minifier

JavaScript Minifier & Unminifier

Minify JavaScript for production or beautify minified JS for readability. Compress and format JS code online.

Try JavaScript Minifier

HTML Minifier & Unminifier

Minify HTML for production or beautify minified HTML for readability. Compress and format HTML code online.

Try HTML Minifier

React Component Creator

Convert HTML to React components. Create class-based or function-based React components from HTML code.

Try React Component Creator

HTML Validator

Validate HTML code for errors and warnings. Check HTML syntax, structure, and best practices.

Try HTML Validator

React Hook Generator

Generate React hooks code templates for useState, useEffect, useCallback, useMemo, and custom hooks.

Try React Hook Generator

File & Text Diff Comparer

Compare two files or texts line by line with visual diff highlighting. See additions, deletions, and changes like Git diff.

Text

1 tool

Text Transformer

Transform text with case conversion tools: uppercase, lowercase, snake case, camel case, and more. Replace spaces with underscores or hyphens.

Try Text Transformer

Backend

4 tools

JWT Decoder

Decode and inspect JWT tokens. View header, payload, and signature of JSON Web Tokens.

Try JWT Decoder

UUID Generator

Generate UUIDs (Universally Unique Identifiers) in v1 or v4 format for your applications.

Try UUID Generator

Hash Generator

Generate hash values using SHA-256, SHA-512, and SHA-1 algorithms. Create secure hashes for passwords and data integrity.

Try Hash Generator

Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa. Support for seconds and milliseconds timestamps.

Try Timestamp Converter

Health Tools

3 tools shown

Health

3 tools

BMI Calculator

Calculate your Body Mass Index (BMI) and understand your weight status for better health management

Try BMI Calculator

Daily Water Intake Calculator

Calculate your daily water intake needs based on weight, activity level, and climate for optimal hydration

Try Daily Water Intake Calculator

Calorie Calculator

Calculate your daily calorie needs based on age, weight, height, activity level, and health goals

Try Calorie Calculator

Best Free Developer Tools Collection - Codev Nexus | 29+ Online Tools | codev nexus