All Tools

Best Free Developer Tools Collection - Codev Nexus

Discover the best free developer tools from Codev Nexus. 29+ professional-grade tools including JSON formatter, QR code generator, base64 encoder, and more. All tools are completely free, require no installation, and work entirely in your browser. Trusted by developers worldwide.

Tech Tools

14 tools available

Data

1 tool

JSON Formatter & Validator

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

Generator

1 tool

QR Code Generator

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

Encoder

1 tool

Base64 Encoder/Decoder

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

Security

1 tool

Random Password Generator

Generate secure random passwords with customizable length and character sets

Design

1 tool

Color Picker & Converter

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

Web

1 tool

URL Encoder/Decoder

Encode and decode URL strings to ensure proper formatting and security

Image

3 tools

Image Optimizer & Compressor

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

Image Resizer

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

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.

Code

3 tools

CSS Minifier & Unminifier

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

JavaScript Minifier & Unminifier

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

React Component Creator

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

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.

Backend

1 tool

UUID Generator

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

Health Tools

3 tools available

Health

3 tools

BMI Calculator

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

Daily Water Intake Calculator

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

Calorie Calculator

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