Utils+

All Developer Tools

Complete collection of free online developer tools. Privacy-first, browser-based processing. No registration required.

Formatters

JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting

jsonformatvalidate
Try it

Encoders

Base64 Encoder/Decoder

Encode and decode Base64 strings quickly and securely

base64encodedecode
Try it

URL Encoder/Decoder

Encode and decode URLs for safe transmission

urlencodedecode
Try it

Generators

UUID Generator

Generate unique identifiers (UUID v4) instantly

uuidguidunique
Try it

QR Code Generator

Create QR codes for URLs, text, WiFi, and more

qrcodegenerate
Try it

Security

Password Generator

Generate secure passwords with custom options

passwordgeneratesecure
Try it

Converters

Color Converter

Convert between HEX, RGB, HSL, and HSV color formats

colorhexrgb
Try it

Text Tools

Text Diff Checker

Compare two texts and highlight differences

diffcomparetext
Try it

Why Choose Our Developer Tools?

Privacy-First Design

All our tools process data entirely in your browser. Your sensitive information never leaves your device, ensuring complete privacy and security for your development work.

Professional Features

Each tool includes advanced options like file upload/download, bulk processing, custom formatting, and detailed analytics - features typically found in premium software.

Always Free

No registration, no limits, no hidden fees. All tools are completely free to use with full functionality available to everyone in the developer community.

Modern & Fast

Built with cutting-edge web technologies for instant results. Optimized for performance across all devices and browsers with responsive design.

Popular Use Cases

API Development

Format JSON responses, encode authentication tokens, generate UUIDs for resources, and validate data structures during API development.

Web Development

Encode URLs for safe transmission, convert colors between formats, generate secure passwords, and compare code changes during development.

Data Processing

Process Base64 encoded files, validate and format JSON data, generate QR codes for sharing, and analyze text differences.