# OpenToolBox

OpenToolBox is a collection of 25+ free, privacy-focused online tools for developers, designers, and creators. All tools run client-side in the browser, ensuring data never leaves the user's device.

## Core Tools

### Developer
- **JSON Formatter**: Validator, minifier, and formatter.
- **SQL Formatter**: Prettify SQL queries.
- **JWT Decoder**: Decode JSON Web Tokens securely.
- **UUID Generator**: Generate v4 UUIDs in bulk.
- **Cron Generator**: Create Cron expressions visually.

### Design & Media
- **Image Converter**: Convert images to WebP/PNG/JPG.
- **SVG to PNG**: Convert vector SVGs to raster images.
- **Box Shadow Generator**: Visual generator for CSS box-shadows.
- **Gradient Generator**: CSS linear/radial gradient maker.

### Security
- **Password Generator**: Create secure, random passwords.
- **Password Strength**: Estimate crack times for passwords.

### Productivity
- **Pomodoro Timer**: Focus timer with custom intervals.
- **Unit Converter**: Convert length, weight, temperature, etc.
- **QR Code Generator**: Create QR codes with logos.
- **PDF Tools**: Image to PDF, Sign PDF.

### Social
- **YouTube Thumbnail**: Download video thumbnails.
- **Tweet to Image**: Create fake tweet screenshots.

## Technical Details
- URL: https://opentoolbox.online
- Stack: Next.js 15, React, Tailwind CSS, Shadcn UI.
- Privacy: 100% Client-side processing. No database for tool data.

## Usage
Tools are accessible via direct URL structure: `https://opentoolbox.online/tools/[slug]`.
Example: `https://opentoolbox.online/tools/json-formatter`