# MustTools

> High-performance client-side browser utilities for text formatting, image processing, CSS generation, data converters, and financial calculators. 100% free, zero sign-ups, runs privately on your device.

## Core Suites

- [Tools Directory](https://www.musttools.com/tools): Complete searchable directory of 120+ free browser tools
- [Text Tools](https://www.musttools.com/tools/text): Word counter, case converter, text diff checker, regex tester, and markdown utilities
- [Image Tools](https://www.musttools.com/tools/image): Image resizer, compressor, SVG generator, and format converters
- [CSS Tools](https://www.musttools.com/tools/css): Gradient generator, box shadow builder, and layout utilities
- [Converters](https://www.musttools.com/tools/converters): JSON to CSV, YAML, Base64 encoder, and format translators
- [Generators](https://www.musttools.com/tools/generators): UUID, QR codes, dummy text, password generators, and test datasets
- [Calculators](https://www.musttools.com/tools/calculators): Banking, loan EMI, deposit interest, and financial planning calculators

## Architecture & Privacy

- [About MustTools](https://www.musttools.com/about): Technical architecture and client-side zero-telemetry privacy guarantee
- [Security Architecture](https://www.musttools.com/security): In-depth breakdown of Web Workers, Canvas sandboxing, and local isolation
- [Privacy Policy](https://www.musttools.com/privacy): Detailed client-side data handling principles
- [Contact Support](https://www.musttools.com/contact): Engineering support, feature requests, and vulnerability disclosures

## Optional

- [Full LLM Documentation](https://www.musttools.com/llms-full.txt): Comprehensive API catalog and machine-readable specification
- [Sitemap](https://www.musttools.com/sitemap.xml): XML sitemap listing all indexed tools and routes