Web Engineering Tools
Specialized utilities for developers to validate JSON, format code, and audit accessibility.
Accessibility Checker
Analyze HTML code for accessibility issues and improve WCAG compliance. Detect missing alt text, ARIA labels, heading structure problems, form accessibility gaps, and other common barriers. Instant browser-based audit with clear, actionable feedback. 100% private and free.
Code Formatter
Format, beautify, and organize HTML, CSS, JavaScript, and JSON code instantly. Transform minified or messy code into clean, properly indented, readable output. Perfect for debugging, documentation, and collaboration. 100% browser-based and private.
JSON Validator
Validate, debug, and format your JSON data instantly. Catch missing commas, unclosed brackets, trailing commas, and syntax errors with clear error messages. Fix broken JSON for APIs, config files, and data pipelines. 100% browser-based and private.
Robots.txt Generator
Create a valid, standards-compliant robots.txt file for your website in seconds. Control crawler access with Allow and Disallow directives, manage indexing behavior, add sitemap URLs, and configure rules for specific search engine bots. Free, browser-based, and instant.
Fake Data Generator
Generate realistic mock data instantly for testing applications, seeding databases, and building UI prototypes. Create names, emails, addresses, phone numbers, job titles, and complete user profiles. Export to JSON, CSV, or plain text. 100% browser-based and private.
Private by Architecture.
Every tool in the Web Engineering Tools category operates on a "Zero-Knowledge" engine. Your data never leaves your device. We use WebAssembly (WASM) to process calculations and files locally in your browser's RAM, ensuring 100% privacy and native-level performance.