JSON Formatter & Validator
Validate, beautify, minify and lint JSON instantly in your browser with real-time error reporting.
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Discover 20+ free, privacy-first web tools for developers, creators and everyone—no signup, no tracking, 100% client-side.
Browse All ToolsFeatured & Essential Tools
Strong Password Generator
Instantly generate secure, customizable passwords with options for length, complexity and entropy visualization.
Try →Data Converter
Transform CSV, JSON, YAML or XML data in seconds—even large files—all client-side and offline.
Try →Code Formatter & Minifier
Beautify or compress your HTML, CSS and JavaScript for better readability or performance—no server needed.
Try →PDF Toolkit
Shrink PDF sizes without quality loss and extract text to Word documents entirely in-browser.
Try →SEO Meta Tag Generator
Generate optimized meta tags, Open Graph and Twitter card snippets to boost search visibility and social sharing.
Try →QR Code Generator
Create high-resolution QR codes for URLs, text, vCards and Wi-Fi credentials with color and size options.
Try →Suggest a Tool
Have an idea for a new tool? Let us know and we’ll build it—your feedback powers Gearizen’s roadmap.
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