ZeroSnippet: Developer Tools & CSS Inspector

Developer toolkit in a side panel: CSS inspector, color picker, JSON formatter, regex tester, JWT decoder, and 30+ more tools.

ZeroSnippet is an all-in-one developer toolkit built right into your Chrome Side Panel. Access over 30+ everyday developer utilities and live CSS inspection tools side-by-side with your code and web pages without constantly switching tabs. ✨ KEY FEATURES: 🎨 CSS & Design Tools • Live CSS Inspector: Hover and click on any element to inspect computed styles, box model, margins, and paddings. • Color Picker & Contrast Checker: Sample colors directly and verify WCAG contrast ratios. • CSS Generators: Visual builders for Flexbox, CSS Grid, Box Shadows, Border Radius, and Gradients. • Font Inspector: Instantly detect font family, weight, line-height, and typography styles. 💻 Code & Text Utilities • JSON Formatter & Validator: Prettify, minify, and validate JSON data instantly. • Regex Tester: Test regular expressions in real-time with syntax explanations and match highlighting. • Code Formatter & Diff Viewer: Compare code blocks side-by-side and format syntax. • Case Converter: Convert text between camelCase, snake_case, kebab-case, PascalCase, and more. • Text Cleaners: Remove duplicate lines, trim whitespace, and sort lines alphabetically. 🔐 Encoders, Decoders & Security • JWT Decoder: Decode header and payload claims securely in your browser. • Base64 Encoder / Decoder: Convert text or image files to/from Base64. • URL Encoder / Decoder & UUID Generator: Generate v4 UUIDs and sanitize URLs on the fly. • Unix Timestamp Converter: Convert epoch timestamps to human-readable dates and vice versa. 🔍 Web & Performance Analysis • Tech Stack Detector: Discover the frameworks, libraries, and tools running on any webpage. • SEO Inspector: Review meta tags, Open Graph data, canonical URLs, and heading structures. • HTTP Reference: Quick lookup for HTTP status codes and standard headers. • Image & SVG Tools: Extract images from pages and optimize SVG markup. 🔒 PRIVACY-FIRST & FAST: ZeroSnippet operates client-side inside your browser side panel. Your data, tokens, and code snippets stay on your machine and are never sent to external servers.