Toolzy — Privacy-First Developer Tools & Utilities από Sayandeep Majumdar

⚡ Toolzy — The Ultimate Privacy-First Developer Workspace & Offline Toolbox

Tired of opening slow, ad-cluttered websites just to format a JSON string, decode a Base64 token, or inspect a JWT?

Toolzy brings 50+ professional developer utilities, formatters, encoders, cryptographic tools, and visualizers directly into your browser. Run everything 100% client-side in your browser with zero network tracking, zero backend servers, and zero data collection.

Whether you need a full New Tab developer hub or a quick keyboard-driven launcher in your toolbar, Toolzy is designed to accelerate your everyday engineering workflow.

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🔒 100% PRIVATE & OFFLINE-FIRST
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• Zero Server Uploads: All operations run locally inside your browser using WebAssembly, Web Crypto API, and local sandboxes.
• Zero Telemetry & Tracking: No analytics, no logging, no external API calls. Your tokens, API keys, and sensitive data never leave your computer.
• 100% Offline Capable: Works anywhere, anytime — even without an internet connection.

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🚀 40+ ESSENTIAL DEVELOPER SUITES INCLUDED
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📦 FORMATTERS & CONVERTERS:
• JSON Formatter, Validator & Fixer (with JSON5 & tree navigation)
• YAML ⮂ JSON Converter & Formatter
• XML Formatter, Minifier & XPath Evaluator
• CSS & HTML Beautifiers & Minifiers
• JavaScript Formatter, Minifier (Prettier & Terser engines)
• SQL Formatter with dialect support (PostgreSQL, MySQL, SQLite)
• JSON to CSV / CSV to JSON converter with live preview

🔐 CRYPTO, SECURITY & ENCODING:
• Base64 Encoder & Decoder (Unicode UTF-8 safe, URL-safe, Image preview)
• JWT Decoder & Inspector (Payload parser, expiration audit, signature check)
• AES-256 GCM/CBC Encryption & Decryption (In-browser Web Crypto)
• RSA Keypair Generator & Signature Verifier
• Hash Generator (MD5, SHA-1, SHA-256, SHA-512, HMAC)
• Password & Passphrase Generator (Entropy calculation, customizable rules)
• URL Encoder, Decoder & Component Parser

⚡ PRODUCTIVITY & GENERATORS:
• UUID / ULID / CUID Generator (Single & Bulk with namespace v1/v4/v5/v7)
• Regex Tester & Debugger (Interactive match visualization & cheat sheet)
• Cron Expression Tester & Schedule Builder (Human-readable explanations)
• API Request Tester (Lightweight HTTP client with headers & curl import)
• In-Browser PDF Compressor (Smart image downsampling & metadata stripping)
• CSV to PDF / Business Card & Invoice PDF Exporters
• Barcode & QR Code Generators (SVG/PNG downloads)
• Color Palette Extractor & Contrast Checker (WCAG 2.1 compliance)

🎨 DIAGRAMS & PLAYGROUNDS:
• Architecture Diagram Builder (Mermaid.js diagramming)
• BPMN Process Flowchart Editor
• React & Vue Sandboxed Playgrounds
• SQL Query Sandbox & Schema Visualizer

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💡 DESIGNED FOR YOUR WORKFLOW
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• 🌐 New Tab Dashboard: Transform your blank new tab into a sleek, dark-mode developer workstation.
• 🚀 Quick Popup Launcher: Access your starred tools and 1-click UUID/Timestamp generators from the toolbar.
• 🖱 Right-Click Context Menus: Highlight text on any web page to instantly "Format JSON", "Decode Base64", or "Inspect JWT".
• 🌓 Rich Dark Mode & Light Mode: Beautiful glassmorphism aesthetic built for long coding sessions.

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⭐ OPEN SOURCE & COMMUNITY DRIVEN
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Toolzy is built with love for the developer community. Fast, lightweight, and completely free.