18+ free developer tools that run entirely in your browser — zero server uploads, zero tracking, zero signup. 🔐 Password Generator (crypto.getRandomValues) 📱 QR Code Generator (no watermark, no expiry) 🔍 JWT Decoder (client-side only) 🔧 JSON Formatter & Validator ⏱️ Cron Expression Builder 🆔 UUID v4 Generator 🔄 CSV ↔ JSON Converter 🖼️ Image → Base64 Converter Your passwords, tokens & code never leave your device. Available in English & Arabic 🇸🇦