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Generate passwords, calculate hashes, encode and decode data, encrypt text. Modern Password Toolbox is a simple, practical browser extension that brings password generation, hash calculation, encoding and decoding, text encryption and decryption, and useful developer tools together in one place. Designed for software developers, system administrators, cybersecurity professionals, and anyone who needs to process passwords, hashes, encoded content, or text data quickly. v2.3.0 Update - Added a QR Code tool for generating QR codes from the current page URL or any text. - Supports QR code decoding from uploaded, dragged, pasted, or camera-scanned images. - Supports PNG/SVG downloads, image copying, content copying, and history records. - Added context menu, keyboard shortcut, and Chrome Side Panel access. - Optimized the QR code preview so it is visible immediately when opened. - Improved tab navigation with hover and click switching, and remembers the last-used tab. - Fixed text MD5 calculation, AES-CBC encryption, and repeated popup response issues. - Updated the privacy policy and multilingual support documentation. ✨ Core Features 🔑 Password Generation • Customize password length and character combinations • Use uppercase and lowercase letters, numbers, and special symbols • Evaluate password strength in real time • Generate memorable English passphrases with 4–12 words from the built-in EFF list of 7,776 words; choose the separator, capitalize each word, and optionally add a number suffix. • Generate 16-character and 32-character MD5 values at the same time • Copy results with one click 🔗 Hash Calculation • Supports MD5, SHA-1, SHA-256, and SHA-512 • Calculate local file checksums with MD5, SHA-1 • • • • • • • • ，. • Paste an expected checksum to automatically detect the algorithm and verify whether the file matches. • Choose uppercase or lowercase output • View the algorithm, result length, and calculation time 📝 Encoding and Decoding • Base64 encoding and decoding • URL encoding and decoding • HTML entity encoding and decoding • Unicode conversion 🔒 Text Encryption and Decryption • AES encryption and decryption • Secure key generation • All operations run locally in your browser ⏰ Time Conversion • Convert between Unix timestamps and date-time values • Convert between common time zones • View the current time in real time 🛠️ Useful Tools • JSON formatting, minification, and validation • UUID generation • Color code conversion • Common text processing tools 🎨 User Experience • Clear and intuitive tool categories • Light and dark themes • One-click copying for commonly used results • Automatic saving of frequently used settings 🔒 Privacy Protection • All calculations are performed locally • Passwords, text, and files are never uploaded • No connection to external servers • No collection of personal data