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An extension for secure encryption and digital signatures using AES and RSA. This Chrome extension provides AES encryption/decryption and RSA signing/verification capabilities, allowing users to easily handle file encryption and signing in the browser. #### 1. **Dark Mode Toggle** - **Description**: A one-click toggle switch allows users to switch between light and dark themes. The preference is automatically saved for future sessions. - **Benefit**: Reduces eye strain in low-light environments and provides a modern visual experience. #### 2. **Multi-Language Support (i18n)** - **Description**: Supports 7 languages: Traditional Chinese, English, French, Korean, German, Spanish, and Japanese. - **How to use**: Select your preferred language from the dropdown menu in the header. The setting is persisted locally. #### 3. **Modern UI/UX with Bootstrap Toasts** - **Description**: Native browser alerts have been replaced with non-blocking, stylized Bootstrap Toasts for notifications and error messages. - **Benefit**: Smoother user experience without interrupting the workflow. #### 4. **Code Optimization & Refactoring** - **Description**: The core logic has been refactored to use Promises and Async/Await, eliminating "callback hell" and improving file handling performance. #### 1. **AES encryption and decryption** - **Function Description**: Using the AES-GCM algorithm, users can encrypt files into ciphertext files, or decrypt encrypted files back to original files. - **How to use**: - The user selects a file and enters a key. - Encrypt or decrypt via button operations; encrypted files are saved with a `.enc` extension. #### 2. **RSA Signature and Verification** - **Function Description**: Users can use RSA keys to digitally sign files or verify the digital signature of files. - **How to use**: - Generate 2048-bit RSA key pairs. - Sign: Select private key and file to generate a `.sig` signature. - Verification: Select public key, original file, and signature file to verify authenticity. #### 3. **RSA Encryption and Decryption** - **Function Description**: Encrypt small files directly using RSA public keys or decrypt using private keys. - **Operating system**: Windows, MacOS, Linux with Chrome browser installed. - **Permissions**: Requires `chrome.downloads` API for file handling.
PGP Encryption Tool
Secure PGP Encryption Tool: Encrypt and decrypt messages with ease using PGP key generator. Try this PGP encryption decryption tool! A reliable choice for securing digital communication is the PGP Encryption Tool. Whether encrypting sensitive information or decrypting important messages, this pgp encryption decryption tool offers a streamlined experience across platforms. With its user-friendly design and powerful encryption, it’s ideal for personal and professional use. Key Features 1️⃣ Simple PGP Encryption Tool - Accessible to all, this simple online PGP encryption tool lets you encrypt and decrypt messages with ease, ensuring secure communication 2️⃣ Online Access - Use this PGP encryption tool online directly in your browser—no downloads needed! Perfect for on-the-go security 3️⃣ Multi-Platform Compatibility - Compatible with Windows, Mac, and Linux, the PGP Encryption Tool works seamlessly across devices. Start quickly on any platform 4️⃣ Safe and Reliable - Security is prioritized. This gpg cryptographic protection standart safe protects your messages with advanced cryptography 5️⃣ PGP Key Generation - Easily generate a new PGP key with our built-in key generator for simple management ❗ How to Use the gpg encryption tool cryptography ⮞ Open the extension and select Generate PGP Key to create a key ⮞ Paste the message, click Encrypt and share securely ⮞ Use Decrypt to decode encrypted messages 🔑 Pretty good privacy for those looking for an OpenPGP encryption safe on any device 🔑 Switching modes is effortless 🔑 Keeping your information protected Essential Tools Included - Public-key gpg cryptographic encryption for Windows and Mac: Works on any OS - Encrypt and Decrypt Messages: openpgp encryption and decryption tool makes secure messaging easy - OpenPGP Key Generator: Quickly generate or import a public-key - Message Encryption and Decryption: Ideal for all uses 🌐 Multi-Device Compatibility 🌐 This data encryption algorithm is compatible with Windows, Mac, and Linux 🌐 Open it in your browser, and you’re ready! What’s inside our product? 🔹 Simple navigation 🔹 Safe, encrypted messaging 🔹 openpgp encryption tool safe for secure communication Whether a professional or new user, this openpgp public key cryptography is invaluable for secure communication, integrating smoothly into workflows for accessible privacy. The openpgp public key cryptography is a complete data protection with public keys for secure messaging. With PGP decryption tool capabilities, it lets you encrypt using gpg and decrypt PGP messages. It lets safeguarding sensitive data or received messages. Full Range of PGP Tools 1️⃣ Easy Key Management: Quickly generate an OpenPGP key to secure messages 2️⃣ Fast Decryption: This gpg decryption tool lets you decrypt PGP messages without hassle 3️⃣ Secure Communication: Use data protection algorithm to encrypt messages for trusted recipients 4️⃣ User-Friendly Design: Easy for beginners to encrypt using OpenPGP 🔒 The gpg public-key algorithm is a versatile security solution for pgp encrypting and decrypting messages and data online. 🔒 gpg encrypt tool is an online standart. 🔒 gpg encrypter simplified secure communication. With encryption and decryption tools, an openpgp key, and gpg compatibility, it’s ideal for professionals. Use PGP Encryption Tool online for easy, secure access across platforms. By integrating robust data protection with public keys, it delivers high-level security, allowing you to generate a openpgp key, encrypt and decrypt messages, and manage communications effortlessly. Common Questions: ⁉️ How does this openpgp encryption tool work? ⁉️ Enter your message, click Encrypt PGP, and share. Use Decrypt PGP for incoming encrypted messages. ⁉️ Is this cryptographic encryption standard safe? ⁉️ Absolutely. Security is our priority, ensuring data privacy. Additional Benefits: 1 Ideal for individuals and businesses, this extension simplifies privacy and encryption in a user-friendly format. 2 Supporting varied workflows, this pgp message encryption tool includes options for custom openPGP key management. 3 With reliable support and regular updates, PGP Encryption Tool meets the latest security standards to keep you secure effortlessly.
Encryption Tool
Encrypt and decrypt text and files with SHA-256 algorithm; store and sync encrypted textual data. This extension enhances your right-click context menu for text selections with the following options: 1. Securely copy selected text to the clipboard with encryption. 2. Encrypt selected text and securely save it in synchronized storage. 3. Replace the original content with encrypted text. In addition, it offers the ability to: 4. Decrypt encrypted text and copy it to the clipboard. 5. Decrypt encrypted text and replace the original content. Important details about the extension: - The extension uses your passphrase to generate a new SHA-256 private key and a random public key for text encryption and decryption. - Please remember your passphrase, as there is no way to recover encrypted text if it is forgotten. For your privacy, the extension does not store passphrases. - You can choose to store encrypted content in your browser's synchronized storage for easy access across synced browsers. - You can also encrypt and decrypt binary files in bulk with this extension too. It stores the converted files to the default download directory of your browser. Some use cases for this extension include: 1. Safely encrypting passwords when sending emails. 2. Privately archiving important data. 3. Securely transmitting sensitive information, like passwords, to another device. Privacy assurance: This extension operates entirely offline, ensuring no data is sent to any external server.
番茄鐘
支持全螢幕的番茄鐘應用程式，除了基本的番茄鐘功能，還新增待辦事項、勵志片語、背景與背景音樂的選項；其中勵志片語還可以新增與維護 基本功能：番茄鐘 新增功能 1：待辦事項 新增功能 2：勵志片語 新增功能 3：時間結束提醒與煙火動畫 新增功能 4：背景與背景音樂選項 2026.05.11番茄鐘 v2.0 的更新說明： 🚀 核心架構升級 (MV3 標準化) * 計時狀態同步：核心邏輯移至 background.js。現在「主視窗」與「懸浮視窗」的時間會完全同步，且關閉視窗後計時不會中斷。 * 儲存機制遷移：全面從 localStorage 遷移至 chrome.storage.local，支援非同步存取並確保資料在後台與前台之間完美共享。 * 持續背景音訊：實作了 Offscreen API，讓白噪音與提醒音效即使在擴充功能視窗關閉時也能持續播放。 🖼️ 懸浮視窗 2.0 (PiP 技術) * 永遠置頂功能：採用最新 Document Picture-in-Picture 技術。 * 懸浮番茄計時器：新增可愛的圓形半透明番茄鐘，具備綠色環狀邊框與暖色調背景。 * 懸浮互動題庫：專為投影設計的作答視窗，支援超大字體切換、時間自定義滑桿與深藍高對比主題。 📝 互動題目功能增強 * 多樣化題型：支援「選擇題」與「申論題」兩種模式。 * JSON 管理系統：支援題目的另存備份（匯出）與讀取（匯入），方便管理不同科目的題庫。 * 科技感 UI：全新設計的管理介面，採用深色漸層、霓虹霓虹光與磨砂玻璃風格。 🎨 視覺與體驗優化 * 響應式圓形進度條：修正了縮放變形問題，動態計算半徑以確保 100% 精準閉合。 * 投影優化：字體可調整至 120px，並採用深藍底、亮黃字的高對比配色，確保投影清晰度。 * 版面彈性調整：題目換行時自動推移輸入框，確保在任何字體大小下都能順暢作答。
Keylocker
Keylocker: A simple extension to manage and import private and public keys. Keylocker is a powerful and easy-to-use Chrome extension designed to securely manage and store your public and private keys. Whether you're a developer, a security professional, or someone who values privacy, Keylocker provides an intuitive interface to generate, import, export, encrypt, and decrypt keys directly from your browser. With Keylocker, you can: - Generate RSA Key Pairs: Easily create new RSA key pairs for secure encryption and decryption. Import and Export Keys: Import existing public and private keys or export your keys for backup or sharing. - Manage Your Keys: Organize your keys with intuitive management features, including renaming, deleting, and marking keys as favorites. - Encrypt and Decrypt Text: Securely encrypt and decrypt text using your stored keys. User-Friendly Interface: Simple, clean, and easy-to-navigate UI that makes key management straightforward. Keylocker is perfect for developers, IT professionals, and anyone who needs to manage cryptographic keys securely within their browser. Ensure your keys are safe and easily accessible with Keylocker. Privacy: Your keys are stored securely in your browser's local storage, ensuring that they are never sent over the internet. Your data remains private and secure.
