Changelog

Version 1.3 - Current Release

Released September 30, 2026

🚀 Highlights

• PWA & Offline Application: Added full Progressive Web App support with Web App Manifest, Service Worker offline caching, and 1-click installation across desktop and mobile.
• Chrome Extension: Official Numbers to Letters Chrome Extension available on the Chrome Web Store for fast 1-click browser conversion.
• Core Web Vitals Optimizations: Added preconnect resource hints, font optimization, and stale-while-revalidate caching to achieve faster LCP and lower INP latency.

Version 1.2 - Previous Release

Released September 20, 2026

🚀 Highlights

• Spanish Language Support: Added full Spanish localization with dedicated routes (/es), Spanish homepage, localized converter interface, and bilingual navigation.
• Multi-Currency & Multi-Language Number to Words: Implemented number-to-words conversion logic supporting multiple currencies and international language formatting.
• Chrome Extension: Launched official Numbers to Letters Chrome extension for fast browser-based conversions with popup interface and shortcuts.
• Auto Input on Selection: Added automatic text input and sample generation immediately upon selecting options for quicker conversion workflows.

Version 1.1 - Previous Release

Released February 25, 2026

🚀 Highlights

• Admin Storage Monitor: Added administrative dashboard to monitor database status and storage size tracking.
• Enhanced Data Synchronization: Added update scenario handling and passing server IDs for seamless data modifications.
• Authentication & Caching Fixes: Resolved login errors, improved user session persistence, and fixed local storage caching issues.
• UI & Caching Enhancements: Added informative tooltips on buttons and implemented dynamic script versioning for optimized browser caching.

Version 1.0 - Previous Release

Released February 23, 2026

🚀 Highlights

• Save & Share Securely: Save your converted data and share it via a unique URL directly from any converter tool.
• Anonymous Saves: Save data locally on your device without needing to create an account.
• Cloud Sync & Accounts: Sign in with Google or GitHub to securely store and sync your data across all your devices.
• Expiration Controls: Set automatic expiration times for your saved links (1 hour, 1 day, 1 month, etc.).
• Password Protection: Lock your sensitive shared entries with a custom password.
• Data Dashboard: A dedicated "My Data" dashboard to view, manage, and track the expiration of all your saved links.

Version 0.7 - Previous Release

Released February 7, 2026

🚀 Highlights

• Diff Viewer: Added Share URL with inputs and outputs.
• Bug Fixes: Fixed various layout issues, download buttons, and library loading conflicts.

Version 0.6 - Previous Release

Released February 2, 2026

🚀 Highlights

• Password Generator: Added "Memorable" and "PIN" password modes to Strong Password Generator.

Version 0.5 - Previous Release

Released January 2026

🚀 Highlights

• Cryptogram Solver: Added most advanced and interactive cryptogram solver experience with pattern hints, helper utilities.

Version 0.4 - Previous Release

Released October 2024

🔧 Recent Changes

• Version Update: Updated to version 0.4 with proper versioning across build system
• Changelog Update: Restructured changelog to reflect actual implemented changes

🛠️ Core Features

• Vigenère Cipher: Added Vigenère cipher encoder and decoder tools
• Enhanced Logic: Fixed and improved letters-to-numbers conversion logic
• Multi-line Support: Updated numbers-to-words logic to support multi-line input
• Vanity Numbers: Fixed vanity number conversion logic in numbers to letters converter

📄 Content & Pages

• About Us Page: Added comprehensive about us page
• Changelog Page: Created this changelog page for version tracking
• Policy Pages: Added privacy policy, terms and conditions
• Storage Information: Added metadata about local data processing

🎨 UI Improvements

• Theme System: Added dark/light theme toggle with persistent preferences
• Theme Fixes: Fixed theme change issues and persistence problems
• Responsive Design: Improved mobile and desktop interface

Version 0.3 - Previous Release

Previous Release

🔧 UI Improvements

• About Us Page: Comprehensive information about the platform and future goals
• Changelog Page: This page to track version history and updates

🔧 Improvements

• Theme Management: Robust theme switching with proper icon updates
• Error Handling: Better error handling for theme persistence
• Code Organization: Improved JavaScript structure and reliability
• Performance: Optimized theme initialization and switching

🐛 Bug Fixes

• About Page: Fixed missing about page causing errors

Version 0.2 - Feature Expansion

Previous Release

✨ New Features

• Caesar Cipher Tools: Added encoder and decoder with customizable shift values
• Advanced Encoding Options: Multiple encoding schemes for letters to numbers conversion
• Real-time Processing: Instant conversion as you type
• Export Functionality: Download results in various formats

🔧 Improvements

• User Interface: Enhanced design and user experience
• Mobile Responsiveness: Better support for mobile devices
• Performance: Optimized loading and processing speeds

Version 0.1 - Initial Release

Foundation Release

✨ Core Features

• Letters to Numbers Converter: Basic A1Z26 encoding (A=1, B=2, etc.)
• Vanity Number Decoder: Convert vanity phone numbers to digits in numbers to letters converter
• Basic UI: Simple, functional interface
• Privacy Focus: Client-side processing from day one

🔧 Foundation

• CodeIgniter Framework: Built on robust PHP framework
• Bootstrap Design: Modern, responsive design system
• Security: HTTPS and secure coding practices

Upcoming Features

Here's what we're working on for future releases:

🚀 Planned for Next Release

• Advanced Cipher Suite: Playfair and Rail Fence ciphers
• Hash Functions: MD5, SHA-1, SHA-256 support
• Base Encoding: Base64, Base32, Base16 conversion
• Binary Operations: Text-to-binary and bit manipulation tools

🔮 Future Roadmap

• Modern Cryptography: RSA, AES encryption tools
• Steganography: Text hiding and extraction capabilities
• Cryptanalysis Tools: Frequency analysis and pattern recognition
• API Integration: RESTful APIs for developers
• User Accounts: Save and manage conversion history

Technical Details

For developers and technical users:

🛠️ Technology Stack

• Backend: PHP 7.4+, CodeIgniter 4
• Frontend: HTML5, CSS3, JavaScript (ES6+)
• UI Framework: Bootstrap 5.3.8
• Cryptography: Web Crypto API and custom implementations
• Version Control: Git with semantic versioning

🔒 Security Features

• Client-Side Processing: All cryptographic operations happen in your browser
• No Data Storage: We never see or store your input
• HTTPS Only: Secure connections for all communications
• Input Validation: Comprehensive input sanitization