V-Proofix is a professional Windows desktop application designed to streamline your writing and proofreading workflow. By leveraging advanced Large Language Models (LLMs) from Google Gemini, the app provides instant grammar correction, spelling fixes, and stylistic enhancements directly within any text editor or browser.
- Multilingual AI Proofreading: Powered by Google Gemini (optimized for Gemma 3 27B and Gemini 2.5 Flash) to analyze context and deliver lightning-fast, precise linguistic improvements.
- Generous Free Tier: Process texts endlessly with a massive capacity of up to 14.4K requests/day for free via Google AI Studio.
- Seamless System Integration: Operates via system-wide hotkeys, allowing you to process text in any application (Word, Browser, IDE, Slack, etc.) without manual copy-pasting.
- Liquid Glass Interface: A modern UI featuring high-end Glassmorphism effects, ensuring a premium aesthetic that blends beautifully with your workspace.
- Smart Preview System: Provides an intuitive side-by-side comparison (Diff) between original and corrected text before applying changes.
- Enterprise-Grade Security: API keys are encrypted using the Windows Data Protection API (DPAPI), ensuring your sensitive data remains local and secure.
- History Tracking: Locally stores previous proofreading sessions for easy reference and retrieval.
V-Proofix supports multiple operation modes via global shortcuts:
| Mode | Default Hotkey | Description |
|---|---|---|
| Fix Now | Ctrl + Alt + F |
Automatically corrects errors and overwrites the selected text directly. |
| Preview Fix | Ctrl + Alt + P |
Opens a side-by-side comparison window for manual verification before applying. |
| Summary | Ctrl + Alt + S |
Generates a concise summary in a popup window. |
| Translate | Ctrl + Alt + T |
Translates selected text and replaces it directly in place. |
- OS: Windows 10/11 (64-bit).
- Runtime: .NET 8.0 Desktop Runtime.
- Connection: Active Internet connection for Google Gemini API access.
- Download the latest release from the Releases page.
- Extract the package and run
VProofix.exe. - Access Settings from the System Tray icon.
- Configure your Gemini API Key (Get a free one at Google AI Studio).
V-Proofix is built with a focus on stability, performance, and modern standards:
- Language: C# / XAML (WPF).
- Framework: .NET 8.0.
- AI Integration: Google Gemini API via REST.
- Automation: Windows UI Automation & Win32 API for seamless inter-process interaction.
- Security: DPAPI (System.Security.Cryptography.ProtectedData) for local credential encryption.
This project is licensed under the MIT License. For more details, please see the LICENSE file in the root directory.
Contributions are welcome to help improve the tool!
- Bug Reports & Feature Requests: GitHub Issues.
- Author: rainaku