A high-performance file explorer for Windows, built from scratch with speed as the primary focus. This application uses native Windows APIs and multi-threaded indexing to deliver near-instant file searches across your entire system.
- Native Win32 file enumeration for maximum speed
- Multi-threaded indexing with 64 parallel workers
- Real-time file search across all indexed drives
- Batch file renaming with pattern support
- Command palette for keyboard-driven navigation
- File preview panel for images and text files
- Indexes 1M+ files in under 5 minutes
- Partitioned index for reduced lock contention
- Object pooling to minimize garbage collection
- Pre-allocated memory for large file systems
- Modern dark theme interface
- Breadcrumb navigation bar
- Keyboard shortcuts for common operations
- Context menu integration
- Discord Rich Presence support
- Windows 7 or later (64-bit)
- .NET Framework 4.8
- Minimum 4GB RAM (8GB recommended for large drives)
- Download the latest release from the Releases page
- Extract the ZIP file to your preferred location
- Run
Fastest_FileExplorer.exe
No installation required. The application is fully portable.
- Visual Studio 2019 or later
- .NET Framework 4.8 SDK
git clone https://github.com/PradaFit/FastFileExplorerV1.git
cd FastFileExplorerV1
msbuild Fastest_FileExplorer.csproj /p:Configuration=Release /p:Platform=x64
The compiled executable will be in bin\x64\Release\.
| Shortcut | Action |
|---|---|
| Ctrl+Shift+P | Open command palette |
| Ctrl+F | Focus search box |
| Ctrl+F2 | Batch rename selected files |
| Ctrl+Shift+N | Create new folder |
| Ctrl+Shift+C | Copy current path |
| F5 | Refresh current directory |
| Alt+Left | Navigate back |
| Alt+Right | Navigate forward |
| Alt+Up | Navigate to parent folder |
Press Ctrl+Shift+P to open the command palette. From here you can search and execute any available action. The palette supports fuzzy matching and displays keyboard shortcuts for each command.
Select multiple files and press Ctrl+F2 to open the batch rename dialog. Available rename modes:
- Find and Replace (with regex support)
- Add Prefix
- Add Suffix
- Sequential Numbering
- Date Stamp
- Remove Characters
- Change Case
Use template variables like {n} for numbers, {d} for dates, and {name} for the original filename.
The application includes optional Discord Rich Presence support. To enable it:
- Create an application at https://discord.com/developers/applications
- Copy your Application ID
- Replace the
DISCORD_CLIENT_IDconstant inForm1.cs - Upload your app icons to the Rich Presence Art Assets section
Fastest_FileExplorer/
Core/
FileIndexer.cs - Multi-threaded file indexing engine
NativeFileEnumerator.cs - Win32 API file enumeration
SearchEngine.cs - Search query processing
FileSystemCache.cs - Directory caching layer
PathSecurity.cs - Path validation and sanitization
DiscordRpcClient.cs - Discord Rich Presence client
UI/
CommandPalette.cs - Keyboard command interface
BatchRenameDialog.cs - Bulk file renaming
TabManager.cs - Multi-tab support
BreadcrumbBar.cs - Path navigation
PreviewPanel.cs - File preview
Theme.cs - Visual styling
Form1.cs - Main application window
Program.cs - Entry point
Contributions are welcome. Please open an issue first to discuss what you would like to change.
- Fork the repository
- Create a feature branch
- Make your changes
- Submit a pull request
- Very large directories (100,000+ files) may take a moment to display
- Network drives are not indexed by default
- Some system folders are intentionally skipped during indexing
This project is licensed under the PradaFit Open Source License. See the LICENSE file for details.
Developed by PradaFit
- Windows API documentation from Microsoft
- The .NET community for performance optimization techniques