Walpa is a high-performance, lossless icon recoloring software developed by Eray Türkay. It is engineered to recolor raster icons with maximum efficiency while preserving the original image with pixel-perfect accuracy.
Unlike conventional image processing solutions that rely on per-pixel color transformations or blending operations, Walpa directly overwrites the RGB channels of every visible pixel while leaving the alpha channel completely untouched. This ensures that the original transparency, anti-aliasing, edge quality, and pixel layout remain 100% identical to the source image.
The engine operates directly on bitmap memory using unsafe native pointer arithmetic and low-level memory manipulation, eliminating the overhead associated with high-level pixel access methods. Combined with parallel scanline processing, Walpa maximizes memory throughput and can deliver up to 3× faster icon recoloring performance than conventional recoloring solutions, depending on image size, hardware, and workload.
You can support this project by making a donation to help ensure its sustainability and the development of new features.
- Privacy First: Your data stays on your machine; no information is transferred to external servers.
- Pure Performance: Developed exclusively in C# and .NET Framework with no external libraries or dependencies.
- Portable: No installation required. Just download it, extract all files from the ZIP, select the appropriate architecture, and run it.
- High-Performance Recoloring: Optimized for maximum throughput, delivering up to 3× faster icon recoloring than conventional solutions, depending on hardware and workload.
- 100% Lossless Output: Recolors icons without altering pixel positions, transparency, or image quality, ensuring pixel-perfect results every time.
- Perfect Transparency Preservation: Preserves every alpha value exactly, maintaining smooth edges, anti-aliasing, and the original visual appearance.
- Universal Image Compatibility: Supports images of any bit depth and automatically converts them to a 32-bit ARGB format for consistent, high-quality recoloring.
- Real-Time Live Preview: Instantly previews color changes, allowing users to visualize the final result before applying the transformation.
- Consistent Pixel Accuracy: Only the visible color channels are updated while the underlying image structure remains completely unchanged.
- Built for Scale: Designed to efficiently process both individual icons and large icon collections with consistent performance.
- Modern Color Picker Interface: A sleek and user-friendly color picker that supports all popular color models in RGB or HEX format. Quickly find and apply the color you want.
- Multilingual: It supports 15 different languages, primarily English. You can access the supported languages here: Supported Languages
- Modern UI: Clean, intuitive interface compatible with Windows 11 design language, featuring Light, Dark, and System themes.
- Built-in Update Mechanism: It features a built-in smart update mechanism developed specifically by Türkaysoft.
- Navigate to the Releases page.
- Download the latest ZIP file.
- Extract all files from the ZIP (Important: Application requires all folder contents to run correctly).
- Launch the executable corresponding to your architecture:
Walpa_x64.exe: For standard 64-bit Intel/AMD systems.Walpa_arm64.exe: For ARM-based devices like Surface Pro.
- Translation Support: Community-driven localization via the official Translation Guide.
| Feature | Minimum Requirements | Recommended Requirements |
|---|---|---|
| OS | Windows 10 22H2 x64 | Windows 11 25H2 x64 |
| CPU | x64 or ARM64 | x64 or ARM64 |
| RAM | 100 MB Free RAM | 150 MB Free RAM |
| .NET | .NET Framework 4.8.1 | .NET Framework 4.8.1 |
| Shortcut | Action |
|---|---|
F1 |
Light Theme |
F2 |
Dark Theme |
F3 |
System Theme |
F4 |
Starting With: Windowed |
F5 |
Starting With: Full Screen |
F6 |
List View Mode: File Name |
F7 |
List View Mode: Full Path |
F11 |
Check Updates |
F12 |
About |
ESC |
Clear Selection |
- Zero Data Export Policy: Your privacy is our priority; no data leaves your machine.
- No Dependencies: Developed entirely from scratch using its own source code, there are no risks from security vulnerabilities in third-party libraries.
- Open Source: All source code for the program is open and can be reviewed by anyone.
This software is offered free of charge as part of the Türkaysoft solutions package and is protected under the MIT License.
