
All-in-one image dithering tool for designers and digital artists
D1TH3R1NG 4UTOM4TOR is a portable desktop software dedicated to image dithering, with fully customizable parameters and a large selection of algorithms (both classic and experimental).
D1TH3R1NG 4UTOM4TOR is the successor to Dithering Automator, my original Photoshop template for applying dithering effects on images. While the template was mostly limited to ordered dithering, this app offers an expanded list of algorithms, more controls and options, and a dedicated interface designed specifically for image dithering.


What is dithering?
Dithering is a technique that simulates colors and tones by strategically arranging pixels in specific patterns. Whether working with just 2 colors, or limited color palettes, dithering creates the illusion of smooth gradients and additional colors by placing dots or pixels of available colors in calculated arrangements.
Dithering was originally developed to overcome hardware limitations of early computers and game consoles that could only display a few colors at once. Today, it's used to create retro/lo-fi or pixel art aesthetics or reduce image files sizes.



















Bonus - 4FT3RGLOW Photoshop action
4FT3RGLOW is a Photoshop companion action that provides a quick way to add bloom/glow and noise effects to your dithered images to get a look that mimics the light bleeding effect of old CRT monitors. The action includes adjustable threshold control so you can choose which brightness levels are affected by the glow. It's also non destructive and fully editable.
Provided as an .atn file with instructions - requires Photoshop CC

Streamlined workflow
Centralized controls in a dedicated settings panel and interactive preview canvas with zoom and drag-to-pan.
Custom dithering patterns
This tool allows you to create and edit your own dithering patterns based on binary tiles.
Color Options
Choose from several color mapping options: custom palettes, color presets and original image colors.
Image Adjustments
Includes the most common image adjustment parameters so you can retouch your images directly in the app!
Custom Presets
Save your favorite dithering configurations in the app to build your personal library of styles.
Features
30+ Dithering algorithms
- Error Diffusion: Floyd-Steinberg, False Floyd-Steinberg, Atkinson, Jarvis-Judice-Ninke, Stucki, Sierra, Sierra Lite, Burkes, Stevenson-Arce
- Ordered Dithering: Bayer matrices (2×2, 4×4, 8×8, 16×16)
- Pattern Dithering: Multiple tile patterns (4×4, 8×8, 3×3, 2×4, etc, custom patterns)
- Clustered dot dithering: Halftone 45°, Halftone 90°, Vertical & Horizontal Lines
- One-Dimensional Dithering (Modulation): X and Y variants
- Frequency Modulation Dithering (A more complex version of 1D dithering): X and Y variants
- Other: Random, Blue Noise and Joy-Plot
70+ Color palettes
D1TH3R1NG 4UTOM4TOR uses several methods for applying colors to images - you can choose between 3 color options: Custom color palettes, Color presets, and Original image colors.
- 18 retro computers presets: based on the colors used in systems from a bygone era - Commodore 64, Apple II, Teletext, MSX, CGA, EGA and more!
- 7 artistic presets
- 53 color palettes presets
- Custom palettes creator: build your own color schemes with the integrated color picker
- Random palette generator: generates random color schemes
Image adjustments
No need to retouch your images in a separate program first - D1TH3R1NG 4UTOM4TOR includes the most frequently used image adjustments parameters, so you can see the result on the dithered image in real time!
Image adjustments included:
- Levels (shadows, midtones, highlights), with histogram view and output levels controls
- Brightness and contrast
- Hue and saturation
- Blur and sharpen
- Invert
Save your presets, palettes and patterns
You can create your own presets, color palettes and dithering patterns and save them in the app to access them at all times and reuse them in future projects.
Custom dithering patterns
This feature is for those who like the more experimental side of dithering! You can design your own dithering patterns in a dedicated interface in the app. In the editor, you can build patterns using up to 10 levels - and each level gets mapped on your image based on the density of the pattern. When you create a custom pattern, you can see the result on your image in real time, and all patterns you create will be saved in the app as well, so you can reuse them on future images.
Other features
- Real-time preview: See results instantly as you adjust parameters.
- Randomize: Not sure where to start? Shuffle through all kinds of different configurations by clicking the Randomize button!
- Reset button and undo/redo functionality.
- User friendly canvas: Click and drag on your image to move it on the canvas, and zoom in with the mouse wheel (or by using the integrated zoom slider) to have a closer look at details.
- Resolution control: Scale your image up or down to adjust the resolution of the dithering effect.
- Transparency support: Transparency is supported for PNG files - the dithering will only be applied to visible pixels. Also, when using color palettes with exactly 2 colors, you can make one of the colors transparent to get dithered images with only 1 color and a transparent background.
- Integrated documentation: D1TH3R1NG 4UTOM4TOR includes a detailed guide with pictures, available in modal form directly in the app for ease of access.
- Upscale before exporting: The built-in upscaler allows you to resize your dithered image up to 2000% without losing resolution or getting scaling artifacts (uses pixelated interpolation), with real time output dimensions indicator.
- Batch export: automates the process of applying the same dithering settings/preset to multiple images. This can be useful if you have a lot of images to process but don't want to upload them one by one in the app (animation frames for example).
Bonus - 4FT3RGLOW Photoshop action
Includes a companion Photoshop action that you can run on your dithered images. This quick utility action adds some post processing bloom/glow and noise on your images to make them look a bit more old school.
No installation required
This application is portable - no installation required. Simply extract the ZIP and run the app.
App specs
System requirements
FAQ
What kind of app is this?
D1TH3R1NG 4UTOM4TOR is provided as a portable application. You can run it directly without installation - just download, extract, and launch. This means you can carry it on a USB drive and run it from any folder on your computer. Your settings and custom palettes and presets are saved in your system's standard user data location (AppData on Windows, Library on macOS), so they're preserved between sessions and accessible regardless of where you run the app from.
What image formats does the app support?
The app supports JPEG, PNG (transparency support), GIF (no animation support though), BMP, and WebP formats.
What's the maximum image size the app can handle?
The app can accept image files up to 15,000×15,000px and 100MB in file size, but images larger than 2000px in width are automatically downscaled to 2000px width (maintaining aspect ratio) to preserve performance. If your image width is less than 2000px, its original dimensions will be preserved. After processing, you can upscale your dithered images up to 2000% for export without losing pixel definition.
Can I import or create videos?
No - D1TH3RNG 4UTOM4TOR only supports image files, for both import and export.
Can I process multiple images at once?
Yes! The batch processing feature lets you apply the same dithering settings to multiple images automatically.
Can I use this for commercial projects?
Yes! The license allows commercial use for creating dithered images for clients, products, marketing materials, and other business purposes. The license covers the output images you create with the software.
Are there ongoing fees or subscriptions?
No subscriptions! One-time purchase gives you the full app with free updates. No monthly fees or cloud dependencies.
Can I use the app on several computers?
Yes - each license key allows activation on up to 2 computers simultaneously.
Is there a free trial?
Nope, sorry.
Does the app work offline?
Yes! You only need an internet connection for managing your license (activating and deactivating license slots). The rest of the time, you can use the app offline.
⚠️ Important notice
D1TH3R1NG 4UTOM4TOR does not include a code-signing certificate. As a result, your operating system (Smart Screen on Windows and Gatekeeper on macOS) WILL warn you that it's from an "unidentified developer" when you first open it. You'll need to bypass this warning manually by authorizing the app to run on your computer (instructions included). By purchasing the app, you acknowledge and accept this notice.
Purchase D1TH3R1NG 4UTOM4TOR
One time payment, lifetime access. No subscriptions or monthly payments.


Your order will be fulfilled via LemonSqueezy to support license key delivery and digital downloads.
END USER LICENSE AGREEMENT (EULA)
D1TH3R1NG 4UTOM4TOR
This End User License Agreement ("Agreement") is between you ("User") and MiksKS ("Developer") regarding your use of D1TH3R1NG 4UTOM4TOR software ("Software").
BY PURCHASING THIS SOFTWARE, YOU AGREE TO BE BOUND BY THE TERMS OF THIS AGREEMENT.
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The Developer grants you a non-exclusive, non-transferable license to use the Software under the following terms:
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© 2025 MiksKS. All rights reserved.
D1TH3R1NG 4UTOM4TOR and all related marks are property of MiksKS.
For questions regarding this Agreement, please contact the Developer through the appropriate support channels.
Last Updated: July 2025
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