SepForge - Color Separation
Tool For Print Shops
Only for Mac
Free · In‑App Purchases
Mac
Turn any artwork into press-ready color separations — spot inks, simulated process, underbase and halftone films, all from your Mac.
SepForge turns your artwork into press-ready color separations for screen printing — right on your Mac.
Load a design, choose how to separate it, fine-tune every channel, and export the film positives your shop needs to burn screens. From bold spot-color graphics to photographic, painted, and selective-color artwork, SepForge gives you the control professional separations demand.
SEPARATION METHODS
• Spot Color — map your artwork to a named ink library with automatic matching, per-ink overrides, and custom colors
• Simulated Process — reproduce photographic and painted art with smooth, blended tones
• Spot Separation — for selective-color art, like a red subject over a black-and-white scene: each ink prints only where its own color appears, keeping every channel clean with no cross-contamination
PER-CHANNEL CONTROL
• Channel Levels — adjust Black Point, White Point, Gamma, and Ink Limit on any channel to deepen shadows, recover detail, or reduce ink
• Non-destructive, with a live preview
BUILT FOR THE PRESS
• Automatic white underbase for dark garments
• Highlight and neutral-black channels
• Halftone dot control — LPI, dot size, and dot-gain compensation
• Soft-edge control and ink-density tuning
PROOF BEFORE YOU PRINT
• Live color proof showing exactly how your separation will print
• Per-channel preview in real ink colors
• See your full ink list before you commit
PROJECTS & EXPORT
• Save your work as a .sepforge project — the image and all settings, reopenable anytime
• Export print-ready films as PNG (one per channel) or a single multi-page PDF, sized to your press DPI with registration marks and channel labels
SepForge is free to explore — separate, preview, and proof at no cost. A SepForge Pro subscription unlocks film export (PNG and PDF).
Perfect for screen printers, print shops, and anyone producing separations for silkscreen.
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Privacy Policy: https://splashroad.com/privacy-policy/
Terms of Service: https://splashroad.com/terms-of-service/
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New in this version:
• Spot Separation — a new separation mode for selective-color artwork (like a red bus on a black-and-white scene, or a spot-color logo over a photo). Each ink prints only where its own color actually appears, so channels stay clean with no color bleeding between them.
• Channel Levels — per-channel tone control. Fine-tune Black Point, White Point, Gamma, and Ink Limit on any individual channel to deepen shadows, recover detail, or reduce ink — non-destructive, with live preview.
• Projects — save your work as a .sepforge file (image and all settings included) and reopen it later exactly as you left it.
• Ink Density control for Simulated Process, to tune overall ink weight and shadow depth.
• Deeper blacks in the built-in ink library for richer shadow detail, plus clearer separation between preview-only and film-export controls.
• Stability and usability improvements.
The developer, Splash Colors, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Splash Colors, MChJ
- Size
- 2.8 MB
- Category
- Graphics & Design
- Compatibility
Requires macOS 14.6 or later.
- Mac
Requires macOS 14.6 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Annual $49.99
- Monthly $9.99
- Copyright
- © Splash Colors MChJ
