The ultimate color toolkit for designers, decorators, artists, and creators. 40+ free tools, no sign-up, fast on every device.
Book formatting software for self-publishers
Stage
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Founded
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Based in
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DE
Pricing model
Free
Paid
Pricing
Not given
One-time purchase price to be announced before launch. Without a license, the software works with basic features indefinitely but exports carry a watermark.
Key features
Palette Generator
Color Picker with HEX, RGB, HSL, OKLCH, LAB outputs
Image Color Extractor
WCAG and APCA Contrast Checker
Color Blindness Simulator
CSS Gradient Generator
Design Token Export W3C DTCG
Color Wheel Harmonies
Tailwind Color Palette
Material You Colors
Supports Windows, macOS and Linux
Accepts Word and Markdown manuscripts
Generates print-ready PDF for KDP and IngramSpark
Creates EPUB 3 for ebook stores
Automatic layout of running heads and chapter openers
Professional typography with correct quotation marks and dashes
German language typography support
Works offline without requiring an account
Custom theme saving in licensed version
What makes it different
No sign-ups, no paywalls, runs entirely in browser
Perceptually uniform color math with OKLCH and LAB
Accessibility-first design with inline contrast and CVD simulation
ColorUI
Kernsetzer