ZeGrapher vs Image Color Picker
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
ZeGrapher compared with Image Color Picker
| Detail | 
ZeGrapher | 
Image Color Picker |
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| What it does | A free and open source math plotter, easy to pick up
| Free browser-based tool to extract HEX, RGB, and HSL color codes from any image pixel
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| Stage | Established
| Not given
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| Founded | 2011
| Not given
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| Based in | Not given
| Not given
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| Pricing model | Open source
| Free
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| Pricing | Not given
| Not given
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| Key features | - Natural function notation like f(x) = 2 + cos(x)
- Sequences from recurrence relations
- Parametric equations with custom intervals
- CSV data import and spreadsheet editing
- Animated constants and variable families
- Vector and image exports (SVG, PDF, PNG, JPEG, BMP, PPM)
- Grid customization with π multiples for ticks
- Interactive navigation with drag and zoom
- Multi-language support in 9 languages
- Built-in manual and automatic work saving
| - Click or tap any pixel to read its exact color code
- Get HEX, RGB, HSL, CMYK, and OKLCH values with one-click copy
- Extract dominant colors from an image as a palette
- No server upload – image processing happens entirely in your browser
- Match colors to traditional Chinese and Japanese color names
- Save color history in your browser on this device
- Works on mobile with touch and on-screen keyboard
- Export palettes as CSS variables, Tailwind, or JSON
- Support for JPG, PNG, and WebP image formats with drag-and-drop upload
- Use arrow keys to nudge the cursor and fine-tune pixel selection
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| What makes it different | - Draws mathematical objects exactly as written on paper with natural notation
- Handle CSV files of several million cells
- Objects can build on each other in expressions
- Exports with exact size in real centimeters
- Fully free and open source under GNU AGPL license
| - Entirely browser-based with no sign-up required
- Links picked colors to centuries-old traditional Chinese and Japanese palettes
- Displays multiple color formats (HEX, RGB, HSL, CMYK, OKLCH) for every pixel
- Image never leaves your browser – all processing is client-side
- Supports palette export in multiple formats for developers and designers
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 40 ▲ +1 (up) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 11 | 1 |
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| Citation Flow (Majestic) | 11 | 19 |
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| Referring domains (Majestic) | 53 | 8 |
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4 details filled in for both companies.
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