{
  "title": "Design tools",
  "human_url": "https://happytails.ai/en/design-tools/",
  "agent_url": "https://happytails.ai/agents/en/design-tools/",
  "language": "en",
  "markdown_url": "https://happytails.ai/en/design-tools.md",
  "content": "Design tools\nFind the tool you need, then open it to get started.\nAll design tools\nAspect ratio calculator\nFind the simplest aspect ratio from a width and height.\nCollage maker\nArrange your images in a simple collage.\nColor palette from image\nExtract representative colors with controllable palette size.\nColor picker\nImage upload sampling plus manual color entry.\nColor shades\nGenerate tints/shades with defined color-space interpolation and HEX/CSS output.\nContrast checker\nCompute stated WCAG ratio for foreground/background.\nCSS box shadow\nVisual controls and accessible code output.\nCSS flexbox\nResponsive interactive preview with generated CSS and minimal HTML.\nCSS grid\nRows, columns, gaps and placements.\nCurved text generator\nPlace text on adjustable arcs or circles with radius, direction and spacing controls.\nFavicon generator\nCreate an ICO favicon from an image.\nGradient generator\nLinear/radial stops, angle and CSS export.\nHex to RGB\n3/6/8-digit HEX support and explicit alpha interpretation.\nPalette generator\nGenerate from image or seed.\nPalette visualizer\nPreview selected colors on realistic text/surface components without claiming complete accessibility.\nRGB to hex\nValidate channel ranges and alpha.\nSVG optimizer\nBefore/after render and size.\nWord art generator\nCreate styled or stacked display text with font, fill, outline, spacing and layout controls.\nMake design values consistent across formats\nDesign utilities help translate colors, dimensions and layout values into reusable settings. A color representation or size calculation is only useful when its units and intended display context are clear.\nHow to choose your next step\nCheck the target medium, background and dimensions before copying a result. Test the design where it will actually appear.\nCommon questions about design tools\nAre colors identical on every display?\nNo. Display calibration, color management and viewing conditions can change appearance. Numeric color conversion does not control those conditions.\nDoes a computed contrast ratio describe the whole design?\nA ratio compares specified foreground and background colors. Transparency, images, font size and other visual choices can change the actual reading experience.",
  "content_format": "text/plain",
  "visibility": "public",
  "links": [
    {
      "name": "Aspect ratio calculator Find the simplest aspect ratio from a width and height.",
      "url": "https://happytails.ai/en/design-tools/aspect-ratio-calculator/"
    },
    {
      "name": "Collage maker Arrange your images in a simple collage.",
      "url": "https://happytails.ai/en/design-tools/collage-maker/"
    },
    {
      "name": "Color palette from image Extract representative colors with controllable palette size.",
      "url": "https://happytails.ai/en/design-tools/color-palette-from-image/"
    },
    {
      "name": "Color picker Image upload sampling plus manual color entry.",
      "url": "https://happytails.ai/en/design-tools/color-picker/"
    },
    {
      "name": "Color shades Generate tints/shades with defined color-space interpolation and HEX/CSS output.",
      "url": "https://happytails.ai/en/design-tools/color-shades/"
    },
    {
      "name": "Contrast checker Compute stated WCAG ratio for foreground/background.",
      "url": "https://happytails.ai/en/design-tools/contrast-checker/"
    },
    {
      "name": "CSS box shadow Visual controls and accessible code output.",
      "url": "https://happytails.ai/en/design-tools/css-box-shadow/"
    },
    {
      "name": "CSS flexbox Responsive interactive preview with generated CSS and minimal HTML.",
      "url": "https://happytails.ai/en/design-tools/css-flexbox/"
    },
    {
      "name": "CSS grid Rows, columns, gaps and placements.",
      "url": "https://happytails.ai/en/design-tools/css-grid/"
    },
    {
      "name": "Curved text generator Place text on adjustable arcs or circles with radius, direction and spacing controls.",
      "url": "https://happytails.ai/en/design-tools/curved-text-generator/"
    },
    {
      "name": "Favicon generator Create an ICO favicon from an image.",
      "url": "https://happytails.ai/en/design-tools/favicon-generator/"
    },
    {
      "name": "Gradient generator Linear/radial stops, angle and CSS export.",
      "url": "https://happytails.ai/en/design-tools/gradient-generator/"
    },
    {
      "name": "Hex to RGB 3/6/8-digit HEX support and explicit alpha interpretation.",
      "url": "https://happytails.ai/en/design-tools/hex-to-rgb/"
    },
    {
      "name": "Palette generator Generate from image or seed.",
      "url": "https://happytails.ai/en/design-tools/palette-generator/"
    },
    {
      "name": "Palette visualizer Preview selected colors on realistic text/surface components without claiming complete accessibility.",
      "url": "https://happytails.ai/en/design-tools/palette-visualizer/"
    },
    {
      "name": "RGB to hex Validate channel ranges and alpha.",
      "url": "https://happytails.ai/en/design-tools/rgb-to-hex/"
    },
    {
      "name": "SVG optimizer Before/after render and size.",
      "url": "https://happytails.ai/en/design-tools/svg-optimizer/"
    },
    {
      "name": "Word art generator Create styled or stacked display text with font, fill, outline, spacing and layout controls.",
      "url": "https://happytails.ai/en/design-tools/word-art-generator/"
    }
  ],
  "markdown": "# Design tools\n\n- Human page: https://happytails.ai/en/design-tools/\n- Markdown: https://happytails.ai/en/design-tools.md\n- Structured JSON: https://happytails.ai/agents/en/design-tools/index.json\n- Visibility: public\n\n## Page guide\n\nFind the tool you need, then open it to get started.\n\n## All design tools\n\n- [Aspect ratio calculator](https://happytails.ai/en/design-tools/aspect-ratio-calculator/): Find the simplest aspect ratio from a width and height. ([Markdown](https://happytails.ai/en/design-tools/aspect-ratio-calculator.md))\n\n- [Collage maker](https://happytails.ai/en/design-tools/collage-maker/): Arrange your images in a simple collage. ([Markdown](https://happytails.ai/en/design-tools/collage-maker.md))\n\n- [Color palette from image](https://happytails.ai/en/design-tools/color-palette-from-image/): Extract representative colors with controllable palette size. ([Markdown](https://happytails.ai/en/design-tools/color-palette-from-image.md))\n\n- [Color picker](https://happytails.ai/en/design-tools/color-picker/): Image upload sampling plus manual color entry. ([Markdown](https://happytails.ai/en/design-tools/color-picker.md))\n\n- [Color shades](https://happytails.ai/en/design-tools/color-shades/): Generate tints/shades with defined color-space interpolation and HEX/CSS output. ([Markdown](https://happytails.ai/en/design-tools/color-shades.md))\n\n- [Contrast checker](https://happytails.ai/en/design-tools/contrast-checker/): Compute stated WCAG ratio for foreground/background. ([Markdown](https://happytails.ai/en/design-tools/contrast-checker.md))\n\n- [CSS box shadow](https://happytails.ai/en/design-tools/css-box-shadow/): Visual controls and accessible code output. ([Markdown](https://happytails.ai/en/design-tools/css-box-shadow.md))\n\n- [CSS flexbox](https://happytails.ai/en/design-tools/css-flexbox/): Responsive interactive preview with generated CSS and minimal HTML. ([Markdown](https://happytails.ai/en/design-tools/css-flexbox.md))\n\n- [CSS grid](https://happytails.ai/en/design-tools/css-grid/): Rows, columns, gaps and placements. ([Markdown](https://happytails.ai/en/design-tools/css-grid.md))\n\n- [Curved text generator](https://happytails.ai/en/design-tools/curved-text-generator/): Place text on adjustable arcs or circles with radius, direction and spacing controls. ([Markdown](https://happytails.ai/en/design-tools/curved-text-generator.md))\n\n- [Favicon generator](https://happytails.ai/en/design-tools/favicon-generator/): Create an ICO favicon from an image. ([Markdown](https://happytails.ai/en/design-tools/favicon-generator.md))\n\n- [Gradient generator](https://happytails.ai/en/design-tools/gradient-generator/): Linear/radial stops, angle and CSS export. ([Markdown](https://happytails.ai/en/design-tools/gradient-generator.md))\n\n- [Hex to RGB](https://happytails.ai/en/design-tools/hex-to-rgb/): 3/6/8-digit HEX support and explicit alpha interpretation. ([Markdown](https://happytails.ai/en/design-tools/hex-to-rgb.md))\n\n- [Palette generator](https://happytails.ai/en/design-tools/palette-generator/): Generate from image or seed. ([Markdown](https://happytails.ai/en/design-tools/palette-generator.md))\n\n- [Palette visualizer](https://happytails.ai/en/design-tools/palette-visualizer/): Preview selected colors on realistic text/surface components without claiming complete accessibility. ([Markdown](https://happytails.ai/en/design-tools/palette-visualizer.md))\n\n- [RGB to hex](https://happytails.ai/en/design-tools/rgb-to-hex/): Validate channel ranges and alpha. ([Markdown](https://happytails.ai/en/design-tools/rgb-to-hex.md))\n\n- [SVG optimizer](https://happytails.ai/en/design-tools/svg-optimizer/): Before/after render and size. ([Markdown](https://happytails.ai/en/design-tools/svg-optimizer.md))\n\n- [Word art generator](https://happytails.ai/en/design-tools/word-art-generator/): Create styled or stacked display text with font, fill, outline, spacing and layout controls. ([Markdown](https://happytails.ai/en/design-tools/word-art-generator.md))\n\n## Make design values consistent across formats\n\nDesign utilities help translate colors, dimensions and layout values into reusable settings. A color representation or size calculation is only useful when its units and intended display context are clear.\n\n## How to choose your next step\n\nCheck the target medium, background and dimensions before copying a result. Test the design where it will actually appear.\n\n## Common questions about design tools\n\n### Are colors identical on every display?\n\nNo. Display calibration, color management and viewing conditions can change appearance. Numeric color conversion does not control those conditions.\n\n### Does a computed contrast ratio describe the whole design?\n\nA ratio compares specified foreground and background colors. Transparency, images, font size and other visual choices can change the actual reading experience.\n"
}