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https://github.com/aleksandrhovhannisyan/fluid-type-scale-calculator
Generate font size variables for a fluid type scale with CSS clamp.
https://github.com/aleksandrhovhannisyan/fluid-type-scale-calculator
clamp css fluid-typography font-sizes linear-interpolation modular-scale responsive-font-sizes svelte sveltekit type-scale typescript typography
Last synced: about 19 hours ago
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Generate font size variables for a fluid type scale with CSS clamp.
- Host: GitHub
- URL: https://github.com/aleksandrhovhannisyan/fluid-type-scale-calculator
- Owner: AleksandrHovhannisyan
- License: mit
- Created: 2021-12-23T13:28:11.000Z (about 3 years ago)
- Default Branch: master
- Last Pushed: 2024-10-31T23:00:34.000Z (about 2 months ago)
- Last Synced: 2024-12-17T23:04:22.757Z (8 days ago)
- Topics: clamp, css, fluid-typography, font-sizes, linear-interpolation, modular-scale, responsive-font-sizes, svelte, sveltekit, type-scale, typescript, typography
- Language: Svelte
- Homepage: https://www.fluid-type-scale.com/
- Size: 3.16 MB
- Stars: 285
- Watchers: 3
- Forks: 18
- Open Issues: 1
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Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# Fluid Type Scale Calculator
> Generate font size variables for a fluid type scale with CSS clamp.
## Overview
Customize everything, grab the output CSS, and drop it into any design system. Share the URL with your team members or use it to document your CSS.
### Features
- Fully customizable parameters for everything:
- Baseline min/max font size, screen width, type scale.
- The names of the steps in your type scale.
- The prefix to use for the variable names.
- The max number of decimal places in the output.
- Whether to show output in rems or pixels.
- The resolved pixel value of 1rem.
- Output CSS variables for fluid font sizing.
- Live preview table. Pick a font and enter some sample text to fine-tune the results.
- Link sharing.
### Link Sharing
The `/calculate` route accepts the following query parameters and types. All parameters except boolean flags are required. Booleans that are not specified in the URL are treated as unchecked (`false`).
| Param | Description | Type | Constraints |
| ------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------ | ------------------------------------------------------------------------------------------------------------------------- |
| `minFontSize` | The minimum font size for the base step | `number` | `> 0 && < maxFontSize` |
| `minWidth` | The viewport or container width corresponding to the minimum font size | `number` | `> 0 && < maxWidth` |
| `minRatio` | The type scale ratio for the minimum font size of each step | `number` | `> 0 && < maxRatio` | `1.25` |
| `maxFontSize` | The maximum font size for the base step | `number` | `> 0 && > minFontSize` | `19` |
| `maxWidth` | The viewport or container width corresponding to the maximum font size | `number` | `> 0 && > minWidth` | `1280` |
| `maxRatio` | The type scale ratio for the maximum font size of each step | `number` | `> 0 && > minRatio` | `1.333` |
| `steps` | A comma-separated list of names for your type scale steps, in ascending order of font size | `string` | Comma-separated list. Step names must be alphanumeric, with no spaces. No duplicates are allowed. | `sm,base,md,lg,xl,xxl,xxxl` |
| `baseStep` | The name of the base step | `string` | Non-empty string. Must appear in `steps`. | `base` |
| `prefix` | The naming convention to use for the output CSS variables | `string` | Non-empty alphanumeric string. | `font-size` |
| `includeFallbacks` | Whether to include fallback variables in the CSS output for browsers that don't support clamp. | `on`, `true`, or `false` |
| `useRems` | Whether to use rems for font sizing. | `on`, `true`, or `false` | |
| `useContainerWidth` | Whether to use container width (cqi) instead of viewport width. | `on`, `true`, or `false` | |
| `remValue` | The computed pixel value of `1rem`. Useful if your app changes the root font size (e.g., with the popular [`62.5%` font size trick](https://www.aleksandrhovhannisyan.com/blog/62-5-percent-font-size-trick/)). Note: This parameter has no effect if `useRems` is omitted. | `number` | `> 0` | `16` |
| `decimals` | The number of decimal places to round the output to. | `int` | `>= 0 && <= 10` |
| `previewFont` | The font family to render in the preview. | `string` | Non-empty string. Spaces must be escaped (e.g., `Libre+Baskerville`). The font must be a valid Google Font. Custom fonts are not supported. |
| `previewText` | The text to render in the preview table. | `string` | Non-empty string. Spaces must be escaped (e.g., `This+is+a+sentence`). | `Almost before we knew it, we had left the ground` |
| `previewWidth` | The width to simulate in the preview table. | `number` | `> 0` |
Example URL: `https://www.fluid-type-scale.com/calculate?minFontSize=15&minWidth=400&minRatio=1.25&maxFontSize=17&maxWidth=1280&maxRatio=1.333&steps=sm%2Cbase%2Cmd%2Clg%2Cxl%2Cxxl%2Cxxxl&baseStep=base&prefix=font-size&decimals=2&useRems=on&remValue=10&previewFont=Libre+Baskerville&previewText=Testing+123&previewWidth=420`
### Tech Stack
- SvelteKit
- Sass
- TypeScript
### Running Locally
1. Clone the repo.
2. Run `pnpm install` to install dependencies.
3. Run `pnpm run dev` and visit `localhost:5173` to view the app.
## Similar Tools
- [Utopia.fyi fluid type scale calculator](https://utopia.fyi/type/calculator/) by James Gilyead and Trys Mudford
- [Type Scale](https://type-scale.com/) by Jeremy Church
- [Modern fluid typography editor](https://modern-fluid-typography.vercel.app/) by Adrian Bece
- [Fluid Typography](https://fluid-typography.netlify.app/) by Erik André Jakobsen
- [fluidtypography.com](https://fluidtypography.com/) by Kip Hughes
## Learn More
- [Creating a Fluid Type Scale with CSS Clamp](https://www.aleksandrhovhannisyan.com/blog/fluid-type-scale-with-css-clamp/), a deep dive I wrote on this topic. The technique covered in the article is the basis for this app.
- [Generating `font-size` CSS Rules and Creating a Fluid Type Scale](https://moderncss.dev/generating-font-size-css-rules-and-creating-a-fluid-type-scale/) by Stephanie Eckles
- [Consistent, Fluidly Scaling Type and Spacing](https://css-tricks.com/consistent-fluidly-scaling-type-and-spacing/) by Andy Bell