https://github.com/pierreburel/rem

PostCSS plugin, Javascript and Sass libraries to convert pixel to rem
https://github.com/pierreburel/rem

Last synced: about 1 month ago
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PostCSS plugin, Javascript and Sass libraries to convert pixel to rem

• Host: GitHub
• URL: https://github.com/pierreburel/rem
• Owner: pierreburel
• Created: 2026-04-16T19:37:37.000Z (4 months ago)
• Default Branch: main
• Last Pushed: 2026-04-16T21:24:27.000Z (4 months ago)
• Last Synced: 2026-05-09T05:46:17.805Z (3 months ago)
• Language: JavaScript
• Size: 1.01 MB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# rem [![CI](https://github.com/pierreburel/rem/actions/workflows/ci.yml/badge.svg)](https://github.com/pierreburel/rem/actions/workflows/ci.yml)

Monorepo for rem/em unit conversion tools.

## Packages

| Package                                           | Description                                                           | npm                                                                                                                     |

| ------------------------------------------------- | --------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------- |

| [@pierreburel/sass-rem](packages/sass-rem/)       | Sass function and mixin to use rem units with optional pixel fallback | [![npm](https://img.shields.io/npm/v/@pierreburel/sass-rem)](https://www.npmjs.com/package/@pierreburel/sass-rem)       |

| [@pierreburel/sass-em](packages/sass-em/)         | Sass function and mixin to convert px to em                           | [![npm](https://img.shields.io/npm/v/@pierreburel/sass-em)](https://www.npmjs.com/package/@pierreburel/sass-em)         |

| [@pierreburel/postcss-rem](packages/postcss-rem/) | PostCSS plugin to use rem units with optional pixel fallback          | [![npm](https://img.shields.io/npm/v/@pierreburel/postcss-rem)](https://www.npmjs.com/package/@pierreburel/postcss-rem) |

| [@pierreburel/postcss-em](packages/postcss-em/)   | PostCSS plugin to convert px to em                                    | [![npm](https://img.shields.io/npm/v/@pierreburel/postcss-em)](https://www.npmjs.com/package/@pierreburel/postcss-em)   |

| [@pierreburel/rem](packages/rem/)                 | JavaScript function to convert CSS rem units                          | [![npm](https://img.shields.io/npm/v/@pierreburel/rem)](https://www.npmjs.com/package/@pierreburel/rem)                 |

## Migrating from old package names

The packages were previously published as `sass-rem`, `sass-em`, `postcss-rem`, and `startijenn-rem`. Those names are deprecated but still work as redirects to the scoped packages.

| Old name         | New name                   |

| ---------------- | -------------------------- |

| `sass-rem`       | `@pierreburel/sass-rem`    |

| `sass-em`        | `@pierreburel/sass-em`     |

| `postcss-rem`    | `@pierreburel/postcss-rem` |

| `postcss-em`     | `@pierreburel/postcss-em`  |

| `startijenn-rem` | `@pierreburel/rem`         |

## Development

```bash

npm install

npm test              # run all tests

npm test --workspace=packages/sass-rem  # run one package

```

## Releasing

```bash

./scripts/release.sh  

# Example:

./scripts/release.sh rem patch

```

## License

MIT