postcss-convert-values
Advanced tools
The postcss-convert-values npm package is designed to optimize CSS size by converting values to use shorter forms where possible. It can reduce CSS file size by converting colors to their shorter hexadecimal or named format, transforming units, and simplifying values without changing their meaning.
Converting Length Units
Converts length values to use the shortest unit representation, removing units from zero values.
"body { margin: 0px; }" -> "body { margin: 0; }"Converting Colors
Optimizes color values by converting them to shorter named colors or hexadecimal values where possible.
".example { color: #ffffff; }" -> ".example { color: #fff; }"Simplifying Values
Removes unnecessary decimal places from numerical values to simplify and shorten them.
".container { padding: 50.0px 20.0px; }" -> ".container { padding: 50px 20px; }"cssnano is a modular CSS minifier that includes functionalities similar to postcss-convert-values as part of its optimizations. It can compress colors, remove comments, and deduplicate rules among other features, making it more comprehensive than postcss-convert-values.
clean-css is another CSS minifier and optimizer that can perform optimizations similar to postcss-convert-values, such as shortening color values and removing unnecessary characters. It offers a wide range of optimizations and is known for its balance between speed and efficiency.
Convert values with PostCSS (e.g. ms -> s)
With npm do:
npm install postcss-convert-values --save
This plugin reduces CSS size by converting values to use different units
where possible; for example, 500ms can be represented as .5s. You can
read more about these units in this article.
h1 {
font-size: 16px;
width: 0em
}
h1 {
font-size: 1pc;
width: 0
}
Note that this plugin only covers conversions for duration and absolute length values. For color conversions, use [postcss-colormin][colormin].
Type: boolean
Default: true
Pass false to disable conversion from px to other absolute length units,
such as pc & pt & vice versa.
Type: boolean
Default: true
Pass false to disable conversion from ms to s & vice versa.
Type: boolean
Default: true
Pass false to disable conversion from deg to turn & vice versa.
Type: boolean|number
Default: false
Specify any numeric value here to round px values to that many decimal places;
for example, using {precision: 2} will round 6.66667px to 6.67px, and
{precision: 0} will round it to 7px. Passing false (the default) will
leave these values as is.
It is recommended for most use cases to set this option to 2.
See the PostCSS documentation for examples for your environment.
See CONTRIBUTORS.md.
MIT © Ben Briggs
FAQs
Convert values with PostCSS (e.g. ms -> s)
We found that postcss-convert-values demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 8 open source maintainers collaborating on the project.
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