SASS to CSS Converter
Paste indented SASS and get plain CSS — braces and semicolons are added, variables are resolved, and nested rules are flattened.
Last updated: May 25, 2026
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Buy me a coffeeWhat is SASS to CSS Converter?
SASS is the original indentation-based syntax for Sass. Instead of curly braces and semicolons it uses Python-like whitespace, plus shorthand such as `=mixin-name` and `+include-name`. It also supports `$variables`, nested selectors, and `&` parent references just like SCSS.
This converter performs the SASS-to-SCSS conversion (adding braces and semicolons, expanding the `=`/`+` shorthand into `@mixin`/`@include`) and then performs the SCSS-to-CSS pass in the same step. Variable references are substituted, nested selectors flatten into descendant CSS rules, and basic mixin bodies are inlined where they are used.
It is ideal for quickly compiling a SASS snippet without installing a build tool. As with the SCSS-to-CSS converter, advanced Sass features such as control flow (`@if`, `@for`, `@each`), `@function`, Sass modules, and colour helpers are not evaluated; for those you should fall back to the official Dart Sass compiler.
How to Use SASS to CSS Converter
Paste indented SASS code into the input panel.
The CSS output appears instantly on the right.
Inspect how nested rules and variables have been expanded.
Copy the CSS or download it as a .css file.
Replace any unsupported helpers (lighten, darken, control flow) manually.
Common Use Cases
- Migrate a legacy .sass stylesheet to plain CSS without installing Sass locally.
- Quickly preview how indented SASS will look after compilation.
- Strip $variables and =mixins from a Sass snippet shared in documentation.
- Convert a SASS component snippet for use in a CSS-only project or CMS theme.
- Sanity-check whitespace and indentation alignment before committing.
Example Input and Output
Compile an indented SASS card into descendant CSS rules.
$primary: #0f766e
.card
color: $primary
.title
font-weight: 600
&:hover
color: white.card {
color: #0f766e;
}
.card .title {
font-weight: 600;
}
.card:hover {
color: white;
}Privacy
All conversion happens locally in your browser. No SASS or CSS is transmitted to any server.
Sass features that need a real compiler
Use the official Dart Sass compiler when you rely on @if/@for/@each control flow, custom @function definitions, Sass modules, or colour helpers like lighten() and darken().

