CSS Minifier for Swift

Free online css minifier with Swift code examples

Working with css minifier in Swift? Our free online css minifier helps Swift developers format, validate, and process data instantly. Below you will find Swift code examples using Custom regex-based minifier so you can achieve the same result programmatically in your own projects.

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Swift Code Example

import Foundation

func minifyCSS(_ css: String) -> String {
    var result = css
    // Remove comments
    result = result.replacingOccurrences(
        of: "/\\*[\\s\\S]*?\\*/", with: "", options: .regularExpression)
    // Remove whitespace around selectors and properties
    result = result.replacingOccurrences(
        of: "\\s*([{}:;,])\\s*", with: "$1", options: .regularExpression)
    // Remove remaining newlines and extra spaces
    result = result.replacingOccurrences(
        of: "\\s+", with: " ", options: .regularExpression)
    return result.trimmingCharacters(in: .whitespaces)
}

let css = "body { background-color: #fff; font-size: 16px; margin: 0; }"
print(minifyCSS(css))

Quick Setup

Library: Custom regex-based minifier
// No external dependency needed

Swift Tips & Best Practices

  • For production, use a dedicated minifier in your build pipeline
  • Regex-based approach works for basic minification
  • SwiftCSS is available via SPM for more thorough parsing

Frequently Asked Questions

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