T170 · Web, Data, QR & Developer Tools

CSS Minifier & Stylesheet Compressor

CSS मिनिफायर (कोड कंप्रेसर)

Strip CSS comments (`/* ... */`), extra spaces, newlines, and trailing semicolons before `}` to reduce stylesheet byte size for faster Core Web Vitals LCP/FCP.

🔒 Browser-Local Only (Zero Server Upload)
Quick Examples:

Calculated Output & Breakdown

Minified CSS (Saved 44 Bytes / 28.2%)
.tool-card{background-color:#ffffff;padding:16px 24px;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.08)}
Original Size
156 bytes
Minified Size
112 bytes
Reduction
28.2%
StageBytesContent
Original CSS156/* Main Card Style */ .tool-card { background-color: #ffffff; padding: 16px 24px; border-radius: 12px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); }
Minified CSS112.tool-card{background-color:#ffffff;padding:16px 24px;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.08)}
Comments, newlines, and redundant spaces around braces/colons removed.

About this tool

Apply the tool’s simple CSS cleanup to a stylesheet sample and inspect the compact result. Keep a readable original and test the result in the actual page before replacing a production stylesheet.

Calculations and file processing run in this browser tab. The tool does not send working inputs or files to our hosting server.

हिंदी में जानकारी: CSS मिनिफायर (कोड कंप्रेसर)

मुख्य इनपुट और नियंत्रण हिंदी में देखने के लिए ऊपर “🇮🇳 हिंदी में देखें” चुनें। गणना और फ़ाइल प्रोसेसिंग इसी ब्राउज़र टैब में होती है; टूल आपके इनपुट हमारी होस्टिंग पर नहीं भेजता।

Features

  • Work with Paste Raw CSS Code.
  • Review Original Size; Minified Size; Reduction in the result breakdown.

Benefits

  • Compare a readable and compact CSS draft.
  • Reduce formatting clutter in a small stylesheet example.

Who should use this tool?

  • Developers checking a CSS sample.
  • People preparing a compact style snippet.

How to use

  1. Complete the labelled fields for your scenario, including Paste Raw CSS Code. Use the units shown beside each field.
  2. Try the example labelled “Minify Component Card CSS Block” if you want to check the workflow first.
  3. Select Calculate / Run Tool and review Minified CSS (Saved 44 Bytes / 28.2%) and Original Size; Minified Size.
  4. Check the assumptions and limitations below. Adjust a value to compare scenarios, then copy or download the result you need.

Try these worked examples

ScenarioExample inputsExample result
Minify Component Card CSS BlockPaste Raw CSS Code: /* Main Card Style */ .tool-card { background-color: #ffffff; padding: 16….tool-card{background-color:#ffffff;padding:16px 24px;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.08)}
Minify Utility ClassesPaste Raw CSS Code: .btn-primary { color: #fff; background: #2563eb; } .btn-primary:hover { ….btn-primary{color:#fff;background:#2563eb}.btn-primary:hover{background:#1d4ed8}

Reference and processing

W3C CSS Syntax Token Compression Rules · Listed applicability: 2025-2026

Calculations and file processing run in this browser tab. The tool does not send working inputs or files to our hosting server.

FAQs

Should I test the result before replacing a stylesheet?

Yes. Strings, custom syntax and whitespace-sensitive cases can need careful handling. A local minification preview is not a substitute for testing the affected page.

Which inputs do I need for CSS Minifier & Stylesheet Compressor?

Use Paste Raw CSS Code. The built-in examples show how those fields fit together.

What should I check before using this result?

Preserves spaces inside media queries and calc() expressions. Check the assumptions and output against your intended task before relying on the result.

What happens to the information I enter?

Calculations and file processing run in this browser tab. The tool does not send working inputs or files to our hosting server. Tool favourites save only tool IDs in this browser. Sharing sends the tool link, not your working values or files.

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