CSS to Java · Convert CSS to Swing Code 2026

Paste CSS rules (e.g., for buttons or panels) and convert them to Java Swing code. Generates Color, Font, Border, and background settings. Perfect for Java desktop developers.

🎨 CSS Input (e.g., button or .my-class)

📦 Java Swing Code (for JButton/JPanel)

Ready to convert

🔒 Local Only☕ Swing Focus⚡ Instant

🔄 Conversions: 0

★★★★★

How it works: Paste CSS rules → click Convert → get Java Swing styling code (for JButton, JPanel, etc.). Supports colors, borders, font, padding, background.

🎯 Why Convert CSS to Java Swing?

Java Swing components require verbose code for styling (Colors, Borders, Fonts). CSS is much more concise. This tool translates common CSS properties into their Swing equivalents, saving development time. It supports: background-color, color, border, border-radius (simulated as LineBorder with corner radius using CompoundBorder? we generate simple border for now), font-family, font-size, padding (mapped to EmptyBorder). The output is a complete method that you can paste into your Java project. Perfect for Java developers who want to quickly prototype UI styles.

📘 How to Use

Paste CSS rule (selector optional, we ignore selector).
Click Convert to Java.
Copy or download the generated Java code.

✨ Features

🎨 Background color → setBackground

🎨 Text color → setForeground

🖌️ Border (solid) → LineBorder

📏 Padding → EmptyBorder

🔠 Font family/size → Font

📦 Generates ready‑to‑use method

⚙️ How It Works

A simple CSS parser extracts property:value pairs. Background-color and color become Color.decode(). Border width and color become LineBorder. Padding becomes EmptyBorder. Font becomes new Font(). Output wrapped in a method `styleButton()`.

❓ FAQ

1. Which CSS properties are supported?

background-color, color, border (solid), border-radius (ignored), font-size, font-family, padding (all sides).

2. Does it work for JPanel?

Yes, same principles apply.

✅ Java code generated

CSV to JSON