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FREE TOOLS
CSS Button Style Generator
Generate scoped button spacing, border, colors and a visible keyboard-focus outline.
Background hex color, Text hex color, Padding (px), Corner radius (px)
css-button-generator.json (complete report and generated source where applicable)
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Enter values using the displayed examples; observe the documented input shape and limits.
- Choose Calculate result. Review the complete JSON report and any generated source text it contains.
- Download result to save the complete report; copy generated source into your project when relevant. Reset restores examples and clears output.
Examples
Background hex color: #000000
Text hex color: #ffffff
Padding (px): 12
Corner radius (px): 0
Limitations
- Style source only; use a native button in your page. Colors are user-selected and require project contrast review.
- Maximum 100,000 UTF-16 units per field, 400,000 UTF-8 combined input bytes, 4 MiB output and 30 seconds in a local worker. Tool-specific bounds may be tighter.
- Generated source is contained in the JSON download and is never executed. Local inspection does not verify remote systems or establish standards certification.
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