CSS Border Radius Generator
Create custom corner roundness or organic 8-point blob shapes with interactive sliders and instant CSS export.
100% Client-Side Privacy
All computation happens right in your browser's JavaScript engine. No data is ever sent to any remote server.
Instant Results
Zero network latency. Calculations and formatting are executed instantly with high cryptographic and mathematical precision.
Works Offline
Once loaded, this tool can function completely offline with no active internet connection required.
Frequently Asked Questions
How do organic blob shapes work?
CSS border-radius supports 8 values separated by a slash (e.g. `60% 40% ... / ...`), which gives different radii along horizontal and vertical axes.
Can I copy the CSS directly?
Yes, click 'Copy CSS' to paste the declaration straight into your stylesheets.