🛠️ pakheritagestore

Border Radius Generator

Create custom border-radius effects with precise control and real-time visual preview

Border Radius Controls

Live Preview

200px
150px
Preview

Generated CSS

CSS Implementation Examples

Class-based Usage

/* CSS */
.rounded-custom {
border-radius: 0;
}

/* HTML */
<div class="rounded-custom">Content</div>

Inline Style Usage

/* HTML */
<div style="
border-radius: 0;
">Content</div>

Shape Gallery

Square
0
Slight
4px
Medium
8px
Large
16px
Pill
50px
Circle
50%
Leaf
50% 0
Speech
20px 20px 0

Border Radius Properties

Single Value
border-radius: 8px;
Applies same radius to all corners
Four Values
border-radius: 10px 5px 15px 0;
Top-left, top-right, bottom-right, bottom-left
Elliptical Radius
border-radius: 20px / 10px;
Horizontal radius / Vertical radius
Percentage Values
border-radius: 50%;
Creates perfect circle when width equals height

Design Tips

Subtle Rounding
Use 4-8px for cards and buttons for modern look
Consistent Scale
Use multiples of 4px (4, 8, 12, 16) for consistency
Asymmetric Shapes
Individual corner control creates unique designs
Performance
Simple radius values render faster than complex curves

Features

  • 🎨 Real-time visual preview with size controls
  • 🔄 Multiple control modes (uniform, individual, elliptical)
  • 🎯 Precise corner selection and adjustment
  • 📋 Ready-to-use CSS code generation
  • 🎪 Built-in shape presets and gallery
  • 💾 CSS download and copy functionality

Use Cases

  • 🎨 Modern button and card design
  • 📱 Mobile app interface elements
  • 🎯 Image masking and shape creation
  • 🏷️ Badge and tag styling
  • 🖼️ Creative layout elements
  • 📄 Form input and container styling

Example algorithm (days)

// Using date objects in most languages:
days = (date2 - date1).days
Example: Days between 2025-01-01 and 2025-03-01 = 59 days (non-leap year).

6. Days Until

What it does: "Days Until" calculates how many days remain until a target date (a birthday, holiday, event). It is essentially a date-difference from today to a future date but often presented with friendly copy and optional recurrence handling for yearly events.

Features

Example: Today is 2025-09-24 — Days until 2025-12-25 (Christmas) = 92 days.

Putting it all together — Building reliable web calculators

Here are practical tips for developers and product managers building these tools on websites and mobile apps:

Sample HTML form (simplified)

<form id="percentage-form">
<label>Base: <input name="base" type="number" step="any" /></label>
<label>Percentage: <input name="percent" type="number" step="any" /></label>
<button type="submit">Calculate</button>
</form>

Attach client-side JS to compute results instantly and show them inside an accessible result container.

Design & SEO considerations

These calculator pages are highly searchable. Follow these quick SEO tips:

Conclusion

Age, Percentage, Loan, BMI, Date Difference, and Days Until calculators are simple but powerful tools that deliver immediate value. When implemented carefully — with correct formulas, clear UX, accessibility, and privacy considerations — they can significantly improve user engagement and trust. Developers should prefer reliable libraries for date and numeric handling, clearly document assumptions, and provide helpful explanations so users can understand and act on their results.

If you’d like, I can also provide ready-to-use JavaScript snippets for any of the calculators above (for example, a full amortization table script for the Loan Calculator or a BMI widget with unit toggles). Tell me which one you want first and I’ll include a copy-pasteable implementation.

Written as a detailed guide for developers and product teams building small utility calculators for web and mobile. Updated: 2025-09-24.