Favicon Generator

Create professional favicon sets for your website with multiple formats and sizes

Create Favicon

Input Method:

Upload Image Text Icon Emoji

Upload Image:

Click to upload image or drag and drop

PNG, JPG, GIF up to 2MB (Square images work best)

Output Format:

ICO format (16x16, 32x32, 48x48) PNG formats (16x16 to 512x512) SVG format (vector) HTML code snippet

Preview

256×256

Size Previews:

16×16

32×32

48×48

64×64

Browser Tab Preview:

Your Website Title

Mobile App Icon Preview:

Favicon Sizes

16×16 Browser tab, bookmarks

32×32 Taskbar, desktop shortcuts

48×48 Windows desktop icons

180×180 iOS Safari, iPhone home screen

192×192 Android Chrome, PWA

512×512 PWA splash screen

Best Practices

Square Images

Use square images for best results across all sizes

Simple Design

Keep it simple - details get lost at small sizes

High Contrast

Use high contrast colors for better visibility

Test Multiple Sizes

Check how your favicon looks at different sizes

Features

📁 Multiple input methods (upload, text, emoji)
🔄 Generate multiple formats (ICO, PNG, SVG)
📱 Preview in different contexts (browser, mobile)
📦 Download complete favicon packages
📋 Ready-to-use HTML implementation code
🎨 Customizable text and emoji favicons

Use Cases

🌐 Website branding and identification
📱 Progressive Web App (PWA) icons
🔖 Browser bookmark recognition
📋 Quick logo and brand icon creation
🎯 App shortcut icons
💼 Professional web development projects

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

Support recurring yearly events: if the target date this year already passed, compute days until the date next year.

Offer both exact days and a human-friendly format like "2 months and 5 days".

Countdown formatting: allow users to toggle between days-only, weeks + days, or months + days.

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:

Use tested date libraries. Rely on battle-tested libraries (like Luxon, date-fns, or the native Intl APIs) rather than hand-rolled date math. They handle leap years, daylight saving time, and locale formats.

Validate user input. Provide clear error messages, accept multiple formats, and sanitize all numeric input to avoid parsing errors (commas vs dots in decimals).

Provide educational context. For BMI and loan calculators, include short notes about limitations (BMI) and fees/assumptions (loans) so users understand what the outputs mean.

Accessibility. Make forms keyboard-friendly, support screen readers, and provide visible focus states. Add aria-live regions to announce results to screen reader users.

Performance and privacy. Calculations should occur client-side where possible to reduce latency and avoid storing sensitive input like birth dates or financial figures on servers unless explicitly needed.

Internationalization (i18n). Respect local number and date formats, offer metric and imperial units, and translate messages for broader reach.

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:

Provide clear titles and meta descriptions (as used in this page).

Use structured data (Schema.org) where appropriate — for example, FAQ schema if you include common questions about the calculators.

Offer shareable results or a printable summary for users who want to save calculations or share with advisors.

Include internal links between calculators (users often transit between percentage calculators, loan calculators and BMI pages).

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.

Favicon Generator

Create Favicon

Preview

Generated Files

HTML Implementation

Favicon Sizes

Best Practices

Features

Use Cases

Example algorithm (days)

6. Days Until

Features

Putting it all together — Building reliable web calculators

Sample HTML form (simplified)

Design & SEO considerations

Conclusion