How to Generate Favicons for Modern Websites
Create complete cross-platform favicon packages in four simple steps:
Upload Source Logo
Select a high-resolution square PNG, JPG, or SVG image (512x512+).
Inspect Browser Tabs
Verify how your brand icon looks across light and dark theme tabs.
Copy HTML Tags
Copy the ready-to-paste `` code snippet into your site header.
Download Package
Download all generated PNG sizes and `site.webmanifest` in one click.
Key Features & Platform Support
Complete Multi-Size Bundle
Generates 16x16, 32x32, 48x48, 180x180 Apple Touch, and 192x192/512x512 PWA icons.
Simulated Tab Previews
Preview how your icon looks on live light and dark browser tabs before deploying.
Generated Webmanifest
Includes a preconfigured `site.webmanifest` JSON file ready for Progressive Web Apps.
100% In-Browser Privacy
Your brand logos stay in your local browser memory. Zero files are uploaded to third parties.
Bicubic Downscaling
High-grade image interpolation algorithms ensure crisp, clear icons even at tiny 16x16 sizes.
1-Click Full Download
Download all generated icon files and configuration manifests in one click.
Modern Favicon Standards & PWA Icon Best Practices
In modern web design, a single `.ico` file is no longer sufficient. Modern web browsers, mobile operating systems (iOS Safari, Android Chrome), search engine snippets (Google Search results), and Progressive Web Apps (PWAs) require specific icon dimensions and Web App Manifests to render sharp, recognizable brand marks.
Nextgen Astra Favicon Generator produces the exact modern specification files needed for 100% device compatibility with zero server tracking.
Comparison Matrix
| Feature | Nextgen Astra | Legacy Favicon Sites | Manual Photoshop Export |
|---|---|---|---|
| PWA Webmanifest Included | Yes (Automated) | No (.ico only) | Manual Code |
| Privacy Guarantee | 100% In-Browser (No Cloud) | Uploaded to Cloud Servers | Local |
| Simulated Tab Previews | Light & Dark Modes | Rarely Included | None |
| Cost | 100% Free Forever | Ad-Heavy | $20.99/month |
Frequently Asked Questions
?What favicon sizes are generated in the package?
The tool generates all standard modern web and mobile assets: `favicon-16x16.png` (browser tabs), `favicon-32x32.png` (standard displays), `favicon-48x48.png` (Windows tiles), `apple-touch-icon.png` (180x180 iOS home screen), and `android-chrome-192x192.png` & `android-chrome-512x512.png` (PWA apps).
?Is a webmanifest file and HTML code snippet included?
Yes! A preconfigured `site.webmanifest` JSON file and ready-to-paste `<link rel='icon'>` HTML meta tags are automatically generated.
?What is the recommended source image size to upload?
For the highest quality results across Retina and 512x512 PWA icons, upload a square image of at least 512 × 512 pixels in PNG or SVG format.
?Are my branding logos uploaded to any external server?
No! All image downscaling and package generation happen 100% locally inside your web browser using HTML5 Canvas.
?Can I preview how the favicon looks on actual browser tabs?
Yes! The live preview section simulates both Light Mode and Dark Mode browser tabs with your active favicon in real time.