WeblixTools
Universal Favicon 2.0 • Dynamic Dark/Light SVG & iOS 18 Tinted Icons

Dynamic Dark Mode Favicon Generator

Never let your favicon disappear on dark tabs. Automatic theme switching with native vector CSS.

Presets:

Icon Configuration

Primary Color
Gradient To
Corner Squircle Radius22%
Square (0%)Apple Squircle (22%)Pill / Circle (50%)
Glyph Padding / Margin12%
Dynamic SVG Dark Mode Overrides

When a user toggles their OS or browser into Dark Mode, this background color activates automatically via CSS:

#0f172a
3D Interactive Master Preview
High-Res Retina Canvas (512x512)

Rendered via zero-latency HTML5 Canvas API with sub-pixel antialiasing and continuous-curvature squircle clipping.

Vector SVGMulti-Res .ICOiOS 18 Xcode

Live Browser Tab Simulator

WeblixTools – Production App
https://weblixtools.com

Mobile Home Screen Simulator

iOS 18 & Android 14+
Standard1024x1024
iOS 18 DarkDark Mode
iOS 18 TintedMonochrome
Android RoundAdaptive

Framework Implementation

Next.js 14 / 15 / 16 (App Router)
// Next.js 14 / 15 / 16 (App Router)
// Simply place these generated files in your 'app/' directory:
// 1. app/icon.svg           (Generated dynamic dark/light vector favicon)
// 2. app/apple-icon.png     (180x180 Apple Touch Icon)
// Next.js serves them automatically with zero additional code!
HTML5 / Astro / Vite
<!-- Modern HTML5 Head Tags -->
<link rel="icon" href="/icon.svg" type="image/svg+xml" sizes="any" />
<link rel="icon" href="/favicon.ico" sizes="32x32" />
<link rel="apple-touch-icon" href="/apple-touch-icon.png" />
<link rel="manifest" href="/site.webmanifest" />
Latest Engineering Articles

Learn Modern Favicon & App Icon Engineering

Explore All Guides
Engineering6 min read

The Ultimate Guide to Dynamic SVG Favicons with Dark Mode Media Queries

Stop losing your brand mark when users switch to dark mode. Learn how to embed CSS prefers-color-scheme media queries directly into vector SVG favicons.

Read Article
Mobile8 min read

Mastering iOS 18 Light, Dark, and Tinted App Icons in Xcode 16

iOS 18 introduced dynamic home screen tinting and system dark mode icons. Here is the exact specification and asset structure required to pass Apple App Store review.

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Engineering5 min read

Zero-Config Favicons & OpenGraph Assets in Next.js 14 and 15

Explore the built-in file-system metadata conventions of Next.js App Router that automatically generate, optimize, and cache your website icons.

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Why favicons disappear in dark mode

Most logos are designed on a white background. In a dark browser theme the tab bar turns charcoal, and a black or navy mark sitting on a transparent background almost vanishes. Users find your tab by its icon, so an invisible favicon costs real clicks.

There are two common fixes. You can give the icon a solid tile that contrasts with both themes, or you can ship an SVG favicon that swaps its colours with a prefers-color-scheme media query. This generator does both: the PNG and ICO files get a solid background tile, and the SVG version switches to your dark palette automatically.

Test the result in the live tab preview above with the Light and Dark toggle before you download.

How to use it

  1. 1Choose your light-theme background and glyph colours.
  2. 2Pick a dark-theme background and text colour with strong contrast.
  3. 3Flip the tab preview between light and dark to compare.
  4. 4Download and reference icon.svg first, with favicon.ico as the fallback.

Modern Icon Packages vs. ICO/PNG-Only Converters

Web standards have evolved. A single fixed-size PNG or ICO looks soft on high-density screens and can disappear on dark browser tabs.

FeatureWeblixToolsBasic ICO/PNG converter
Dynamic SVG Dark/Light Mode✓ Yes (Native CSS Media)Fixed colours only
Apple iOS 18 Light/Dark/Tinted✓ Complete AppIcon CatalogSingle 180 px PNG
Where Your Image Is Processed✓ 100% In-Browser (Zero Uploads)Varies; often uploaded to a server
Framework-Ready Snippets✓ HTML, Next.js App RouterGeneric HTML tags
PWA Web Manifest✓ site.webmanifest includedUsually not included

Frequently Asked Questions

How do browsers know which icon color to show?

Modern browsers evaluate embedded CSS media queries inside the SVG file to select the active fill color based on the user's OS preference.

Which browsers support dark mode favicons?

Browsers that render SVG favicons (Chrome, Edge, Firefox and recent Safari) evaluate the media query inside the file. Others fall back to your ICO or PNG, which uses a solid tile so it stays visible in both themes.

Can I use a transparent background?

Yes, but check the dark preview carefully. A transparent icon with dark artwork is exactly the case that disappears on dark tabs.

See all FAQs →