Favicon Tools

Create and check favicons for your website in seconds.

Image to Favicon

Convert any image (PNG, JPG, SVG, WebP, AVIF) to a complete set of favicons for all devices.

Image

+

Drag & drop an image here

or click to choose a file

Supports PNG, JPG, WebP, AVIF, SVG and more.

Output

Generate to download a zip.

TL;DR

  • Universal Input: Convert PNG, JPG, WebP, or SVG into a valid favicon set.
  • Smart Sizing: Choose between “Cover” (crop to fill) or “Contain” (add padding) to perfectly fit square icons.
  • Production Standard: Generates not just one file, but the essential mix of favicon.ico + PNGs for modern web compatibility.

Why use a dedicated converter?

You can’t just rename logo.png to favicon.ico. The ICO format is a specific container that holds multiple raster images of different sizes. Browsers need this to pick the crispest version for the current context (tab list, bookmarks bar, desktop shortcut).

This tool handles the technical complexity:

  1. Resampling: High-quality downscaling filters (Lanczos3) to prevent 16x16 icons from becoming a muddy blur.
  2. Container Building: Compiling 16x16, 32x32, and 48x48 versions into a single binary .ico file.
  3. Modern Fallbacks: Generating standard PNGs (192x192, 512x512) for Android, PWA, and high-DPI screens.

Smart Cropping: Cover vs Contain

Most logos are rectangular, but favicons must be square. How you handle this mismatch defines whether your icon looks professional or amateur.

1. Cover (Crop to Fill)

  • Behavior: Zooms in until the image fills the square. Edges are cut off.
  • Best For: Symbols, monograms, or icons that are roughly square.
  • Result: Maximizes the icon size in the tiny browser tab.

2. Contain (Fit Center)

  • Behavior: Shrinks the image to fit entirely inside the square, adding transparent padding.
  • Best For: Wide wordmarks or tall logos that cannot be cropped.
  • Result: Preserves the whole logo, but it may appear very small.

Pro Tip: If your logo is a wide wordmark, do not try to squeeze it into a 16x16 square. It will be unreadable. Create a simplified “initial” or “symbol” variant of your brand for the favicon.

Understanding the ICO format

The .ico file is unique. Unlike a PNG which is one image, an ICO is a directory of images.

  • 16x16: The standard tab icon on desktop.
  • 32x32: Used for high-DPI (Retina) screens and taskbar shortcuts.
  • 48x48: Used by Windows for desktop icons.

Our converter automatically generates these standard sizes and bundles them. When a browser loads favicon.ico, it reads the header and picks the best size for the user’s screen density.

Best Practices

  1. Start Big: Upload an image at least 512x512 pixels. Downscaling from high quality is always better than upscaling.
  2. Check Contrast: Favicons appear on light (browser default) and dark (system theme) backgrounds. Ensure your logo is visible on both.
  3. Transparency is Key: Use a transparent PNG or SVG as input. White backgrounds look “boxy” and dated on modern dark-mode browser tabs.

FAQ

Why does my favicon look blurry?

At 16x16 pixels, you only have 256 dots to represent your brand. Complex details vanish. The solution is to use a simpler design, not a better converter.

Can I just use a PNG?

Most modern browsers support <link rel="icon" href="icon.png">. However, strict legacy support (IE, old tools) and some non-browser tools (RSS readers, crawlers) still blindly look for favicon.ico. It is safest to provide both.

What is the difference between this and the Generator?

  • Converter: Takes an existing image file and makes it a favicon.
  • Generator: Lets you design a favicon from scratch using text, emoji, and colors.
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