Favicon Checker

Shows how a 16x16, 32x32, and 512x512 pixel version of an uploaded image would look in a browser tab.
Supported formats: PNG, JPG, SCO, SVG. Max size: 5MB.
16x16 (Browser Tab)
Tab Title
32x32 (Taskbar / High DPI)
512x512 (PWA / App Icon)
(Displaying at 128px for fit)

Features

  • Inspect how your favicon looks in different contexts (Browser Tab, Taskbar, App Icon).
  • Supports immediate preview without server upload.
  • Checks rendering for standard sizes: 16x16, 32x32, and 512x512.

How to Use

  1. Click the "Upload Favicon / Image" button to select your image file.
  2. Observe the previews on the right side to see how it renders in different sizes.
  3. Ensure your icon remains legible at the smallest 16x16 size.