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Favicon Size for Blogger: What to Prepare and Why

What favicon size works for a Blogger blog, how a square raster icon relates to your vector logo, and which upload limits to confirm in your dashboard.

Published

Contents
  1. The short answer
  2. What is being sized: the favicon, not the vector logo
  3. Choosing a symbol that survives the size
  4. Preparing the file from vector artwork
  5. Usage rights
  6. Gaps in the available evidence

The short answer

A Blogger favicon should be a square raster image that still reads clearly when a browser shrinks it to tab size. Browsers commonly show favicons at very small dimensions, typically 16×16 or 32×32 pixels. The practical goal is a square file with a simple symbol, not a full logo.

The evidence for this article does not confirm Blogger's current upload limits, such as maximum file size, accepted formats or minimum pixel dimensions. Check the favicon upload option in your blog's dashboard for the exact requirements before you export the final file.

The favicon is a small raster image, a grid of pixels. Your vector logo is different. It is built from scalable paths and is usually kept as an editable master file. You upload the favicon to Blogger. You keep the vector logo as the source you export it from.

Because the favicon is raster, its pixel dimensions matter. A file with an SVG or vector-format extension does not guarantee that it contains editable paths. Some vector-format files only wrap an embedded raster image, and that gives you no scaling advantage. If you plan to export a favicon from a supplied logo file, open it in a vector editor first and confirm the artwork is made of real paths.

Choosing a symbol that survives the size

At tab size, there is room for only one recognizable shape. Complete logos with wordmarks, taglines or fine detail usually turn into an unreadable blur. Strong favicon candidates include:

  • A single letter or monogram taken from the brand name
  • A standalone brand mark or icon, without the accompanying text
  • A simplified version of the mark with thin lines thickened and small details removed
  • High contrast between the symbol and its background

Fit the symbol into a square. If the original mark is wide or tall, add padding or a background shape so the icon is not stretched or squeezed.

Preparing the file from vector artwork

Work from the vector master and export a square raster file, such as PNG, at a size larger than the tab display size. Then preview it scaled down to 16 and 32 pixels to check legibility. Exporting from vectors produces crisper edges than enlarging or shrinking a low-resolution raster copy. Whether Blogger resizes uploads automatically, and what upload size it prefers, is not confirmed here, so follow the guidance shown at upload.

Usage rights

Being able to download a logo does not give you permission to crop it, simplify it or use it as a favicon. If the mark is not your own, confirm that you have rights to modify and display the artwork, any fonts in it, and the trademark itself.

Gaps in the available evidence

The evidence does not establish several details: Blogger's exact recommended pixel dimensions, its file-size cap, its accepted file formats, or whether it accepts SVG favicons. Treat the dashboard's own instructions as the authority on these points.