The Blog

Guides, tips, and updates on getting the most out of our free browser-based tools.

Oct 24, 2026

Favicon Sizes Guide: Every Icon Your Website Needs

You don't need 20 icon files. Here are the favicon and app icon sizes that browsers, phones and Google Search actually use, the HTML to add them, and how to fix a favicon that won't update.

5 min read Read Article
Oct 24, 2026

How to Calculate the Number of Days Between Two Dates

Counting days sounds easy until leap years, month lengths and "do I count the last day?" get involved. Here's how to do it by hand, in a spreadsheet and with a calculator, plus how to add or subtract days.

5 min read Read Article