Guides

Short, practical how-tos for getting more out of the tools on this site.

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How to watermark your photos (and actually protect them)

Single corner vs. tiled, how much opacity to use, and when a text mark beats a logo.

Read the guide
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The right favicon sizes for every browser and device

Why one image isn't enough, and which sizes actually matter for tabs, bookmarks, and home screens.

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Running an online Secret Santa without a spreadsheet

How to draw names fairly, keep them secret from yourself too, and handle wishlists and exclusions.

Read the guide
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PNG vs JPEG vs WebP: which should you use?

A plain-language guide to picking the right image format, and when compressing actually helps.

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Making a digital advent calendar for your community

Planning 24 (or 25) doors people will actually look forward to, without scrambling on December 1st.

Read the guide