GUIDES
Guides
Practical notes on image formats, compression, privacy masking, and word counting — to help you choose right in a specific situation.
How word count works: CJK, Latin, characters, and platform limits
Chinese by character, English by word; characters with or without spaces; how social platform limits count — this clears up the conventions behind word counting.
ReadResizing vs compressing: what is the difference, and when to use each
Resizing changes pixel dimensions; compression changes file size in bytes. This explains the difference, when each applies, and the order to combine them.
ReadWhat is WebP, and why are web images all WebP now?
Where WebP came from, its advantages, why images saved from the web are often WebP and will not open, and whether to use it on your own site.
ReadMask faces, plates, and private details before sharing a photo
How to use mosaic to hide sensitive information before posting a purchase, a screenshot, or a receipt — plus the metadata and irreversibility points people miss.
ReadHow to compress an image to a target size (100KB, 200KB, 500KB)
Many forms and platforms cap image size. This explains how target-KB compression works, what to do when it will not shrink, and how size relates to dimensions.
ReadChoosing an image format: JPG vs PNG vs WebP
The difference between JPG, PNG, and WebP, the strengths and weaknesses of each, and which to pick for photos, icons, and web assets.
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