Practical guides
Clear explanations for common image, finance and data questions.
2026-07-29
HEIC vs JPG vs WebP: which image format should you use?
A practical comparison of HEIC, JPG and WebP for compatibility, quality, transparency and file size.
Read guide →2026-07-29Practical image sizes for websites, email and social sharing
Choose sensible pixel dimensions and compression for faster pages, clearer email and flexible social posts.
Read guide →2026-07-29How mortgage payments are calculated
Understand principal, interest, term, taxes and insurance before using a mortgage estimate.
Read guide →2026-07-29MB vs MiB: decimal and binary storage explained
Understand why 1 MB is not the same as 1 MiB and why storage sizes can appear different.
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