Image Processing Practical Guides
Step-by-step answers to everyday questions: compress to a target KB, pick the right format, match marketplace image sizes, get ID photos right and handle image SEO.
What are TIFF and AVIF, and when should you convert to JPG
TIFF is the standard for print and scanning; AVIF is a new high-compression format—both often fail to open in browsers and chat apps. This article covers when to use each and how to avoid quality/color drift when converting to JPG.
Format conversionVideo to GIF: how to set frame rate, size and file weight
The most common video-to-GIF failure is a tens-of-MB file you can't send. This article uses concrete numbers to show how frame rate, width and duration combine to set GIF size, with different presets for chat emojis vs tutorial clips.
Format conversionSplitting and extracting PDFs: break a long file into single pages
You only need a few pages of a long PDF, or want each scanned page as its own file. This article explains page split vs extract, how to merge back, and scan-splitting caveats.
Format conversionHow to convert JPG to PDF: merging, order, size and print layout
When merging ID cards, contracts, invoices or homework into PDF, the usual problems are wrong order, oversized files and print cropping. This article covers order control, page-size choice and size compression.
Format conversioniPhone HEIC photos won't open or upload? The right way to convert to JPG
iPhones shoot HEIC by default—Windows can't open it, application systems reject it, and WeChat often mangles originals. This article explains what HEIC is, why convert to JPG, and how to keep quality during conversion.
Format conversionHow to make a favicon: multi-size ICO, PNG and mobile icon specs
Which sizes belong in favicon.ico, why you should also ship an SVG and a 180×180 touch icon, and why the tab icon sometimes shows as a blank block—all explained here.
Format conversionJPG vs PNG vs WebP: a table that explains image format differences
The same image can be 5× smaller as JPG, PNG or WebP. This article explains how each format compresses, transparency support and browser compatibility, with a recommendation on which to pick.