Guides
Practical explanations of the problems these tools actually solve — what works, what does not, and what the limits are. Written to be useful on their own, not to lead somewhere else.
Guide · 5 min readWhat "processed in your browser" actually meansA concrete explanation of local file processing: what happens to your bytes, what still leaves your device, and how to tell whether a tool is telling the truth.Guide · 7 min readHow to hit an exact image file sizeWhat happens when you compress an image to a target like 200 KB: which knob to turn first, why WebP wins, and when the honest answer is that the target is impossible.Guide · 6 min readHow to compress a PDF without making it unreadableWhy most PDF compressors damage your document, what structural compression actually saves, and how to get a file under an attachment limit while keeping text selectable.Guide · 5 min readHow to actually get a PDF under an attachment limitA practical order of operations for shrinking a document until it fits, without the sequence of increasingly bad decisions people usually end up making.Guide · 6 min readJPG, WebP or AVIF: which image format to useA practical comparison of the three web image formats — file size, quality, support, and when the older format is still the right answer.
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