Category
In-depth guides to the tools — what each one is doing, when to reach for it, and the details that catch people out.
Large images are scaled to fit the canvas, so edge pixels are blends of their neighbours. Why a photograph has no single colour, how JPEG compression shifts values, and when hex or RGB is the better form.
Read moreMechanics, grammar and style are three different jobs. Where false positives cluster, what slips past every checker, and how to take the corrections without losing your voice.
Read moreThis one uses UTF-16 code units and gets two groups; the Binary Translator uses UTF-8 bytes and gets four — both correct, just different encodings of the identical character. Why every group is padded to a fixed width, and why this only converts in one direction.
Read moreA twenty-minute video is comfortable at one frame a second and impossible at every frame, because time and memory scale with frames captured rather than minutes of footage. Why Firefox can occasionally repeat or skip a frame, and why JPEG beats PNG here almost every time.
Read moreThese are Unicode code points that resemble styled letters, not a typeface. Why a styled bio is unusable with assistive technology, why the text is unsearchable, and where the styles run out of characters.
Read moreThe reader is someone in accounts who has never heard of the project. What the document has to carry, line items that avoid a query, and stating the currency and the tax rather than assuming them.
Read moreThe ratio measures light rather than colour, which is why distinct-looking colours fail. Which threshold applies where, why focus rings and placeholders are the usual culprits, and how to fix a failure without redesigning.
Read moreMatching a file's digest against a published one confirms it was not altered — it says nothing about who made it. Why this is the wrong tool for storing a password, and why the same input always produces the same digest, for better and for worse.
Read moreFour tags earn their place in the head and most of the rest are decoration. Which are which, what Open Graph is for, and why two of everything is the commonest fault.
Read moreRenaming an extension does not change a format, and a lossless format preserves artefacts rather than removing them. Which format to choose, why AVIF sometimes refuses, and why to resize before converting.
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