Files & Formats
Opening a ZIP Is Not the Same as Extracting Its Files
Treat a ZIP as a package: choose an extraction destination, open the working copy there, and keep the archive separate from the files you edit.
Everyday technology, a little clearer
Files & Formats
Understand file choices through the work you want to do.
Files & Formats
A Screenshot and a Text Copy Preserve Different Things
Choose between a screenshot and copied text by considering layout, exact wording, searchability, and the context needed by the person receiving it.
Files & Formats
Lossless Compression Does Not Mean Every File Gets Tiny
Learn what lossless compression preserves and why the resulting size depends on the data and method rather than a universal reduction percentage.
Files & Formats
The Server Gives a File a Type as Well as a Name
Meet the Content-Type header and MIME type, then see why the name at the end of a web address is only one part of understanding a downloaded resource.
Files & Formats
Downloaded Does Not Mean Opened, Installed or Checked
Identify the state and location of a downloaded file before opening or installing it, and keep download history separate from the file itself.
Files & Formats
Why an SVG Logo Can Stay Sharp When You Enlarge It
Compare vector descriptions with pixel images to understand why an SVG logo can scale cleanly, while recognising that a screenshot does not become vector artwork.
Files & Formats
Export an Image Again from the Source, Not from the Last Small Copy
Keep an editable source for image exports and compare fresh output at its intended size instead of repeatedly recompressing an already reduced copy.
Files & Formats
Good Alt Text Depends on What the Image Does Here
Write image alternatives around the information or function needed in the page context, rather than describing every visible detail mechanically.