Fix a Photo That Displays Sideways or Upside Down
A photo that looks correctly oriented on your phone but turns sideways somewhere else is one of the more confusing everyday image problems. Here is what is actually happening.
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Convert a Photo to Black and White to Save File Size
Removing colour is not just an aesthetic choice — for the right kind of image, it can meaningfully shrink the file too. Here is when it genuinely helps and when it does not.
Batch Resize Photos to the Same Dimensions
A gallery or catalogue where every photo is a slightly different size looks unfinished. Here is how to resize a whole set consistently without doing it one photo at a time.
Resize a Product Photo for an Online Store
Marketplaces and store platforms each want product photos in their own dimensions and file size range. Here is a repeatable way to hit any of them cleanly.
Reduce the Size of a PDF With Embedded Fonts
A text-only PDF that is still unexpectedly large often has embedded fonts to blame. Here is when that matters and how to trim the excess.
Compress an eBook or Manual PDF Without Ruining Diagrams
Technical diagrams and line drawings need a different compression approach than photos. Here is how to shrink a manual or eBook without turning its diagrams to mush.
Compress a Resume or CV PDF for Online Applications
Job portals often set surprisingly strict size limits on a resume upload. Here is how to get yours small and clean, and why some CVs are much bigger than they should be.
Compress a PDF Portfolio or Brochure With Lots of Photos
A photo-heavy portfolio or brochure is the hardest kind of PDF to shrink to a small size. Here is how to get the best realistic result without wrecking the visuals.
Why Recompressing a JPEG Doesn’t Help
Running an already-compressed photo through a compressor again feels like it should shrink it further. Here is why that mostly does not work, and what to do instead.