Getting a PDF or image under a specific KB or MB limit for upload forms, exam portals and email attachments.
There is a real point where compression stops being free and starts costing visible quality. Here is roughly where that line sits, and how to find it for your own photo.
You compressed a PDF, checked it looked fine on your monitor, and then it came out soft when printed. Here is why screen and print disagree, and how to compress with both in mind.
10 MB is a generous, common limit that most documents reach without much effort. Here is the quick route, and what to do with the rare file that still will not fit.
Most size guides assume your file is too big. Occasionally the opposite is true — a form rejects a photo for being under its minimum, not over its maximum. Here is how to fix that.
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.
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.
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.
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.
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.