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.
Compression & File Size
Getting a PDF or image under a specific KB or MB limit for upload forms, exam portals and email attachments.
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Tips & Tutorials
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.
How to Compress a PDF to 5 MB
5 MB is a comfortable target that fits most everyday documents easily. Here is how to reach it in one pass, and what to do with the rare file that still will not fit.
How to Compress a PDF to 2 MB
A 2 MB limit is common on government and university portals. Here is how to reach it reliably, and what a document at this size can realistically hold.
Compress a PDF on Your Phone Without an App
A large PDF and no laptop nearby is a common problem. Here is how to shrink it from your phone’s browser, no install required.
Reduce the File Size of a Scanned PDF
Scanned documents are the most compressible kind of PDF there is. Here is how to get the smallest usable file from the start, not just after the fact.
What to Do When a PDF Will Not Compress
Some PDFs barely shrink no matter what level you try. Here is why that happens and the fixes that actually move the number.