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Getting a PDF under 5 MB
5 MB covers most email attachments and portals with a larger limit. Big scans, photo reports and slide decks saved as PDF are the files that usually need it.
At this size most files keep high-resolution images. Very large ones, like dozens of scanned pages or print-resolution artwork, may still need the stronger settings.
Tips
- Uploads can be up to 50 MB. Split anything larger before you start.
- Big files take longer, since each setting is a full pass over the document. A large scan can take a minute or two.
- Keep your original. The compressed copy is for sending, not for printing or editing.
Questions
Can a 50 MB scan get under 5 MB?
Uploads go up to 50 MB, and reaching 5 MB from there means dropping nine tenths of the bytes. A scan stored at 600 dpi has room to give: the first step's 300 dpi keeps a quarter of its pixels. If even the last step cannot fit, you get the smallest result and a note.
Is 5 MB enough for a slide deck saved as PDF?
Slides built from text, shapes and charts are kept as vectors and cost little. Full-bleed photos are what fill a deck, and those are resampled like any other image. Forty slides sharing 5,000,000 bytes leaves about 125,000 bytes per slide for those photos.
Will a 5 MB PDF go through as an email attachment with a 5 MB limit?
Maybe not. Email encodes attachments in a way that makes them about a third larger, so a file of 5,000,000 bytes travels as roughly 6.7 MB. If your mail service caps the whole message at 5 MB, compress to a lower target such as 2 MB instead.