Image export
PDF to Image: Exporting Every Page as JPG or PNG
Need each page of a PDF as a separate image? Two choices decide whether the result looks sharp or blurry: format and resolution. This guide walks through both trade-offs and what to watch for when batch exporting.
Short answer: which to pick
| What you need | Format | Resolution |
|---|---|---|
| Uploading to a form that only accepts images | JPG | 144dpi (High) |
| Screenshots, evidence, sharp text | PNG | 144 or 216dpi |
| Printing or layout work | PNG | 216dpi (Ultra) |
| Many pages, uploading quickly | JPG | 72dpi (Standard) |
Why exported images come out blurry
The most common cause is picking too low a resolution. A PDF page has no notion of pixels — it stores physical dimensions in points. Converting a page to an image therefore requires a render scale: 1× is roughly screen resolution (72dpi), 2× is high definition (144dpi), and 3× approaches print quality (216dpi). Render at 1× and print it, and small text will smear.
The second cause is double compression. Many online tools convert to JPG internally to keep the download small, so what you receive is already lossy. Local processing avoids this — UniPagePDF renders straight into the format you choose, with no intermediate re-encode.
PNG vs JPG in practice
PNG is lossless: the same page usually produces a file 2–5× larger than JPG, but text edges stay clean with no compression artifacts. That matters for evidence, screenshots, and anything you may edit later. JPG is lossy: it trades detail for size, which is fine when a system just needs to display the page.
If small text looks slightly soft in JPG output, raise the quality slider (UniPagePDF defaults to 0.92). Above 0.9 the two are usually hard to tell apart by eye, at a fraction of the size.
Only need some pages
There is no need to extract first. The page-range field accepts 1-5 for pages one through five, 1,3,5 for just those three, or nothing at all for every page. Multiple images are packaged into a single ZIP for one-click download.
A side benefit of local processing
Because rendering happens entirely in your browser, the PDF is never uploaded. That matters when you are handling contracts, ID documents, or medical records — no copy is created anywhere. It also explains why local exports usually look sharper than online ones: there is no server-side re-compression in the middle.