DOCSUPRA › Convert PNG to PDF for an Upload That Only · Español
The portal only takes PDF. Your document is a PNG.
The short answer. A PDF is a container; a PNG is an image. Wrapping one in the other is quick, but doing it badly is how people end up with a 20 MB file that gets refused for size, or a page that prints at the wrong dimensions. What matters is the page size, the resolution and whether the image is re-encoded on the way in.
It is the last step before submitting and it should take ten seconds. It usually does not, because the first result comes back too heavy or the wrong shape.
The 5 reasons, in plain words
- PNG is lossless, and that is the problem here. PNG stores every pixel exactly, which is right for a screenshot and wasteful for a photographed page. Wrapped unchanged in a PDF, the weight comes with it.
- A PDF has a page size; a PNG does not. An image is just pixels. A PDF places them on a page. Get the DPI wrong and the same document becomes Letter, A4 or a strip — and some portals check.
- Multi-page matters. Several PNGs usually need to arrive as one PDF in order, not as separate files. Portals that ask for a single document mean it literally.
- Re-encoding is where the size is won. Converting the image to JPEG inside the PDF, at a target size, is what turns 20 MB into under 2 — and for a photographed document it costs nothing visible.
- Screenshots are a separate trap. A screenshot of a document is a photo of a screen: low resolution and often rejected on its own merits, whatever container you put it in.
Which of them can software fix?
All of it, in one step. You choose the page size and the resolution, the image is re-encoded to the exact weight you need on the way in, and several images can go in as one ordered document. It runs in this browser — the file is never uploaded anywhere to be converted.
Related
Doing this for clients, not for yourself? DOCSUPRA for teams adds the batch queue, one combined PDF per matter and a dated compliance report — still with nothing uploaded.
What it costs
See the finished file first — sharp on screen, 100% with the lens, no card and no account.
Prices are in USD and exclude any tax that applies in your country; Stripe calculates it and shows it before you pay.
See the full comparison →