PNG to PDF Converter

Turn PNG screenshots and graphics into a PDF — for sharing designs, receipts or scans as one file.

This tool runs entirely in your browser. Your data is never uploaded, never stored, and never leaves your device.

Places PNG images — screenshots, exported designs, receipts, diagrams — into a single PDF, one image per page, in an order you set. Each PNG is embedded losslessly rather than re-compressed as a JPEG on the way in, so a screenshot arrives as sharp at the far end as it started.

How to use it

1Drop in your PNGs — you can add more in a second batch, and each new one lands at the bottom of the list.
2Use the ↑ and ↓ buttons on a row to move that image, or Remove to drop it. The rows are buttons, not drag handles.
3Choose Fit to image or A4 portrait, press Create PDF, then download images.pdf.

Example

Input: Two 1000 × 700 screenshots and a 400 × 400 logo, page size A4 portrait
Output: images.pdf — 3 pages, 111 KB, each image centred on its own sheet

Page size is the decision worth thinking about. Fit to image makes each page exactly as many PDF points as the image has pixels, so a 1000-pixel-wide screenshot becomes a page about 14 inches across: fine on screen, awkward at a print shop. A4 portrait gives a 595 × 842 point page with a 40 point margin and centres the image, shrinking it to fit but never enlarging it, so a small logo stays small in the middle of a sheet. Neither setting resamples anything — the full-resolution image goes in either way, so choosing A4 will not shrink the file. Transparent areas do survive, stored as a soft mask, but a PDF page has no colour of its own, so viewers and printers show white behind them. A HEIC photo from an iPhone raises a warning telling you to run it through the HEIC to JPG tool first, because most browsers cannot decode one; other formats your browser can decode go in happily alongside the PNGs.

What happens to your data

pdf-lib assembles the document inside this tab and the images are read from disk straight into memory, so nothing is uploaded — which matters, because the PNGs that come here are screenshots of dashboards, statements and signed forms. The finished PDF exists only as a temporary link in the page and dies with the tab.

Last updated August 2026

A folder of screenshots is not a document. When you have to send proof of a payment, the four screens of a form you filled in, or a support thread someone has asked you to evidence, the person at the other end wants one file with the pages in order — not nine attachments they open one at a time and reassemble themselves.

Converting PNG to PDF here means one image per page, in the order you set, saved as a single file called images.pdf. What it does not do is worth knowing first: it never puts two images on a sheet, never turns a wide screenshot sideways to fill the page, and never throws pixels away to save space — every image goes in at the resolution it arrived with. That last part is deliberate, but it does mean the PDF weighs roughly what the images did, and a stack of large PNGs makes a large PDF.\n\nThe request arrives under several names \u2014 convert PNG to PDF, PNG to PDF free, image to document \u2014 and they are one job: take pictures and produce a single file that opens, prints and attaches the same way everywhere. It is free with no account and no watermark, because your browser does the work rather than a server.

How it works

Toolvore assembles the file with pdf-lib inside the page itself. A PNG is not carried into the PDF as a PNG: pdf-lib decodes it to raw pixels, re-compresses them with Flate — the same lossless method PNG uses internally — and stores any transparency separately, as a greyscale soft mask beside the colour. Nothing is resampled, so the size of the result is decided by the pixels rather than by the file you started with: three encodings of the same 1600 × 900 photograph, weighing 1.93 MB, 2.37 MB and 2.58 MB, all produced the same 2.44 MB PDF. That cuts both ways. Twenty 1512 × 982 screenshots totalling 6.36 MB came out as a 4.95 MB, twenty-page file, while that tightly packed photographic PNG grew by about a quarter, because PNG's own per-row filters handle a photograph better than plain deflate does. The pages hold images and nothing else, which is why no fonts are written into the finished file at all — you can read the words on the page, but a viewer's search will never find them.

Common use cases

Sending a run of screenshots — a support thread, a booking, an error message — as one document instead of nine attachments
Turning exported designs, mockups or diagrams into a single PDF to circulate for comment
Putting screenshots of a statement, invoice or receipt into one file for an expense claim
Assembling pages that were scanned or exported as PNG into a document in a fixed order
Meeting a form or portal that accepts a PDF and refuses loose image files

Frequently asked questions

How do I turn a set of screenshots into a PDF?＋

Drop them in together, or add them in batches — each new one joins the bottom of the list. Every row shows a thumbnail and the filename; the up and down arrows move a page, Remove drops one. The button counts the pages before you press it ("Create PDF (20 pages)"), so you can check nothing is missing, and the result saves as images.pdf. Reorder anything after building and the Download button disappears until you press Create PDF again, so you can never save a file that no longer matches what is on screen.

Fit to image or A4 portrait — which should I choose?＋

Fit to image if the PDF will be read on a screen, A4 if it will be printed, and the gap between them is wider than it sounds. Fit to image makes the page as many points as the image has pixels, so a 1512 × 982 screenshot becomes a page 53 cm across. A4 portrait keeps a standard 595 × 842-point sheet and centres the image inside a 40-point margin, which places that same screenshot at 18.2 × 11.8 cm — about a third of the sheet, with roughly 9 cm of white above and below, because a wide image is never rotated to landscape to fill the space. An image small enough to sit inside the margins is centred at its own size rather than blown up. Those two are the only options: there is no landscape A4 and no US Letter.

Will the PDF be bigger than the PNGs?＋

It lands close to them, and it can go either way, because the size is set by the pixels rather than by how tightly your PNG was packed. Twenty screenshots totalling 6.36 MB made a 4.95 MB, twenty-page PDF; a photograph that was 1.93 MB as a PNG came out at 2.44 MB, about a quarter larger. Nothing is downscaled to keep the number down, and the page size makes no difference — the same twenty images came to 5,193,364 bytes on A4 against 5,192,650 fitted, 714 bytes apart, because the geometry changes and the pictures do not. When the file is built the tool offers to hand it straight to the PDF compressor inside the same tab, which is the thing that actually makes it smaller.

Can I search or copy the text once it is a PDF?＋

No. Every page is a picture of text rather than text — the pages carry images and nothing else, and no fonts are written into the document at all — so a viewer's find command turns up nothing and no line can be selected. That is inherent: the words were pixels before they arrived. If you need them as characters, the image OCR tool reads them out of the PNG, also in your browser, but what you get back is text to copy, not a text layer welded into the PDF.

Can I mix a JPG or a WebP in with my PNGs?＋

Yes, in the same document. A JPG keeps its own compressed data untouched — a 326.7 KB photo added 947 bytes to the PDF and nothing else — a PNG is re-compressed losslessly, and anything else your browser can decode, a WebP or a GIF, is redrawn and stored as a JPEG, because PDF cannot carry those formats natively. One consequence of that redraw: transparency survives from a PNG but not from a WebP or GIF, which are flattened onto white on the way through. HEIC is the exception the tool refuses outright: it says so and points you at the HEIC to JPG converter, since most browsers cannot decode one. Note that it leaves that file in the list rather than removing it, and one file the browser cannot decode fails the whole build — "Could not create the PDF: The source image could not be decoded." — instead of skipping a page. Press Remove on the row and build again.

Is this PNG to PDF converter free, and is anything uploaded?＋

Free, with no signup, no watermark and no cap on how many images you add — and nothing is uploaded. The document is assembled by pdf-lib in the tab you are looking at: building twenty pages made one network request, for the pdf-lib code itself, and none carrying an image. There is no server to meter it and no copy of your screenshots anywhere but your own machine, which matters given how often what people convert here is a statement or a signed form. It is your device doing the work, so a large batch will hold the tab still while it runs: twenty 1512 × 982 screenshots took about 2.6 seconds on a ten-core Mac, with the button reading "Creating..." and refusing clicks throughout.

Can I combine PNG to PDF as one document?＋

Yes \u2014 that is the default. Going from PNG to PDF one image at a time is the exception here rather than the rule: several PNGs become a single PDF with one image per page in the order listed, which is what merge PNG to PDF usually means: one file to send rather than eight attachments. Check the order before converting, because screenshots are usually named by timestamp and a set captured out of sequence will stay out of sequence.

Is it really free to convert PNG to PDF here?＋

Yes. To convert PNG to PDF free of any catch is rarer than it sounds — free elsewhere often means three files a day, or a watermark on the fourth. There is no account, no page limit, no watermark and no paid tier, because there is no server bill to cover \u2014 the conversion runs in your browser, so the only resource being used is your own machine.