Turn images into a PDF
Drop in JPGs or PNGs, put them in order, and get one PDF with a page per image. The photos stay on your machine; nothing is uploaded to make the document.
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Nothing here is uploaded. See how the page enforces it.
One page per image, at the image's own size
Each page is created exactly as large as the picture on it, in points, so nothing is cropped, letterboxed or stretched onto an A4 sheet it does not fit. A phone photo makes a tall page; a screenshot makes a wide one.
The images are embedded as they are. A JPEG stays the same JPEG inside the PDF, so there is no second round of compression and no quality lost in the conversion, which is exactly what you want when the images are photographs of documents.
If the PDF comes out very large
A PDF of ten phone photographs is a PDF containing ten phone photographs, so it is as heavy as they are, often twenty or thirty megabytes. Because the images are embedded untouched, this tool cannot make that smaller on its own.
The fix is to shrink the pictures first: run them through the compressor or the resizer at 1600 px or so, then build the PDF from the results. A scanned page does not need more resolution than that to stay perfectly readable, and the document ends up a tenth of the size.
Questions
+ Which formats can I use?
JPG and PNG. Those are the two the PDF format itself can carry natively, which is what makes it possible to embed them without re-encoding. For HEIC photos from an iPhone, convert them to JPG first; there is a tool for that.
+ Can I control the page order?
Yes. Files appear in the order you add them and the arrows on each row move them. The document is rebuilt from scratch whenever you change it.
+ Does it add a watermark?
No. There is no watermark, no footer and no cap on how many images you add.
+ Are my files uploaded anywhere?
No. The PDF is read and rewritten by your own browser. Open devtools, watch the Network tab while you run it, and nothing leaves. The page keeps working with your connection switched off, which is the part worth caring about when the document is a payslip, a contract or a medical letter.
+ Are the photos re-compressed?
No. A JPEG is embedded byte-for-byte as it is, so the pages look exactly like the originals. That is also why the PDF is roughly the sum of the image sizes.