Convert Images to PDF Online

Why a PDF, when you already have an image

A PDF is not a better picture; it is a better envelope. An image is a grid of pixels and nothing else — no page, no order, no guarantee about how it prints. A PDF wraps those pixels in a document structure that every operating system, phone, email client and print shop agrees how to open, and that keeps a sequence of pages in the order you chose. That is why forms, portals and offices ask for one.

The cases are consistent. A landlord wants proof of payment and you have four photos of receipts: four attachments look careless, one four-page PDF looks like a document. A university portal accepts "scanned certificates (PDF only)" and your scanner produced JPGs. A visa application wants supporting photographs bound together. A client wants the approved designs in a single file they can flip through rather than a zip they have to unpack.

What a PDF does not do is make the picture smaller. If size is your actual problem, compress the images first with the image compressor and convert afterwards — or compress the finished document with the PDF compressor. Converting alone will always add a little, because the pictures go in whole.

What this converter actually does to your pixels

For a JPG or a PNG: nothing. Those are precisely the two formats a PDF can carry natively, so the file is embedded byte-for-byte and the page is built around it. There is no decode, no re-encode and no quality loss whatsoever — the image inside the PDF is bit-identical to the one you uploaded, and a reader extracting it back out gets your original file.

For a WebP, an AVIF or an iPhone HEIC, a PDF has no way to store the codec, so the image is converted once — to PNG when it carries transparency, to JPEG otherwise — and that single conversion is the only place any quality is spent. It uses the same quality preset the rest of the converter uses, so the setting on this page means exactly what it means everywhere else on the site. If you would rather control that step yourself, convert to JPG first via the HEIC converter and then run the result through here.

Each page is made the same size as its image at one pixel to one point, with no margins and no scaling: the page IS the picture. A tall phone photo produces a tall page and a wide screenshot a wide one, which is what you want for a document that is nothing but images — enforced letter-sized pages would letterbox half of them with white bands.

Several images, one document

Select more than one file and you get a single multi-page PDF rather than a folder of one-page ones. Page order is upload order, so the simplest way to control the sequence is to name the files so they sort the way you want before you pick them — 1.jpg, 2.jpg, 3.jpg — or add them in the order you want them read.

Mixed formats in one selection are fine: a JPG from a camera, a PNG screenshot and a HEIC from a phone become pages one, two and three of the same document, each handled by the rule above. Up to twenty images per job, and the whole batch is processed as one piece of work, so what you download is one file with one name.

Privacy, and what happens to the metadata

Camera images carry EXIF metadata, and EXIF frequently carries GPS coordinates — the street you took the photo on, embedded in the file. This converter does not copy image metadata into the document, and the PDF it writes names only the tool that produced it: no title harvested from a filename, no author, no camera model, no location.

The rest matches the site: transfer is encrypted, files delete themselves within 24 hours, nothing is watermarked, and there is no account to create. If you want the EXIF preserved in your own copies, keep the originals — the conversion never modifies the files you uploaded, and if you also need help choosing formats for the web, the format guide covers that decision in full.