If you've ever tried to send someone eight photos of receipts, you know the problem: eight separate attachments, in whatever order the phone felt like, and the person on the other end scrolling through them one by one. The fix is to combine those images into a single PDF — one file, in the order you choose, that opens the same on every device. You can do it here for free, and because the whole thing happens in your browser, even sensitive scans like an ID or a medical form stay on your machine.
How to convert images to PDF in your browser
The Images to PDF tool is built to be quick. There's no menu-diving and no account gate — you add pictures, arrange them, and export.
- Open the tool. Head to Images to PDF. Nothing installs and nothing loads from a server after the page is up.
- Add your images. Drag in your JPGs and PNGs, or tap to pick them from your phone's camera roll. You can select a whole batch at once.
- Reorder the pages. Drag the thumbnails until they're in the sequence you want — front of the ID before the back, receipts oldest to newest, and so on.
- Build the PDF. Each image becomes one page. The tool assembles them with pdf-lib right there in the tab.
- Download. Save the finished multi-page PDF and attach it, print it, or file it away. Done.
That's the entire flow. If you later need to pull the images back out, the reverse trip lives at PDF to JPG/PNG.
When to combine images into a PDF (and when not to)
A pile of loose images and a single PDF are good at different things. If you're posting one photo to social media or dropping a logo into a slide, keep it as an image — a PDF just adds a wrapper nobody wants. But the moment you have several related pictures that belong together, a PDF earns its place. It travels as one attachment, opens in the right order, prints cleanly, and doesn't get shuffled around by email clients or messaging apps.
| Scenario | Loose images problem | One PDF benefit |
|---|---|---|
| Receipts for an expense report | A dozen attachments, no clear order, easy to lose one | One file, sorted by date, that finance can tick off in a single pass |
| Front and back of an ID or passport | Two images that can arrive out of order or separated | Both sides stapled together in the right sequence |
| Handwritten notes or a whiteboard | Pages scattered across the camera roll | A tidy document you can submit or archive as one unit |
| Contract or lease photos | Hard to tell which page is which | Paginated in reading order, ready to sign or forward |
| Several product photos for a listing | Multiple large files that clog an email | One neat attachment the buyer opens once |
JPG vs PNG, and how each is handled. You can mix them freely — a JPG receipt, a PNG scan and a phone snapshot can all land in the same PDF. JPGs are the usual output of phone cameras and stay compact, which keeps the PDF small. PNGs are lossless and great for text, screenshots and anything with sharp edges, though they're heavier. The tool keeps each image at its native quality rather than re-squashing it, so what you put in is what you get out.
Page size and orientation. Every page is sized to match its image, so a tall portrait photo makes a portrait page and a wide screenshot makes a landscape one. There's no forced A4 box cropping your picture or padding it with white margins — the page just fits the shot.
Got a stack of photos to combine?
Drop your JPGs and PNGs into our free browser tool, drag them into order, and download one clean PDF — no install, no sign-up, no watermark, and nothing ever leaves your device.
Open Images to PDF →Works on Windows, Mac, iPhone and Android
Because the tool is just a web page, the platform underneath doesn't matter. On Windows or a Mac, drag a folder of images straight from Explorer or Finder into the browser. On an iPhone or Android phone, tap to pick from your camera roll — which is where most of these photos start anyway, whether it's a receipt snapped at lunch or a document you photographed instead of scanning. The same page, the same PDF, whichever device you're holding. Once it has loaded it even works offline, so you can assemble a PDF on a plane or on patchy hotel wifi.
Privacy: your photos never leave your device
This is the part that matters when the images are personal. Plenty of "images to PDF" sites work by uploading your files to a server, converting them there, and handing back a download — which means your receipts, your ID, your medical forms all took a trip to someone else's computer. Ours doesn't do that. The Images to PDF tool runs entirely in your browser — your files never leave your device. pdf-lib builds the document using your phone or laptop's own processor, and the finished PDF is created locally.
Nothing is uploaded, nothing is stored on a server, and there's no account tying the file to your name. That's not a setting you have to switch on; it's simply how the tool is built. It also explains why there's no per-file size limit beyond your own device's memory — there's no server bandwidth to ration. For anything with a name, an address or a number on it, keeping the whole job on your machine is the safest way to do it.
Handy things you can do next
Once your images are a PDF, the rest of the toolkit is right there. If you photographed a receipt and want the text to be searchable or copy-pasteable, run it through Scan to OCR to get a searchable PDF. Building a bigger packet from several PDFs? Merge PDF staples them together. And if the finished file is too chunky to email — most inboxes choke around a 25 MB attachment — Compress PDF trims it down without a visible quality hit. Everything in that chain runs the same way: in your browser, no upload.