How to Convert JPG Images to a PDF File

Quick steps

1. Open the JPG to PDF tool and drag up to 20 JPG or PNG images onto the upload area — or click it to browse your device.
2. Choose a Page orientation: Auto follows the aspect ratio of your first image, or force Portrait or Landscape.
3. Pick an Image placement — Fit, Fill, or Original — then click "Convert to PDF". The conversion runs locally in your browser.
4. Click "Download" on the result card to save the PDF as images.pdf — one image per A4 page, in the order you added the files.

Step-by-step: converting images with CoolPDF

Open the JPG to PDF tool — nothing to install, no account to create. Add images by dragging them onto the upload area, or click it to pick them from a file dialog. You can add files in several batches; each entry shows the file name and size, and a trash icon removes anything added by mistake.

Decide the page order before converting: images become pages in exactly the order you added them, one per page, so add the cover photo or first scan first. There are no reorder handles here — to fix the order, remove the misplaced file and add it again.

Set the two options (covered next), then click "Convert to PDF". Because the conversion runs on your device, the time depends on image sizes, not your internet connection. When the "Your file is ready" card appears, click Download — the file is always named images.pdf, and the originals are never modified.

• Up to 20 JPG or PNG images per conversion
• Up to 100 MB per image on desktop, 50 MB on mobile
• One image per A4 page, in the order the files were added
• Output is always saved as images.pdf

Orientation and placement: getting the pages to look right

Page orientation offers Auto, Portrait, and Landscape. Auto looks at the first image: wider than tall means landscape pages, otherwise portrait. The choice applies to every page, so when mixing portrait scans with wide screenshots, either force an orientation or accept generous margins on some pages.

Image placement controls how each image sits on its A4 page. Fit — the default — scales the image proportionally until it is fully visible, centered with margins; nothing is cropped, which suits receipts and screenshots. Fill covers the whole page and crops what spills over the edges, for a full-bleed photo look. Original draws at natural pixel size (1 pixel = 1 point), centered — high-resolution photos overflow the page, so use it only when you know the dimensions.

Passport scans, receipts, whiteboards: why local conversion matters

The images people turn into PDFs are rarely casual snapshots — passport copies for a visa application, receipts for an expense report, a signed contract captured on a phone. A typical online converter uploads every image to a server, leaving your pictures on infrastructure you do not control.

CoolPDF does the same job without the upload: your browser reads the images, lays them out on A4 pages, and saves the PDF to your own disk. Nothing is transmitted, so the tool is safe for identity documents and NDA material — it even works offline once loaded. Phone photos get extra care: the EXIF orientation tag is applied automatically, so portrait shots never land sideways.

What to do with your new PDF

Converting is often one step in a larger job. If the PDF came out too heavy to email, run it through Compress PDF. To combine it with an existing document, such as scanned pages appended to a contract, use Merge PDF.

If the page order is not right after all, Organize PDF rearranges, rotates, or deletes pages visually instead of reconverting. And for the reverse direction — pulling the pages of a PDF back out as images — PDF to JPG does exactly that.

Other ways

Edge cases

Frequently asked questions

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