π Image to PDF
Combine JPG and PNG images into one PDF, in your order.
How to Make a PDF from Images
Add your images, arrange them in order with the arrow controls, pick a page size, and create the PDF. Each image becomes a full page. Everything is assembled locally in your browser, so even sensitive documents stay private.
Select one or many JPG/PNG images. They appear as numbered thumbnails.
Reorder with the up/down arrows, remove mistakes with the X button.
Choose page size: Fit to image, A4, or US Letter, plus orientation and margins.
Click Create PDF and download your merged document.
Choosing Page Size and Margins
Fit to image creates pages exactly matching each photo dimensions, which is perfect for photo archives and portfolios where you never want scaling. A4 (210 by 297 mm) is the international document standard and US Letter (8.5 by 11 in) is the American one: choose whichever your recipient expects. On fixed page sizes the image scales proportionally to fit inside the margins, so nothing is cropped or stretched; the margin setting adds white breathing room, with 36 points (half an inch) a comfortable default for printing. Orientation auto follows each image, or force portrait or landscape for a uniform document. Because JPGs embed without re-encoding and PNGs embed losslessly, the PDF preserves your originals faithfully while staying compact.
Common Uses
Scanning apps often save pages as separate JPGs: merge them here into a single document for emailing or archiving. Real estate agents combine property photos into one shareable PDF; freelancers turn photographed receipts into expense reports; students merge whiteboard photos into study guides. Since assembly is local, this workflow suits confidential material like contracts and ID scans that you would never upload to a random website. The resulting PDF opens in every reader, prints cleanly, and carries no watermark. You can also mix orientations in one document, since each page is sized independently from its own image.
Frequently Asked Questions
How do I combine multiple images into one PDF?
Add your images with the file picker (you can select many at once), then reorder pages with the up and down arrows on each thumbnail. Choose page size and orientation, set margins if you want white borders, and click Create PDF. Each image becomes one page in the order shown.
Which image formats can go into the PDF?
JPG and PNG. JPGs are embedded directly without re-encoding, so quality and file size stay as-is. PNGs with transparency get a white background because PDF pages are opaque. Other formats like WebP are converted to PNG first in your browser so they embed cleanly.
What page size should I choose?
Fit to image keeps each page exactly the image dimensions, which is best for archiving photos. A4 and Letter are standard document sizes: the image scales to fit with your chosen margins, ideal for printing or sharing formal documents. Landscape or portrait orientation applies to the fixed sizes.
Will my images lose quality in the PDF?
No. Images are embedded at their original resolution without recompression. Fit-to-image pages preserve exact pixels. When scaling to A4 or Letter, the image is drawn at the highest resolution the page allows, so prints stay sharp. Nothing is ever upscaled beyond its native pixels.
Can I reorder or remove pages?
Yes. Every thumbnail has up/down arrows to move it and a remove button to drop it. The page numbers update live so you always see the final order before generating. You can also add more images later; they append to the end.
Are my images uploaded to a server?
No. The PDF is assembled entirely in your browser using the pdf-lib library loaded from a CDN. Your photos never leave your device, making this safe for contracts, IDs, and personal documents. Only the pdf-lib code loads from a CDN.