How to turn images into a PDF
- Open the PDF editor and open PDF Tools.
- Choose Merge, then add your images (and any existing PDFs) in the order you want them to appear.
- Merge and save. Each image becomes one page of the new PDF.
What actually happens to the images
This isn't your browser's print dialog rendering a page: PDF Tools decodes each image and embeds it as a real page object in a PDF built with the pdf-lib library. Pages that came from an existing PDF are carried across with their original image data, not re-encoded, so merging a PDF into a bigger PDF doesn't lose quality on those pages. New pages built from a photo or screenshot can be re-encoded to control the final file size.
Scans, receipts and multi-page documents
A common use is turning several photos of a paper document, taken one page at a time, into a single PDF to send or file. Add the photos in page order; there's no automatic reordering by filename, so check the order before you merge. If a photo needs straightening or cropping first, do that in Image Studio and merge the result.
Why do it in the browser
Combining scans of an ID, a signed contract or a receipt is exactly the kind of job people reach for a free "images to PDF" website for, which means uploading those images to a server you don't control. PDF Tools does the same job with your images decoded and assembled into a PDF on your own device.
Cost
Merges of up to a few files are free; larger batches of files in one job need Pro. See pricing for the exact limit and current prices.
Common questions
Which image formats can I combine into a PDF?
PNG, JPEG and WebP work directly in PDF Tools’ merge. For other formats, such as GIF or BMP, convert the image in Image Studio first and merge the result.
Can I mix images and existing PDFs in one merge?
Yes. PDF Tools' merge accepts both PDFs and images in any order and combines them into a single PDF, with each image becoming one page.
Does merging re-compress my images?
Images can be re-encoded to control the file size; pages that came from an existing PDF keep their original image quality and are not re-encoded. If you need the highest possible quality, check the merged file before relying on it.
More questions? See the full FAQ or contact us.