Turn images into a single PDF
What this tool does
Add images and they are assembled into one PDF file inside your browser tab, in the order you arrange them. Scanned documents and photos never leave your device.
This browser cannot build a PDF locally. It needs Web Workers with
OffscreenCanvas support, and we will not fall back to building it on the
main thread because that would freeze the page. Please try a current version of
Chrome, Edge, Firefox or Safari.
Use the arrows to reorder — the list order becomes the page order.
- Pages
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- Page size
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- File size
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How this works
The PDF is assembled inside a Web Worker in this browser tab: each image is fitted to its page and written into a single document, which your browser then saves. A scanned stack of paperwork never leaves your device.
- Page size is A4, US Letter, or each page sized to its own image so nothing is padded or cropped unexpectedly.
- Landscape images get a landscape page automatically, so a photo is never shrunk to fit the short side of a portrait sheet.
- Drag in more images at any time — the list order is the page order, and it can be rearranged before you build.
- JPEG and PNG are written into the PDF as they are. Other formats are converted first, because PDF does not store WebP or HEIC.
- Nothing is stored: reloading the page discards everything.
Frequently asked questions
What page size will the PDF use?
A4 by default, or US Letter, or each page sized to its own image so nothing is padded or cropped unexpectedly. A landscape photo gets a landscape page, so it is not shrunk to fit the short side of an upright sheet.
Can I choose the order of the pages?
Yes — images are listed in the order you add them, and the list can be rearranged before the PDF is built.
Is there a limit on how many images I can add?
The practical limit is your device's memory, because the whole PDF is assembled in the browser tab. Very large batches are processed in order so the page stays responsive.