CalculaIT / tools

JPG to PDF

Turn JPG or PNG photos and scans into a PDF.

Your files never leave your computer: everything runs in your browser.

JPG to PDF

Your files never leave your computer: everything runs in your browser.

Quick answer · example

How do I turn JPG photos into a single PDF?

Drag the photos in, put them in order with the arrows and press Create PDF. Each image fills a centred A4 page, or a page of its own size if you prefer. Photos are not uploaded to any server.

Calculation assumptions

Turns JPG, PNG and other image formats into a PDF, one image per page, on A4 or at original size. Photos are not uploaded.

View the worked example ↓

Formula and assumptions

Local processing with pdf-lib (MIT licence) · no file upload · the limit is your device memory

Turns JPG, PNG and other image formats into a PDF, one image per page, on A4 or at original size. Photos are not uploaded.

How to use this calculator

Turn phone photos, screenshots or image scans into a PDF that is easy to send or print. It accepts JPG and PNG, plus other formats your browser can open, such as WebP. Phone photos are placed upright even if the phone was turned when taking them.

Worked example

  1. Drag the images in; you can add more in several batches.
  2. Order them with the arrows and choose A4 or original size.
  3. Press Create PDF and download the document.

Interpreting the result

On A4 each image fits the page with a small margin, portrait or landscape to match the photo: the easiest option for printing. With «Same as each image» there are no margins and each page takes the size of its photo, handy for viewing on screen. JPG photos are saved at high quality and PNG images without loss.

Frequently asked questions

Why is the PDF so large?

Phone photos have many megapixels. If you need a lighter file, resize the photos first or use screenshots instead of photos.

Can I use HEIC photos from an iPhone?

Only if your browser can open them, as Safari does. In other browsers, share the photo from the iPhone as JPG first.

Are my photos uploaded anywhere?

No. Images are processed in your browser and the PDF is created on your device.

References and method

References and method