HEIC → PDF

Turn iPhone HEIC photos into a PDF that opens anywhere, one photo per page.

How to convert HEIC to PDF

Add one or more HEIC or HEIF photos.
Tick the images to include and put them in order with the arrows.
Rotate any image that is on its side.
Choose Match each image or Fit inside A4, and an orientation and margin for A4.
Press Create PDF and download the PDF.

Options

Order and selection: Tick an image to include it and use the up and down arrows to move it. Untick it to leave it out without closing the file.
Rotate: Turns one image 90° clockwise per click. The row shows the total turn before you create the PDF.
Page size: Match each image makes every page the size of its image, one pixel to one point, with no margin. Fit inside A4 puts every image on a 595 × 842 pt page: large images shrink to fit, smaller ones stay at their own size and are centred. Images are never cropped or enlarged.
Orientation: Shown with Fit inside A4. Portrait or Landscape applies to every page in the PDF.
Margin: Shown with Fit inside A4. None is 0 pt, Narrow is 18 pt (a quarter inch) and Standard is 36 pt (half an inch) on every side.
Output PDF name: Up to 120 characters, without slashes or control characters. The .pdf extension is added. Left blank, one image keeps its own name and several become images.pdf.

What you get

One PDF with one page per ticked photo, in the order shown.
Each photo is decoded in your browser and saved into the PDF as a JPEG at quality 90. Fine detail can change slightly.
Transparent areas become white, because JPEG has no transparency.
Camera and location metadata from the HEIC file are not carried into the PDF.

Limits

This page takes .heic and .heif files only. Photos your iPhone already shared as JPEG belong in JPG to PDF.
A HEIC file holding more than one image, such as a sequence, is refused before you start rather than reduced to one picture.
An image larger than 16 megapixels on a computer or Android device, or 4 megapixels on iPhone, iPad and devices with 2 GB of memory or less, is scaled down to that size with its proportions kept. The review lists each image that will be scaled, and to what, before you press the button.
Images above 64 megapixels on a computer or Android device, or 25 megapixels on iPhone, iPad and devices with 2 GB of memory or less, are refused before you start, and the disabled button names the file.
Scaling does not change the page size. With Match each image the page is still sized from the original pixel dimensions; only the embedded image has fewer pixels.
A 24-megapixel iPhone photo, the default on iPhone 15 and later, converts everywhere. On iPhone and iPad it is scaled to 4 megapixels, about a sixth of its pixels: fine for reading and sharing, but convert on a computer for more detail. A 48-megapixel photo is refused on iPhone and iPad; convert it on a computer, or set the camera to 24 or 12 megapixels.
The decoder downloads the first time you convert a HEIC file. Some very small HEIC images from Apple encoders are refused by it.
There is no page preview for HEIC. Browsers other than Safari may show a format tile instead of a thumbnail.

Check the result

Deckle checks that the PDF opens, has one page per photo and that each page has the planned size. Compare the pages with the original photos for rotation and colour, and press Rotate before converting if one is on its side.

Questions

What is a HEIC file?

HEIC is the format iPhones and iPads save photos in when the camera is set to High Efficiency. Many Windows apps and document portals do not accept it, which is why people convert it to PDF or JPG.

Can I convert HEIC to PDF on Windows?

Yes. The HEIC decoder runs inside the browser, so Windows does not need the HEIF extension installed.

Does converting HEIC lose quality?

Slightly. Each photo is re-encoded as a high-quality JPEG, because PDF cannot hold HEIC data. Text and edges stay clear at normal zoom.

Why are my photos scaled down on my iPhone?

Phones and tablets get a 4-megapixel limit per page to keep the browser tab from running out of memory, so larger photos are scaled to fit it. Convert on a computer, where photos are kept up to 16 megapixels. Photos above 25 megapixels, such as 48-megapixel shots, are refused on iPhone and iPad.

Are my photos uploaded to convert them?

No. Decoding and PDF creation both run in your browser, and the photos stay on your device.

Why was my HEIC file refused?

It holds several images, is over 64 megapixels (25 megapixels on iPhone and iPad), or the decoder could not read it. The message names the file and the reason.

Can I put several photos on one A4 page?

No. Every photo gets its own page. Choose Fit inside A4 to give all pages the same size.