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PulsarKit

HEIC to PDF

Turn the HEIC photos your iPhone takes into one PDF, with every shot the right way up and nothing sent to a server.

Drop your files here

.heic, .heif · up to 100 MB

How to Convert to PDF

  1. 1

    Drop your HEIC photos

    Add one photo or a hundred straight from your iPhone or from a folder you copied off it. Both .heic and .heif files are read here.

  2. 2

    Set page size and order

    Keep each page the size of the photo, or fit every shot to A4 or Letter. Drag the thumbnails to put the photos in the order you want.

  3. 3

    Download the PDF

    Press convert. Each photo is decoded and placed on its own page, and the finished document is saved straight to your device.

Why iPhone photos need converting at all

HEIC is what an iPhone has saved by default since iOS 11, and it is a good format: roughly half the size of a JPEG at the same quality. The problem starts the moment a photo leaves the phone. Windows shows a grey placeholder without an extra codec, plenty of web forms reject the extension outright, and printers and document portals have never heard of it. A PDF sidesteps all of that: every device opens one, a set of photos travels as a single attachment, and the pages print in the order you arranged them.

Rotation, quality and file size

Two things decide whether the result looks right. The first is rotation: a phone writes the sensor image as it was captured and records the turn separately, so a naive converter lays portrait shots on their side. Here the container is read for the rotation the decoder has already applied and the EXIF tag on top of it, so the photo is never turned twice. The second is the quality slider. Photos are re-encoded as JPEG at 90 by default, which is visually indistinguishable from the original on screen and in print; drop it to 70 for a lighter document to email.

Your photos stay on your device

The decoder runs inside this browser tab, and so does the code that writes the PDF. No photo is uploaded, queued on a server or copied anywhere for later deletion, because there is no server involved at any point. Close the tab and both the originals and the finished document are gone from memory.

Frequently asked questions

Why does my iPhone shoot in HEIC instead of JPEG?

Because HEIC stores the same picture in about half the space, which is why Apple made it the default in iOS 11. It also carries depth maps, live frames and wide colour. You can switch the camera back to JPEG under Settings, Camera, Formats, Most Compatible.

Why can't Windows open a HEIC file?

Because Windows ships without the HEVC codec that HEIC images are built on, and Microsoft sells it separately in the Store. That is the single most common reason people convert these files at all: the photo is fine, the computer cannot read the container.

Does converting to PDF lose image quality?

A little, because the photo is re-encoded as JPEG to go inside the PDF, and JPEG is lossy. At the default quality of 90 the difference is invisible on a screen or in print. Raise the slider towards 100 if the document will be examined closely.

Why are my photos no longer sideways?

Because the rotation recorded by the camera is read and applied once, deliberately. HEIC can hold a rotation in the container and another in the EXIF metadata, and applying both is what leaves portrait shots lying on their side in other converters. Both are checked here before anything is turned.

What happens to a Live Photo?

Only the still frame becomes a page. A Live Photo is a HEIC image plus a separate short video file, and the video is never part of the image container. If a file holds several frames, the main one is used and the rest are left alone.

My file is called .heic but something says it is AVIF?

That happens when an app saves an AVIF image under a HEIC name, usually after a share or download. The container is checked rather than the extension, so the file is decoded by the browser's own AVIF support and still becomes a page in your PDF.

How many photos can I convert at once?

Up to a hundred files, or 500 MB in total. Each photo is decoded on its own and released from memory immediately afterwards, so a long set is limited by patience rather than by RAM. Very large batches are fastest on a desktop browser.

How do I make the finished PDF smaller?

Lower the quality slider before converting, since photographs are what make these documents heavy. If the file is already made, run it through the PDF compressor, which lowers the resolution of the images inside without touching the page layout.

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