HEIC to PDF Converter

Turn the .heic photos an iPhone saves into a PDF in your browser, one page per photo. No app, no upload, and no conversion step before it.

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HEIC to PDF

Din fil behandles af din egen browser og uploades aldrig. Selve motoren er en engangs 1.4 MB download første gang du bruger den, og derefter kommer den ud af din browser cache.

Hvordan man bruger HEIC to PDF

  1. 1Drop your .heic files onto the box above, or click it to browse. Whole camera rolls are fine.
  2. 2Put them in the order you want with the arrows, then choose a page size and margin.
  3. 3Press create, then download the PDF.

The two-step problem this removes

The usual advice for getting an iPhone photo into a document is to convert it to JPG and then convert that to PDF. It works, and it costs you a folder full of files you did not want, a second lossy pass over an already compressed photo, and twice the waiting.

Here the .heic goes straight in. The decoder that the HEIC conversion pages use runs the same way, hands over pixels, and those pixels are written as a page. One step, no intermediate files.

Why iPhone photos are awkward everywhere else

Turning an iphone photo to pdf is awkward everywhere else for one reason. Since iOS 11, an iPhone saves photos as .heic by default. Inside one is an HEVC intra frame, and HEVC carries patent licensing, so Chrome and Firefox never shipped a decoder for it. The result is a format that is completely ordinary on the phone and completely unreadable on the web, which is why so many converters tell you to change format first.

The decoder here is libheif compiled to WebAssembly, fetched once as a 1.4 MB download and then cached. It runs in a worker thread, so a folder of twenty photos is a progress list rather than a frozen tab. It also handles the tiled layout Apple uses for larger images, which simpler decoders get wrong.

Page size, margins and printing

Fit-to-image gives every page the shape of its photo, which keeps the file small and is right for anything read on a screen. A4 or US Letter centres each photo on a standard sheet and rotates to landscape where the photo is wider than tall, which is what you want when the document is going to a printer or to an office that expects paper sizes.

Add a margin in that case. Most printers cannot reach the edge of the sheet, and a photographed document with its edges clipped is worse than one with a white border. Everything runs in your browser, and no photo is ever sent to a server.

Ofte stillede spørgsmål

Do I need to convert the photos to JPG first?
No, and that is the point of this page. The .heic files go in directly and come out as pages of a PDF. Doing it in two steps costs you a folder of intermediate files and a second lossy pass over photos that were already compressed once.
Why will nothing else open my .heic files?
Because HEIC stores its pixels as an HEVC frame, and HEVC has patent licensing attached, so no browser ever shipped a decoder for it. That is why a photo that looks fine in the iPhone Photos app becomes a broken icon the moment it reaches a web page. This page carries its own decoder, a 1.4 MB download the first time you use it.
Can I put several photos in one document?
Yes. Each photo becomes one page, in the order shown in the list, and the arrows beside each row change that order before you build. This is the usual case, whether it is a set of receipts, a form photographed page by page, or a signed agreement.
Will the photos lose quality?
A little, unavoidably, because HEIC is already lossy and the pages are written as JPEG inside the PDF. Images are embedded at up to 2480 pixels on the long edge, which is A4 at 300 dpi, so a printed page is as sharp as the paper can show. Beyond that a 48-megapixel phone photo would only add megabytes.
Are my photos uploaded?
No. They are decoded and written into the PDF by your own browser. The only thing that travels over the network is the decoder itself, once, and your browser caches it afterwards.

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