How can I convert an Apple iOS HEIF image into JPEG?

Support for reading HEIF was added to ImageMagick 7.0.7-22, you have to install it with --with-libheif flag.

e.g. on macOS with Homebrew: brew install imagemagick --with-libheif. If you have previously installed imagemagick with Homebrew, you need to uninstall it by brew uninstall imagemagick first.

---

One other option to convert HEIF → JPG on macOS is by using Automator. It has a "Change Type of Images" action that can do the conversion. If needed, you could have the "to JPG" conversion available in context menu

Ubuntu/Linux

• filibuntu has written about HEIF software on AskUbuntu. The information likely applies to other Linux distributions as well.

• libheif-examples contains command-line utilities: heif-enc and heif-convert.

• GIMP and Krita support HEIF via libheif.

• Recent Geeqie git commits have added HEIF support. It may be installed from PPA.

• Imagemagick can be recompiled with libheif support. There also do not appear to be any pre-built packages for Debian/Ubuntu.

Windows 10

• Windows 10 Build 17623 includes support for HEIF in the Photos app.

• The following may need to be installed:

  • HEIF Image Extensions

  • HEVC Video Extensions or HEVC Video Extensions from Device Manufacturer

Online Converters

• Google Photos and Dropbox have been reported to support HEIF.

• There are other converters, but be sure to read their privacy policies before using them.

On Windows 7 have used free batch converter Converseen to convert HEIC to JPG. Retains EXIF. http://converseen.fasterland.net/

my two cents... I was tired of using cmd line...

I wrote a small app... if interested. it's free:

https://apps.apple.com/us/app/heictojpeg/id1486256731?ls=1&mt=12

hope can be useful

1. Remove previous version of ImageMagick:

$ sudo apt-get remove imagemagick

2. Install base dependencies:

$ sudo apt-get install build-essential checkinstall 
$ sudo apt-get install libx11-dev libxext-dev zlib1g-dev libpng12-dev libjpeg-dev libfreetype6-dev libxml2-dev
$ sudo apt-get install libwebp-dev libde265-dev

3. Install library for reading HEIF/HEIC files (this step is essential):

$ cd /usr/src/
$ sudo wget https://github.com/strukturag/libheif/archive/v1.3.2.tar.gz
$ sudo tar -xvf v1.3.2.tar.gz
$ sudo rm v1.3.2.tar.gz
$ cd libheif-1.3.2/
$ sudo ./autogen.sh
$ sudo ./configure
$ sudo make
$ sudo make install

4. Install ImageMagick with WEBP and HEIC support:

$ cd /usr/src/
$ sudo wget http://www.imagemagick.org/download/ImageMagick.tar.gz
$ sudo tar xvzf ImageMagick.tar.gz
$ sudo rm ImageMagick.tar.gz
$ cd ImageMagick-7.0.10-31/
$ sudo ./configure --with-heic=yes --with-webp=yes
$ sudo make
$ sudo make install
$ sudo ldconfig /usr/local/lib
$ sudo make check

5. Check version:

$ convert --version
...
Version: ImageMagick 7.0.10-31 Q16 x86_64 2020-10-03 https://imagemagick.org
Copyright: © 1999-2020 ImageMagick Studio LLC
License: https://imagemagick.org/script/license.php
Features: Cipher DPC HDRI OpenMP(4.0) 
Delegates (built-in): bzlib fontconfig freetype heic jbig jng jpeg lcms lzma openexr pangocairo png tiff webp wmf x xml zlib

6. As you see 'heic' is in the delegates list.

7. To convert single file from HEIC into JPG:

$ convert IMG_3288.HEIC IMG_3288.JPG

8. To convert all HEIC-files in current directory into JPG:

$ ls *.HEIC -1 | sed -e 's/.HEIC$//' | xargs -I {} convert {}.HEIC {}.JPG

---

OPTIONALLY: Setting date and time of each JPG-file according to EXIF timestamp:

$ exiftool "-DateTimeOriginal>FileModifyDate" *.JPG

If you don't have exiftool utility you can install it by following command:

$ sudo apt install libimage-exiftool-perl

---

Usefull links:

https://medium.com/@sanjaywrites/install-latest-version-of-imagemagick-in-ubuntu-16-04-c406ddea1973 https://gist.github.com/rjnienaber/af47fccb8410926ba7ea35f96c3b87fd