# Installing ExifTool

> Note: ExifTool does not need to be installed to run. Just download and extract either the full Perl distribution on Mac/Linux, or the Windows EXE version on Windows, and run it directly. [But note that if you move the Perl "exiftool" application you must also move its "lib" directory to the same location, and if you move the Windows "exiftool(-k).exe" or "exiftool.exe" you must also move the "exiftool_files" folder.]
> However, the benefits of installation are:
> - Makes ExifTool available to all users.
> - Saves typing on the command line (by placing "exiftool" in your PATH).
> - Installs the ExifTool documentation and API libraries (full Perl version only).

See the appropriate section below with instructions for installing or uninstalling ExifTool on your specific platform:

- Windows
- MacOS
- Unix Platforms

Also see these instructions for help running ExifTool.

## Windows

In Windows, there is a choice of two different versions of ExifTool to install. The Perl distribution requires Perl to be installed on your system. (A good, free Perl interpreter can be downloaded from activeperl.com or strawberryperl.com.)

If you don't already have Perl, it is easier to install the ExifTool executable version, but note that this version doesn't include the HTML documentation or some other files of the full distribution.

### Windows Executable

1. Download the 32-bit or 64-bit Windows Executable from the ExifTool home page.
   (The file you download should be named "`exiftool-13.59_32.zip`" or "`exiftool-13.59_64.zip`".)
2. Extract the "`exiftool-13.59_xx`" folder from the "`.zip`" file, and place it on your Desktop.
   (Double-click on "`exiftool-13.59_xx.zip`" to open the archive, then drag "`exiftool-13.59_xx`" folder to your Desktop.)
3. Open the "`exiftool-13.59_xx`" folder from your Desktop.

You can now double-click on "`exiftool(-k).exe`" in this folder to read the application documentation, or drag-and-drop files and folders to run exiftool on selected files. To install exiftool for use from the command line, continue with the following steps:

4. Rename "`exiftool(-k).exe`" to "`exiftool.exe`".
   (or "`exiftool(-k)`" to "`exiftool`" if file name extensions are hidden on your system)
5. Move "`exiftool.exe`" and the "`exiftool_files`" folder to any directory in your PATH (or any other directory of your choosing).

You can now run exiftool by typing "`exiftool`" at the command prompt (or "`c:\path\to\exiftool`" if the directory isn't in your PATH).
(To get to the command prompt, select "Run..." from the Windows "Start" menu, then type "`cmd`" and press Return.)

Uninstalling:

1. Drag "`exiftool(-k).exe`" (or "`exiftool.exe`" if you renamed it) and the "`exiftool_files`" folder into the Recycle bin.

### Full Perl Distribution

You must have Perl installed to use this version. (A free version of Perl can be downloaded from activeperl.com or strawberryperl.com.)

1. Download the Image-ExifTool distribution from the ExifTool home page
   (The file you download should be named "`Image-ExifTool-13.59.tar.gz`".)
2. Extract the ExifTool files from the archive.
   (The archive is a gzipped tar file, and can be opened with various Windows utilities, including WinZip.)
3. Rename "`exiftool`" to "`exiftool.pl`" in the exiftool distribution.
4. Move "`exiftool.pl`" and the "`lib`" directory from the exiftool distribution to any directory in your PATH.

Now, if you have made the proper Windows associations for the "`.pl`" extension (an option in the ActivePerl installation), you can run exiftool by typing "`exiftool.pl`" at the "`cmd.exe`" prompt. Otherwise you should type "`perl c:\path\to\exiftool.pl`".

Uninstalling:

1. Drag "`exiftool.pl`" and the "`lib`" into the Recycle bin. You should first confirm that "`lib`" contains only the "`File`" and "`Image`" sub-directories. Do not delete it if it contains anything else.

## MacOS

If you have installed the BSDSDK package from the Xcode Developer Tools (ie. if you have the "`make`" utility), you should follow the install procedure for Unix platforms in the next section instead of the steps below. The Unix install has the advantage of making the ExifTool library available for your Perl scripts, as well as installing the man pages and POD documentation.

Otherwise, you have a choice of two packages to install: The MacOS package, or the full Perl distribution. Both of the procedures below install the ExifTool files in the same location. Installing from the MacOS package is easier, but the full distribution includes HTML documentation and some other files not included in the MacOS package. Both versions run natively on PPC and Intel Macs.

### MacOS Package

1. Download the ExifTool MacOS Package from the ExifTool home page.
   (The file you download should be named "`ExifTool-13.59.pkg`".)
2. Install as a normal MacOS package.
   (Double-click on the install package, and follow the instructions. See the Notes below if you are stopped with an "unidentified developer" or "could not verify" message.)

You can now run exiftool by typing "`exiftool`" in a Terminal window.

If this doesn't work, then it is likely you have an older version of MacOS for which /usr/local/bin isn't in the default PATH. To fix this, add the following line to your ~/.profile settings using a text editor:

> `export PATH=$PATH:/usr/local/bin`

Notes:

Apple blocks apps from unknown vendors and extorts a developer fee which seems incongruous with the concept of open source software so I refuse to pay it, hence the following inconvenience... - PH

- In MacOS 10.8 to MacOS 14, you may see this message when you try to open the install package:

  > "ExifTool-13.59.pkg" can't be opened because it is from an unidentified developer.

  The solution is to control-click on the pkg then select "Open" from the pop-up menu instead of just double-clicking. An alternative is to lower the security settings by changing "Allow applications downloaded from" to "Anywhere" in the General "Security & Privacy" System Preferences. (Read here or here for a full description.)
- In MacOS 15 or later, you may see this message when you try to open the install package:

  > Apple could not verify "ExifTool-13.59.pkg" is free of malware that may harm your Mac or compromise your privacy.

  The solution is to open the "Privacy & Security" System Settings and find the "Open Anyway" button in the Security section.
- Another possibility if you already have another version of ExifTool installed is to remove the quarantine flag by running this command in a Terminal window, allowing the installer to be launched:

  >     exiftool -XAttrQuarantine= ExifTool-13.59.pkg

  or if you don't already have ExifTool installed, you can do this:

  >     xattr -d com.apple.quarantine ExifTool-13.59.pkg

  Note that you should "cd" into the directory containing the package file before running either of the above commands, or specify the full path name of the package file.

### Full Perl Distribution

1. Download the Image-ExifTool distribution from the ExifTool home page to your Desktop.
   (The file you download should be named "`Image-ExifTool-13.59.tar.gz`".)
2. Launch the Terminal application from the Utilities folder in your Applications folder.
3. In the Terminal window, type the following:

           cd ~/Desktop
           tar -xzf Image-ExifTool-13.59.tar.gz
           cd Image-ExifTool-13.59
           sudo cp -r exiftool lib /usr/local/bin

   (Note: The last step above will require you to enter your password.)

You can now run exiftool by typing "`exiftool`" in a Terminal window.

Note:

- Both MacOS installation techniques outlined above place exiftool and its lib directory in /usr/local/bin, while the standard Unix "`make install`" described below puts "`exiftool`" in /usr/local/bin and the individual libraries in /Library/Perl/#.#.#, where "#.#.#" is your Perl version. If both sets of libraries exist, /usr/local/bin/lib takes precedence for exiftool, but /Library/Perl/#.#.# is the default for any other Perl scripts.

### Uninstalling

1. Launch the "Terminal" application from the Applications Utilities folder.
2. Type "`open /usr/local/bin`" (without the quotes) in the Terminal window, then press RETURN. (This opens a folder that you normally can't access from MacOS.)
3. Drag "`exiftool`" and "`lib`" into the trash from the "`bin`" folder you opened. You should first confirm that "`lib`" contains only two sub-folders: "`File`" and "`Image`". If it contains anything else, don't trash it because you have the wrong "`lib`" folder.

## Unix Platforms

1. Download the Image-ExifTool distribution from the ExifTool home page
   (The file you download should be named "`Image-ExifTool-13.59.tar.gz`".)
2. Unpack the distribution and make it your current directory by typing:

           cd <your download directory>
           gzip -dc Image-ExifTool-13.59.tar.gz | tar -xf -
           cd Image-ExifTool-13.59

   (At this point you may run exiftool by typing "`./exiftool <image file name>`".)
3. Test and install ExifTool by typing:

           perl Makefile.PL
           make test
           sudo make install

   (Note: The "`make test`" step is not required, but useful because it runs a full suite of tests to verify that ExifTool is working properly on your system. The "`sudo make install`" command requires that you have su access, and will prompt for your password. This will make ExifTool and its documentation accessible to all users on your system. If you don't have su access, you can run ExifTool in your own account by moving "`exiftool`" and its "`lib`" directory to any convenient location, preferably somewhere in your PATH.)

You can now run exiftool by typing "`exiftool`". Also, you can consult the ExifTool documentation with commands like:

>     perldoc exiftool
>     perldoc Image::ExifTool
>     perldoc Image::ExifTool::TagNames

or

>     man exiftool
>     man Image::ExifTool
>     man Image::ExifTool::TagNames

### Uninstalling

1. Type "`sudo make uninstall`" from the distribution directory.
   (Note: Unfortunately, newer systems may give an "Uninstall is unsafe and deprecated" message even though uninstalling ExifTool is safe because it has no dependencies. If this happens, the necessary commands to remove the installed files will be listed, and these commands must be run manually.)

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