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getting-started.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <!--*- sgml -*-->
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<meta name="author" content="Exiv2 contributors">
<meta name="description" content="Open Source Exif, IPTC and XMP metadata library and tools with Exif MakerNote and read/write support">
<meta name="keywords" content="exif, iptc, xmp, metadata, makernote, manipulation, manipulate, read and write, write, change, update, jpeg, jpg, ifd, image file directory, thumbnail, thumbnails, tag, tags, canon, fujifilm, sigma/foveon, nikon, open source, opensource">
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<title>Exiv2 - Image metadata library and tools</title>
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<div id="navbar" class="collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="getting-started.html">Getting started</a></li>
<li><a href="download.html">Download</a></li>
<li><a href="whatsnew.html">What's New</a></li>
<li><a href="metadata.html">Metadata</a></li>
<li><a href="makernote.html">Makernote</a></li>
<li><a href="doc/examples.html">Examples</a></li>
<li><a href="doc/index.html">API</a></li>
<li><a href="manpage.html">Manual</a></li>
<li><a href="book/index.html">Book</a></li>
<li><a href="https://github.com/exiv2/exiv2" target="_blank">GitHub</a></li>
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<div class="container">
<div class="page-header">
<h1>Getting started</h1>
<p class="lead">
An overview of Exiv2 C++ library, the exiv2 command line utility, the Exiv2 project, and sample code.
</p>
</div>
</div><!-- /.container -->
<div class="container">
<div class="col-sm-pair">
<div class="row">
<div class="col-sm-6">
<h2 id="lib">Exiv2 C++ library</h2>
<ul>
<li>Fast read and write access to the
<a href="http://en.wikipedia.org/wiki/Exif">Exif</a>,
<a href="http://en.wikipedia.org/wiki/IPTC">IPTC</a> and
<a href="http://en.wikipedia.org/wiki/Extensible_Metadata_Platform">XMP</a>
<a href="http://en.wikipedia.org/wiki/Metadata">metadata</a> of an image.
</li>
<li>Easy to use and <a href="doc/index.html" title="Exiv2 API documentation">extensively documented</a> C++ API.</li>
<li><a href="conversion.html" title="Exiv2 Conversions">Conversions</a> of Exif and IPTC metadata to XMP and vice versa.</li>
<li>Smart IPTC implementation that does not affect data that programs like Photoshop store
in the same image segment.
</li>
<li>Exif <a href="makernote.html" title="Exif Makernote Formats and Specifications">Makernote</a> support:
<ul>
<li>Makernote tags can be read and written just like any other metadata.</li>
<li>Sophisticated write algorithm avoids corrupting the Makernote.</li>
</ul>
</li>
<li>Other Features:<ul>
<li>Easy to use command-line utility to manipulate metadata.</li>
<li>Command-line utility provides a rich scripting interface.</li>
<li>Library and utility provide tools to debug, pipe metadata and much more.</li>
<li>Simple interface to extract Exif thumbnails.</li>
<li>Support to extract, change and remove ICC profiles.</li>
</ul></li>
</ul>
<h4 class="margin-top-m">Future plans</h4>
<p>These are high-level goals for the Exiv2 library, see the
<a href="https://github.com/Exiv2/exiv2/projects">projects</a>
for information about future projects.
</p>
<ul>
<li>A stable API</li>
<li>A unified metadata container.</li>
<li>Additional image formats such as BigTiff.</li>
<li>Better lens recognition.</li>
<li>More makernote support.</li>
</ul>
<div class="panel panel-primary margin-top-s">
<div class="panel-body">
<p>
To learn how to use the Exiv2 library in your own programs, start by reading the
short <a href="doc/index.html">API documentation intro</a> and study some of the examples here.
Refer to the <a href="metadata.html">metadata taglists</a> for supported tags and default types
and the <a href="doc/namespaceExiv2.html">API documentation</a> for the interface.
</p>
<div class="btn-group">
<a class="btn btn-primary" href="examples.html" role="button">Library examples</a>
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<span class="caret"></span>
</button>
<ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
<li><a title="Reading and printing the Exif metadata of an image" href="examples.html#example1">Read Exif metadata</a></li>
<li><a title="Sample usage of high-level Exif metadata operations" href="examples.html#example2">Add, modify, delete Exif</a></li>
<li><a title="Reading and printing the IPTC metadata of an image" href="examples.html#example3">Read IPTC datasets</a></li>
<li><a title="The quickest way to access, set or modify IPTC metadata" href="examples.html#example4">Set IPTC datasets</a></li>
<li><a title="Sample (test) usage of high level XMP classes" href="examples.html#example5">Set XMP properties</a></li>
</ul>
</div>
</div>
</div>
<div class="panel panel-primary">
<div class="panel-body">
<h2>Exiv2 Community and Resources</h2>
<p>The Exiv2 Project is hosted on GitHub where can interact with project members and users
to get help and support, report bugs and get involved with the project.</p>
<p><a class="btn btn-primary" href="https://github.com/exiv2/exiv2" role="button">Exiv2 GitHub</a></p>
</div>
</div>
</div><!-- /.col-sm-6 -->
<div class="col-sm-6">
<h2 id="util">Command line utility</h2>
<ul>
<li>Print <a href="http://en.wikipedia.org/wiki/Exif">Exif</a>,
<a href="http://en.wikipedia.org/wiki/IPTC">IPTC</a> and
<a href="http://en.wikipedia.org/wiki/Extensible_Metadata_Platform">XMP</a> image
<a href="http://en.wikipedia.org/wiki/Metadata">metadata</a> in different formats:
Exif summary info, interpreted values, or the plain data for each tag</li>
<li>Print the structure of images. This is useful for image file analysis.</li>
<li><a title="Modify" href="sample.html#modify">Set, add and delete</a> Exif, IPTC, XMP metadata and ICC profile
from command line modify commands or command scripts</li>
<li>Adjust the Exif timestamp (that's how it all started...)</li>
<li>Rename Exif image files according to the Exif timestamp</li>
<li>Extract, insert and delete Exif, IPTC and XMP metadata and JPEG comments</li>
<li><a href="conversion.html" title="Exiv2 Conversions">Convert</a> from Exif and IPTC to XMP properties and vice versa</li>
<li>Extract previews from RAW images and thumbnails from the Exif metadata</li>
<li>Insert and delete the thumbnail image embedded in the Exif metadata</li>
<li>Print, set and delete the JPEG comment of JPEG images</li>
<li>Fix the Exif ISO setting of picture taken with Canon and Nikon cameras</li>
<li>Metadata and ICC Profiles can be very conveniently piped on the command-line from one image to others.</li>
</ul>
<div class="panel panel-primary margin-top-s">
<div class="panel-body">
<p>
To get started with the Exiv2 command line utility, run it with the <em>-h</em>
parameter from a terminal or cmd shell:
<code><a title="Exiv2 usage" href="sample.html#usage">exiv2 -h</a></code> and
study the samples here.
For details, read the <a href="manpage.html" title="Exiv2 man page">manual page</a>.
</p>
<a class="btn btn-primary" href="sample.html" role="button">Utility samples</a>
</div>
</div>
<div class="panel panel-primary">
<div class="panel-body">
<p>The Exiv2 project is registered with
<a href="https://www.openhub.net/p/exiv2">Open Hub</a>, a service that helps track and compare Open Source projects.
Among other things, the good people at Open Hub provide tools for evaluating Open Source projects and communities.
Their analysis is based on data gathered from the project's source code repositories. Below are the Open Hub "factoids"
for Exiv2. Use these to explore what Open Hub has to say on the state of our project.
</p>
<script type="text/javascript" src="http://www.openhub.net/p/13985/widgets/project_factoids.js"></script>
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Exiv2 v0.27.5.3
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<span class="visible-xs-block text-center"><p>Last modified 2022-02-18 16:45 UTC</p></span>
<span class="hidden-xs pull-right"><p>Last modified 2022-02-18 16:45 UTC</p></span>
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