ZXing ("zebra crossing") is an open-source, multi-format 1D/2D barcode image processing library implemented in Java, with ports to other languages. ## Supported Formats | 1D product | 1D industrial | 2D | ---------- | ------------- | -------------- | UPC-A | Code 39 | QR Code | UPC-E | Code 93 | Data Matrix | EAN-8 | Code 128 | Aztec (beta) | EAN-13 | Codabar | PDF 417 (beta) | | ITF | | | RSS-14 | | | RSS-Expanded | ## Components ### Active | Module | Description | ------------------- | ----------- | core | The core image decoding library, and test code | javase | JavaSE-specific client code | android | Android client Barcode Scanner [](https://play.google.com/store/apps/details?id=com.google.zxing.client.android) | androidtest | Android test app, ZXing Test | android-integration | Supports integration with Barcode Scanner via `Intent` | zxingorg | The source behind `zxing.org` | zxing.appspot.com | The source behind web-based barcode generator at `zxing.appspot.com` ### Intermittently maintained There are also additional modules which are contributed and/or intermittently maintained: | Module | Description | ------------ | ----------- | jruby | JRuby wrapper ### Available in previous releases | Module | Description | ------ | ----------- | [cpp](https://github.com/zxing/zxing/tree/00f634024ceeee591f54e6984ea7dd666fab22ae/cpp) | C++ port | [iphone](https://github.com/zxing/zxing/tree/00f634024ceeee591f54e6984ea7dd666fab22ae/iphone) | iPhone client | [objc](https://github.com/zxing/zxing/tree/00f634024ceeee591f54e6984ea7dd666fab22ae/objc) | Objective C port | [actionscript](https://github.com/zxing/zxing/tree/c1df162b95e07928afbd4830798cc1408af1ac67/actionscript) | Partial ActionScript port ### Related third-party open source projects | Module | Description | -------------------------------------------------- | ----------- | [QZXing](https://sourceforge.net/projects/qzxing) | port to Qt framework | [ZXing .NET](http://zxingnet.codeplex.com/) | port to .NET and C#, and related Windows platform ### Other third-party open source projects | Module | Description | ---------------------------------------------- | ----------- | [Barcode4J](http://barcode4j.sourceforge.net/) | Encoder library in Java | [ZBar](http://zbar.sourceforge.net/) | Decoder in C++, especially for iPhone | [Zint](http://sourceforge.net/projects/zint/) | Barcode generator ## Links * [Online Decoder](http://zxing.org/w/decode.jspx) * [QR Code Generator](http://zxing.appspot.com/generator) * [Javadoc](http://zxing.github.io/zxing/apidocs/) * [Documentation Site](http://zxing.github.io/zxing/) * [Google+](https://plus.google.com/u/0/b/105889184633382354358/105889184633382354358/posts) ## Contacting Post to the [discussion forum](https://groups.google.com/group/zxing) or tag a question with [`zxing` on StackOverflow](http://stackoverflow.com/questions/tagged/zxing). ## Etcetera [](https://travis-ci.org/zxing/zxing) [](https://scan.coverity.com/projects/1924) [](https://codecov.io/github/zxing/zxing?branch=master) QR code is trademarked by Denso Wave, inc. Thanks to Haase & Martin OHG for contributing the logo. Optimized with [](http://www.ej-technologies.com/products/jprofiler/overview.html)