JSON Viewer extension has now a few new features: ability to print formatted data ability to format input data keeping JSON markup ability to compare 2 JSON data Source code and binaries to download are here: https://github.com/marss19/json-viewer-visual-studio-extension After installation the viewer appears in the main menu: Tools -> JSON Viewer. Applicable to VS 2012 and 2013. UPDATE The source code has been migrated to GitHub: https://github.com/marss19/json-viewer-visual-studio-extension The latest release is available for download in Visual Studio Marketplace: https://marketplace.visualstudio.com/items?itemName=MykolaTarasyuk.JSONViewer