Improving Chrome and Developer Tools with extensions

Although it's more related to programming than web mapping, it's recommended to increase your abilities at using web debuggers.

Chrome DevTools by default offers the main functions to develop and debug with OpenLayers, but to be more efficient, it's really required to use extensions. Extensions are additions to Chrome browser or to the Developer Tools to add or augment default software functions. You can find most of them at

We'll review some of them.


Usually you're consuming web services providing JSON (JavaScript Object Notation) when you're doing mashups. To illustrate why the add-on is useful, we will use a geocoder service, ...

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