iPhone and Android smartphone users looking to find out whether their device will work with various carriers around the world now have a quick way to find out thanks to a handy new website. Detailed on Reddit by its creator, Will My Phone Work is a site that lets you select the smartphone model you currently own, or want to purchase, along with any country and carrier. The site then tells you whether or not the gadget is compatible with the selected carrier’s networks.

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The service has a database of almost 2,000 mobile devices and of over 800 carriers, with more handsets, tablets and wireless network operators being added each month. Furthermore, the service is available free of charge, and the site has no ads whatsoever.

Will My Phone Work can be a useful tool not only for travel, but also when it comes to buying and selling used iPhones or other smartphones. By simply looking for the a mobile device on Will My Phone Work, users can quickly determine whether a specific model will work on any network in their country.

For example, the Sprint HTC One M8 will work on SFR France only on 2G and 3G, but not LTE, as shown in the following screenshot — to test it out for yourself, follow the link in our source section.