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What is AltLang?

AltLang is an automatic language variety converter that helps you to deliver content into different varieties of the same language, i.e. from American English into British English.

Altlang has been developed by Prompsit and it is based on Apertium MT technologies. Its conversions are fully reliable and will make your content not just to be in the right language, but also in the right variant of your clients' language. The language variants available through AltLang are:

European Spanish ⇆ Spanish Latin America (es_ES - es_LA)

British English ⇆ American English (en_GB - en_US)

European French ⇆ Canadian French (fr_FR - fr_CA)

European Portuguese ⇆ Brazilian Portuguese (pt_PT- pt_BR)

AltLang is fully customizable. If you find a mistake or want to suggest, please report them to

How does it work with memoQ?

memoQ sends a text to AltLang engine, one segment at a time. The results are then displayed in the translation results and the translator can decide whether to use them.

How to use this service in memoQ?

If you want to use AltLang in memoQ, please contact them at to get a username and a key. You will need them when enabling the plugin in Options | MT settings in memoQ. For a step-by-step guide on how to use AltLang in memoQ, please click here.


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