What You Need to Know About Localization Testing

By Prometteur solutions 17 Min Read

It is a known fact that localization testing can be a daunting process and lots of development companies often don’t know where to start, what to test and how long it will take to test their app or website. However, without localization testing, you risk losing out on valuable customers due to language and cultural barriers. Your business could be missing out on a huge opportunity of expanding into new markets without taking the proper steps to ensure that your product is localized correctly.

Localization testing is the perfect resource for overcoming these challenges. This comprehensive guide provides all the information you need to know about localization testing – from where to start, what to test for and how long it takes – so you can make sure your product or website is localized effectively. Stop missing out on potential customers & get all the tools you need to succeed

What is localization Testing?

Localization testing, often referred to as “Localization,” encompasses the essential process of adapting an application or website to function seamlessly in various languages and cultures across the globe. When an app undergoes localization, it gains the ability to cater to diverse countries and regions, enabling a broader user base.

There exist multiple approaches to accomplish localization, with the predominant method involving the translation of textual elements on your website or web application into distinct languages. This translation can be achieved either manually or with the assistance of dedicated localization tools. The utilization of such tools simplifies the process significantly.

In the realm of software development, localization testing holds paramount importance, as it guarantees the compatibility of software with different languages and cultural nuances. This testing methodology entails meticulously scrutinizing the software’s user interface, content, and functionality to ensure their accurate adaptation into varying languages and cultures. This diligence becomes particularly crucial when the software is destined for utilization across multiple countries or regions.

The role of localization testers encompasses a diverse array of tests, encompassing endeavors such as validating precise language translation, identifying formatting discrepancies, verifying content precision, assessing GUI compatibility, and beyond. Furthermore, they are responsible for certifying that all facets of the software align with cultural preferences, including aspects like currency symbols and date formats. By proficiently conducting these examinations, localization testers contribute profoundly to the software’s optimal performance within its intended market or region.

Prioritizing localization testing before initiating the launch of an application in a new linguistic context is a judicious course of action. This proactive approach facilitates the verification of proper localization and the accuracy of translated content. To enhance this process, the employment of localization testing tools can be immensely beneficial in gauging user reactions to diverse translations of the content.

When an application undergoes thorough localization testing prior to launch, it culminates in a harmonious outcome: an application that has been adeptly localized and is poised to deliver a satisfying user experience to its diverse audience.

Is Localisation Testing for all Languages?

Software localisation testing is a critical process for any organisation that wants to expand their global reach. It involves ensuring that a product or service can be used in different languages and cultures without any issues. Localisation testers are responsible for ensuring that the product works seamlessly in different languages, taking into account cultural nuances and preferences.

Software localisation testing experts use specialised tools to test the functionality of the product in different languages, as well as its usability and user experience. They also provide feedback on any issues they find with the localization process, allowing developers to make necessary adjustments before launching their product internationally. This helps organizations avoid costly mistakes when targeting new markets and ensures that their products are accessible to customers around the world.

What Are the Priorities for Localization Testing?

The overall goal of localisation testing is to validate your product’s readiness across target areas and languages. So, what are the most effective methods for performing localization testing? 

Concentrate on testing the product’s content, user interface, functionality, and setup / upgrade performance.


During the localization testing process, ensure that your translation from one language to another is accurate. To ensure that there are no flaws with the content, QA testers check the translation of each screen in runtime context.

Ask yourself the following questions during software translation testing:

  • Is all terminology consistent throughout the documentation and the user interface?
  • Is there any typographical or grammatical problems in the content?
  • Is all of the text accurately translated?
  • Is there any character corruption in the content?

The User Interface (UI)

During software localization testing, make sure to discover and correct any errors with the layout and design of your product’s UI. QA engineers should plan on developing test cases to ensure that regional users get the best possible experience with your product.

A solid website localization testing strategy should provide answers to the following questions:

  • Is your website’s design consistent with the original?
  • Are localized pictures rendered accurately and in high quality?
  • Is the text shown as intended, with no inflation issues?
  • Is the text positioned correctly within the UI?
  • Are the hyphens and line breaks correct?


Through software functional testing, ensure that the destination system adapts properly within the source interface. QA teams rely on localization testing tools to ensure that the product works as intended, regardless of language.

When testing software for translation, ensure sure your test cases answer the following questions:

  • Do all of the hyperlinks work properly?
  • Are all hot keys active?
  • Is it possible to use special characters throughout the application?
  • Is the target location compatible with the needed fonts?
  • Do format separators work correctly?
  • Is the system stable when it is localized?
  • When localized, is the product still compatible with the supported operating systems, peripheral systems, and international support systems?

Installation and Upgrade

Localization testing must ensure that your product can be easily accessed and updated across target areas. Your QA testers should ensure that your program can be downloaded, uninstalled, and upgraded locally.

Make sure your QA team answers the following questions while completing software translation testing:

  • Can the product be effectively installed across devices when localized?
  • Can the product be effectively removed across devices when localized?
  • Can the product be successfully upgraded across devices once it has been localized?
  • Do previous versions of the product still function properly when localized?

What Are Some Tools for Localization Testing

When attempting to maximize test coverage, it is critical to employ localization testing tools.

The correct tools for localization software testing can keep your testing cycle on track, from screenshot capture and test automation to test case management and issue reporting. We propose that you investigate these alternatives as part of your translation testing process.

With this workflow management solution, you can streamline your software localization testing lifecycle. Redmine’s capabilities, such as repository view, time tracking ticket, and integrated wiki for sharing testing instructions, help to speed up the problem tracking process.


This tool is the best compatible with your existing tool set as well as for organizing localization test cases. TestRail delivers meaningful information on your testing process, monitors test case outcomes conveniently, and interfaces with the majority of issue tracker platforms.


This application is useful whenever your QA testers need to take screenshots for issue reporting during translation testing in software testing. Users may utilize ShareX to easily post text to Pastebin as well as files to popular services such as Google Drive, Dropbox, and Amazon S3.


By incorporating keyword-driven testing into the automated process, this solution expands your localization test coverage. TestArchitect, in combination with Selenium, can automate across platforms such as online, desktop, mobile, and database.

Requirement of Localisation Testers

In order to make sure that a product is appropriate for use in many contexts and languages, localization testing is a crucial step in the software development process. To guarantee that the product satisfies all local criteria, a specific set of abilities is needed. 

Testing for localization requires a grasp of other cultures, linguistic idiosyncrasies, and regional laws. Additionally, they should be knowledgeable about test automation frameworks and bug tracking systems used in software development processes.

The ability to collaborate with different teams and have excellent communication skills are also requirements for localization testers. These abilities enable localization testers to ensure that products are correctly localised for each target market.

What Problems Can Localization Testing Solve?

You would think that localization, language, and functional testing methods are all connected. This is not the case, though. They are a variety of procedures that call for a range of testing resources. Because of this, it’s essential that you understand each and every testing technique, with a focus on localization testing, which is currently being covered.

The following is a list of the various issues that localization testing may address.

  • UI and layout flaws, including redundant or missing buttons, content overlap, and alignment issues
  • Through testing procedures, the presence of jumbled dialogue boxes and jumbled web pages will be found.
  • Strings created using placeholders and concatenated strings may both include bugs.
  • Localization Testing procedures can be used to address problems with text expansion such as truncations.
  • When implementing a tried-and-true system, you run into problems with all of the expanded characters
  • You may adjust inaccurate calendar formats as well as date and time that should correspond to your geographical location.
  • You can identify issues with the grammar and language of your target market by doing localization testing.
  • You can quickly fix the problems with converting foreign currencies to your own and add the monetary sign for the country or area where your product is used.
  • You can assess the consistency of the messaging as well as the online support offered to your customers.
  • It is also possible to check command key sequences and printed documentation.
  • Situations, where Windows apps mimic superfluous or absent hotkeys, can be managed.
  • It is possible to verify input, display, and system requirements against the requirements of your environment and certify their conformity.
  • Along with finding and fixing typographical errors, you can assess the usability of the user interface.
  • Processes for localization testing help you evaluate your product to check if it complies with the cultural standards of your target market.
  • To identify and address situations where politically sensitive content has been removed from a significant percentage of your offering.
  • Along with making sure the video content is appropriate, you can also make sure that basic requirements are met for the keyboard, mouse, operating system, audio interface language, and accent.

Importance of Localisation Testing

Localization testing is an essential part of the software development process. It helps ensure that the software product works properly in different languages and locales. Localization testers are responsible for verifying that the software functions correctly in different locales and languages, and that it meets the requirements of its intended audience. 

They also help identify any potential issues or bugs in the software before it is released to users. This ensures that users have a positive experience when using the product, regardless of their language or locale. By performing localization testing, companies can ensure that their products are accessible to global audiences, resulting in increased user engagement and satisfaction.

If your product is delivered with a number of language-specific defects, it will only serve to discredit your product in the eyes of worldwide buyers. As a result, localization testing must verify that your product is error-free so that clients all over the world will love and patronize it.

You should also be aware that issues might occur even after your product has been localized. As a result, localization testing is the sole tool that can help you avoid errors that can cost you a fortune if they go unnoticed. Thus, localization testing techniques offer a speedy and cost-effective manner of resolving difficulties and producing a translated product that is user-friendly in more ways than one.

If you want to learn more about localisation testing, you can reach out to us and we will offer you the best.


What is Localization Testing? 

Localization testing is essentially a process for verifying software behavior, correctness, and appropriateness for certain locales and countries. This might range from a single city to a whole country. The approach simulates how the program will react in certain scenarios. 

Can we automate localization testing?

The majority of localization testing is done by hand. Text must be read, layout must be examined, and localization must be validated, all of which must be done manually. However, there are still instances where automation is used. 

Why do we need localization testing?

What is the significance of localization testing? The goal of localization testing is to make the product appear and feel natural to the product’s foreign target audience. You must make it appear as though it was designed exclusively for their cultural and geographical background. Localization increases client loyalty to your brand. 

What are Localisation tools?

A localization tool is a type of software that assists software developers, project managers, and translators in the translation of software, apps, documents, and other material. A localization tool can improve translation quality while maintaining consistency.

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