Introduction
Selenium Software is an open-source project with a set of tools and libraries aiming to support Browser Automation. Selenium IDE is one of the components of Selenium Software used for Selenium testing. The testing includes recording, editing, and debugging functional tests.

Katalon is also a software platform for Testing Automation. Using this platform, you can test web applications, API, and mobile and desktop applications. It has a rich set of features to allow test automation. This includes scaling, managing, and collaboration. You can perform the entire test cycle in Katalon Studio.

Though both software work on similar principles, some characteristics differentiate them. Sometimes, Selenium IDE can be more useful; the rest of the time, you might feel Katalon Studio will provide better results. In such a situation, this article will be quite useful for you.
This article will discuss the steps to import Selenium IDE version 3 projects in Katalon Studio. We will also learn how Katalon Studio frames the imported test tools.
How to import Selenium IDE version 3 projects in Katalon Studio?
There are several types of projects which you can automate using Selenium, such as TestNG, JUnit, IDE, etc. This section will help you with the steps to import a Selenium IDE version 3 project into Katalon Studio for execution. You can the following steps to complete the process accurately.
- Create or open a project in the Katalon Studio.
- Select ‘File’ tab from the Menu bar and click on ‘Import Selenium IDE Project’.
- You will see a list of Selenium IDE version 3 files with (.side) extension. Select the file you need to import and open it.

How Katalon Studio frames the imported test tools?
A Selenium IDE version 3 project consists of Test Cases, Suites, and Executing. However, Katalon Studio imports only Test Cases and Suites.
👉 Test Cases
A Test Case is like a bookmark after which the behavior of the test is checked. You can put multiple test cases in a single test. You can group test cases into a single test suite in a logical way.
To see the imported Test Cases:
- Open the Test Explorer tab on your screen.
- Select the Test Cases folder.
- Under that folder, click on the Imported from Selenium IDE Scripts option and select the required Test Case.
Katalon Studio automatically creates a directory and folders to store imported Test Cases.
👉 Test Suites
A Test Suite is a collection of Test Cases. If you want to manage or regulate some test cases in the same way, you can group them in a Suite. In this way, you can change the behavior of all the test cases by changing the setting of a Suite.
To see the imported Test Suites:
- Open the Test Explorer tab on your screen.
- Select the Test Suites folder.
- Under that folder, click on the Imported from Selenium IDE Scripts option and select the required Test Suite.
Katalon Studio automatically creates a directory and folders to store imported Test Suites.

Note that if you import a project with the Imported from Selenium IDE Scripts option, the new folder is imported as Imported from Selenium IDE Scripts (1) option. Also, suppose there is no Test Suite or Case inside the Imported from Selenium IDE project. In that case, the Katalon Studio will not create an Imported from Selenium IDE Scripts folder.
An example screen of the imported project is pasted below. It contains a set of Selenium commands such as test cases, test suites, data files, etc.

Sorting out Compilation Errors
Four types of Compilation Errors may arise while importing Selenium IDE version 3 projects in Katalon Studio.
- Errors related to Package Declaration.
- Errors related to Importing classes from different packages.
- Errors related to Path Declarations.
- Errors related to Missing Libraries.
All these errors can be solved by running each package, library, and a class of every Test Case and Test Suite individually in the Katalon Studio window.
An example screen full of compilation errors is pasted below.

Once you are done with resolving all the errors, you will be able to run the complete project in the Katalon Studio.