• 1


    Jsonium is developed in Java, and requires Java 1.6 or higher in order to run.
  • 2


    Download Jsonium installer or zip archive from release area.
  • 3

    Setup on Windows

    Run the installer and follow instructions to setup Jsonium.
    Launch Jsonium from the Start menu.
  • 4

    Alternatively on Windows, Linux, Mac OS

    Unpack the zip archive to <jsonium home> directory.
    Run from the command line window:

    <jsonium home>$ java -jar jsonium.jar

    Or, on Mac OS, right-click on the <jsonium home>/jsonium.jar, and select Open


    • 1 Launch Jsonium. When it is launched for the first time, there is a new file with a single unsaved request.
    • 2 Rename the request by double-clicking on its’ name on the left.
    • 3 Fill out the request url, content and headers.
    • 4 Select the request type from the list.
    • 5 Save the file (File → Save).
    • 6 Press run button on the toolbar.
    • 7 You will see the request result in the response section. It contains pretty and raw response body representation.

Request  New Ctrl + Plus


The new request is not saved to the file until the user does it manually.

Delete request

Request  Delete Ctrl + Delete


The request is not deleted from the file system until the user saves the file.

Save request

Request  Save Ctrl + Shift + S


Save a single selected request to the current file. Other changed and non-saved requests will not be updated in the file.

Revert request

Request  Revert Ctrl + Shift + Z


Revert a single selected request to the last saved state.

Execute request

Request  Execute F9


Execute the selected request.

Format request body

Edit  Format Ctrl + Shift + F


Format JSON request body.


Manage variables

Variables  Manage Ctrl + M


Manage environment variables.

Insert variable

Variables  Insert Ctrl + I 


Insert an environment variable.