Current OCI photo requirements.
... the images must be in jpeg or jpg format, with max size 200kb.
The height and width of the Applicant Photo must be equal.
The minimum dimensions are 200 pixels (width) x 200 pixels (height).
The maximum dimensions are 900 pixels (width) x 900 pixels (height).
The minimum dimensions are 200 pixels (width) x 200 pixels (height).
The maximum dimensions are 900 pixels (width) x 900 pixels (height).
Use GIMP - free and brilliant tool on Ubuntu.
Step 1: Open the original photo. File --> Open
Step 2: Crop the Image. Tools --> Transform Tools --> Crop. Select the area of the photo such that height and width is same number of pixels i.e. aspect ration 1:1.
Step 3: Scale the Image. Tools --> Transform Tools --> Scale. Enter height and width as 900px. This will scale the selected photo to 900 by 900 px.
Step 4: Change the canvas to the layer size. Image --> Fit canvas to Layers.
Step 5: Export the resultant image. File --> Export --> select jpeg , jpg.
Step 6: Select "Show preview in image window" so that File size is visible. Adjust Quality so that the file size remains under 200Kb.