OCR Extension | Version 5



The first and initial version of my OCR extension was released in february this year.
Now it’s time for the first official forum post.

Thanks to ocr.space for this great service.
You can find here more informations about the provider and how to get your own api key for FREE:

Today I have released Version 5 of my extension.

Below you will see what the extension can do for you:

And now a example of how to use all these great properties:

This extension is a full component in makeroid.io
but for every builder that is based on App Inventor available.

This extension works only as apk and not in companion or else.

You like what you see? Now download it and test it by yourself.

Download Ocr Extension
Download Ocr example apk
Download Ocr example aia

How use OCR Extension
Get text from OCR Caption
Identify numbers
How to use OCR Extension
OCR extension crashes app
I need to get a text by Camera
Scan a number from paper
Can we extract (scan) text from a image?
How to get a text by a camera?
Hello is there any method to add OCR in a thunkable app

thank you for your contribution!

is there any reason for this?


It looks like that the companion can not handle multipart http requests.
I have tried it with companion and with usb connection.
But booth without success.
That is the reason for the note that it is only working as apk.


Great Work!
but I think it would perfect if you could apply the automatic resizing of the image to 1MB using your image editing extension, and remove the “\r\n” html line breaks…


You can do the “\r\n” replace by yourself.
Like this:

Maybe I will add a image resizing option in the next version.


Hi. I can´t compile the AIA…I get an error message. Any help?


Mika, please help me. I have this response: “No peer certificate” , what it means?



When I put the OCR and Image Recognizer in the same project, the compiler will have error message:

________Invoking DX
YAIL compiler - DX execution failed.


Block ReturnOnlyMessage is not working in version 5


I have the same problem “No peer certificate”. Please help