Perform Optical Mark Recognition (OMR) in the Cloud Using Node.js

Node.js Cloud SDK to read, recognize and process photos & PDF files with human-marked data via OMR and export the results to CSV file.

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Aspose.OMR Cloud SDK for Node.js

Aspose.OMR Cloud SDK for Node.js


Aspose.OMR Cloud SDK for Node.js has been developed for the ease of our customers since it hides the underlying details associated with handling HTTP requests and responses and let them take full advantage of the features of our cloud-based OMR REST API for optical mark recognition in the cloud. The SDK supports most commonly used image formats to recognize markers from and can be easily customized as per the requirements of your application.


Advanced OMR REST API Features



Supports most commonly used image formats


Supports common markers such as Check Boxes & Grid


Export OMR results in CSV format


High accuracy rate


Add or delete OMR elements from template


Process rotated images


Template Generation from Textual markup


Barcodes and QR-codes recognition


Capture human-marked data from PDF documents


Barcodes and QR-codes in template generation


Grade OMR answers based on rules


UTF-8 Encoding Support

Quickly Get Started with Optical Mark Recognition

It is easy to get started with Aspose.OMR Cloud because there is nothing to install. Simply create an account at Aspose for Cloud and get your application information. Once you have acquired the app key & SID, you are ready to use the Aspose.OMR Cloud REST API with any language, on any platform. For further ease of our users who want to work in Node.js, we have developed the SDK for it which supports all the features of the API and is readily available to get you started quickly with our OMR API.

OMR Demo Application for Learning

Aspose.OMR Cloud SDK for Node.js comes with a Node.js demo project, which is provided for demonstration and as a jump start for the developers. The project allows you to create template markup & save it for later processing or manipulate existing templates. You can also perform basic OMR recognition tasks, and learn how to work with Aspose.OMR Cloud in the process using Node.js.

Recognize Marks from Scans or Photos

Aspose.OMR Cloud is equally good for scanned documents as well as photos of the documents because it can process rotated and perspective corrupted images with high accuracy.

High Accuracy Rate

Using the SDK, you can utilize all the features of the OMR REST API, which is capable of capturing human-marked data from documents like surveys, questionnaires, examination paper etc. and can also recognize scanned images and photos with high accuracy.

Easy Template Generation

Aspose template generation API allows you to generate surveys and test sheets through simple text markup. Just prepare the survey text and you have a template ready to work with. Alternatively, you can write a header text, specify the number of questions and answers and get your personal test sheet.

Export Results in CSV Format

Along with JSON based responses, Aspose.OMR Cloud SDK for Node.js also offers to export the results in CSV format. You can set the API to export the results in a CSV file while saving it in your downloads folder.


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