document-understanding
2024.10
true
UiPath logo, featuring letters U and I in white

Document Understanding User Guide

Last updated Jun 26, 2025

OCR engines

An OCR Engine is used in the Digitization component, to identify text in a file, when native content is not available.

Note:

The images that need to be processed should have a resolution range of:

  • min: 50 x 50 pixels
  • max: 9000 x 9000 pixels

Here is a selection of OCR Engines that you can choose from, according to your needs, throughout the Document UnderstandingTM Framework.

OCR Engine

Activity Pack

Debug Logs Format in Logs Folder

Reports Confidence

UiPath Extended Languages OCRUiPath.OCR.Activities${date:format=yyyy-MM-dd}

Yes

UiPath.OCR.Activities

${date:format=yyyy-MM-dd}

Yes

OCR for Chinese, Japanese and KoreanUiPath.Core.Activities.CjkOCR${date:format=yyyy-MM-dd}

Yes

UiPath.OmniPage.Activities

${date:format=yyyy-MM-dd}

Yes

UiPath.UIAutomation.Activities

${date:format=yyyy-MM-dd}

No if DetectionMode is set to TextDetection (default)

Yes if DetectionMode is set to DocumentTextDetection

UiPath.UIAutomation.Activities

${date:format=yyyy-MM-dd}

No if UseReadAPI is not selected (default)

Yes if UseReadAPI is selected

UiPath.UIAutomation.Activities

${date:format=yyyy-MM-dd}

No

UiPath.UIAutomation.Activities

${date:format=yyyy-MM-dd}

Yes

Note: When debugging errors, you can always visit the logs folder and check the relevant OCR log files. Read more about logging here.

Was this page helpful?

Get The Help You Need
Learning RPA - Automation Courses
UiPath Community Forum
Uipath Logo White
Trust and Security
© 2005-2025 UiPath. All rights reserved.