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Fix Corrupted Characters and Missing OCR When Creating a PDF
Question details
The user is experiencing corrupted characters when viewing or creating a PDF and cannot locate the OCR (Optical Character Recognition) setting to extract or fix the text.
- Product
- Adobe Reader / PDF
- Device & OS
- not provided
- Scenario
- Attempting to edit, read, or extract text from a scanned or corrupted PDF file.
- Observed behavior
- Characters appear corrupted, and the OCR setting is completely missing from the user's Adobe Reader application, preventing text recognition.
Check whether you are using a basic PDF reader or a full-featured PDF editor, as basic readers usually lack the OCR tools required to process scanned or corrupted text.
Upgrade to Adobe Acrobat DC to Access OCR Tools
Since Adobe Reader does not include OCR functionality, upgrading to a premium editor like Adobe Acrobat DC is required to recognize and fix corrupted text.
Adobe Reader is a free viewer designed strictly for viewing, annotating, and printing PDFs. It does not have the capability to edit text or perform Optical Character Recognition (OCR).
Download and install Adobe Acrobat DC, or sign up for a trial version if you do not currently have a premium license.
Launch Adobe Acrobat DC and open the PDF file containing the corrupted characters.
Navigate to the 'Tools' menu at the top of the interface and select 'Scan & OCR' or 'Recognize Text'.
Follow the on-screen prompts to run the OCR process. This will scan the document and convert the unreadable or image-based text into standard, editable characters.
Use WPS Office to Extract and Fix PDF Text with OCR
WPS Office includes a robust, built-in PDF editor equipped with advanced OCR (Optical Character Recognition) technology. You can easily recognize scanned documents, fix corrupted characters, and convert PDFs into fully editable Word documents without needing expensive software.
- 1. Open your PDF in WPS Office: Launch WPS Office and open the PDF file that contains the corrupted characters.
- 2. Navigate to the Tools tab: Click on the 'Tools' tab located on the top menu bar to reveal advanced PDF editing options.
- 3. Activate the OCR feature: Click the 'OCR' button to initiate the Optical Character Recognition tool.
- 4. Extract or convert the text: Select your desired output mode (such as 'Extract Text' or 'Convert to Word') and click 'Start' to generate a clean, editable version of your document.
Frequently Asked Questions
Why does my text look like gibberish when I copy it from a PDF?
This usually happens when the PDF is created with non-standard fonts, lacks embedded font data, or is poorly encoded. Using an OCR tool can scan the visual layout and generate a clean, copyable text version.
Does Adobe Reader have an OCR tool?
No, Adobe Reader is a free application strictly for viewing, annotating, and printing PDFs. To use OCR, you need a premium editor like Adobe Acrobat DC or an alternative like WPS Office.
How do I know if my PDF is an image or contains real text?
Try to select individual words with your mouse cursor. If the entire page is selected as one single blue block, it is an image-based PDF and requires OCR to make the text selectable and editable.
Can I fix corrupted characters without paying for Adobe Acrobat?
Yes, you can use alternative PDF editors equipped with OCR features, such as WPS Office, which provides accessible tools to convert and recognize scanned or corrupted text.
