How to ocr in adobe

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Last updated: April 4, 2026

Quick Answer: Adobe Acrobat Pro allows you to perform Optical Character Recognition (OCR) on scanned documents or images, converting them into editable and searchable text. You can initiate OCR by opening your PDF in Acrobat Pro and navigating to the 'Scan & OCR' tool, then selecting 'Recognize Text'.

Key Facts

Adobe Acrobat Pro is required for OCR functionality; the free Reader version does not support it.
OCR can be run on scanned documents, image-based PDFs, and even PDFs with selectable text that might have been created from images.
The 'Recognize Text' feature in Acrobat Pro automatically detects the language, but you can manually select it for better accuracy.
OCR preserves the original layout of the document as much as possible while making the text searchable and editable.
The accuracy of OCR depends on the quality of the original scan or image; clear, high-resolution documents yield the best results.

What is OCR and Why Use It in Adobe Acrobat?

Optical Character Recognition (OCR) is a technology that converts different types of documents into editable and searchable data. Essentially, it allows computers to 'read' text from images, scanned documents, or PDFs that are essentially pictures of text. In the context of Adobe Acrobat, OCR is a powerful tool that transforms static, image-based documents into dynamic, text-based ones. This means you can search for specific words or phrases within the document, copy and paste text, and even edit the content. This is incredibly useful for archiving paper documents, making inaccessible scanned files usable, and improving the overall efficiency of document management.

How to Perform OCR in Adobe Acrobat Pro

The process of performing OCR in Adobe Acrobat Pro is straightforward and can be done within the application itself. It's important to note that this functionality is available in Adobe Acrobat Pro, not the free Adobe Acrobat Reader.

Step-by-Step Guide:

Open Your Document: Launch Adobe Acrobat Pro and open the PDF file you wish to perform OCR on. This could be a scanned document, an image-based PDF, or even a document that seems to have text but isn't selectable.
Access the Scan & OCR Tool: In the right-hand pane of Acrobat Pro, locate and click on the 'Scan & OCR' tool. If you don't see it immediately, you may need to click on 'Tools' in the top menu bar and then select 'Scan & OCR'.
Select 'Recognize Text': Within the Scan & OCR tools, you will see an option for 'Recognize Text'. Click on this option.
Choose 'In This File': Acrobat will present further options. Select 'In This File' to run OCR on the currently open document.
Configure Settings (Optional but Recommended): Before processing, you can click 'Settings' to fine-tune the OCR process. Here you can:
- Select Language: While Acrobat often auto-detects the language, it's best to manually select the primary language of your document for optimal accuracy. You can select multiple languages if your document contains them.
- Output Style: Choose whether to 'Searchable Image' (keeps the original look, text is hidden underneath) or 'Editable Text and Images' (attempts to reconstruct the page with editable text and images).
- Downsample To: This setting affects the resolution of images in the PDF. Lowering it can reduce file size but might impact OCR accuracy if the original resolution is too low.
Run OCR: Click 'Recognize Text' to start the OCR process. Acrobat will analyze the pages and convert the image-based text into actual, selectable text.
Save Your File: Once the process is complete, save your PDF. The text within the document is now searchable and can be copied or edited.

Tips for Better OCR Accuracy

The effectiveness of OCR heavily relies on the quality of the input document. Here are some tips to improve the accuracy of your OCR results:

Scan at High Resolution: When scanning paper documents, use a resolution of at least 300 DPI (dots per inch). Higher resolutions capture more detail, leading to better text recognition.
Ensure Clear Scans: Avoid skewed or crooked scans. Ensure the document is flat and properly aligned on the scanner. Good lighting and contrast are also crucial.
Clean Up Documents Before Scanning: Remove any stray marks, smudges, or shadows from the document before scanning, as these can interfere with the OCR process.
Choose the Correct Language: As mentioned earlier, manually selecting the correct language in the OCR settings significantly boosts accuracy, especially for documents with special characters or non-standard fonts.
Review and Correct: No OCR process is 100% perfect. After running OCR, it's always a good practice to proofread the document, especially critical sections, and correct any recognition errors.

What to Do if OCR Isn't Working as Expected

If you're encountering issues with OCR accuracy or functionality, consider the following:

Check Your Acrobat Version: Ensure you are using Adobe Acrobat Pro DC or a recent version of Acrobat Pro. OCR is not available in Acrobat Reader.
Verify Document Quality: Re-examine the source document. If it's a very old, faded, or low-quality scan, OCR may struggle. Consider rescanning if possible.
Experiment with Settings: Try different settings within the 'Recognize Text' options. For instance, switching between 'Searchable Image' and 'Editable Text and Images' might yield different results.
Use Third-Party Tools (If Necessary): While Acrobat Pro is robust, if you consistently face issues with highly complex or poorly scanned documents, you might explore specialized third-party OCR software, though this is rarely needed for standard documents.

By following these steps and tips, you can effectively leverage Adobe Acrobat Pro's OCR capabilities to make your documents more accessible, searchable, and editable.