| Engine | Best For | |--------|-----------| | | Multi-language, handwritten text | | ABBYY FineReader PDF | Degraded scans, tables, forms | | Google Cloud Vision OCR | Extremely low-quality or historical documents |
Ensure text is straight and images are not too dark or noisy. 2. Use "Optimize PDF" Before OCR Sometimes the file size or complexity interferes with OCR. Open the PDF in Acrobat DC. Go to Tools > Optimize PDF . Choose Optimize Scanned Page .
How to Fix Adobe Acrobat DC OCR Not Working: Ultimate Troubleshooting Guide
Acrobat DC uses GPU acceleration for OCR processing. Old drivers cause silent crashes. adobe acrobat dc ocr fix
For garbled output in a specific language (e.g., Korean, Chinese, Japanese):
: Keeps the original look but adds a searchable text layer behind it. Editable Text and Images
Which (Windows 11, macOS Sonoma, etc.) are you running? | Engine | Best For | |--------|-----------| |
Run fixup → then re-run Recognize Text .
Before engaging in complex repairs, try these fast solutions to resolve most OCR issues. 1. Re-run OCR with High-Quality Settings
We’ve all been there: you scan a critical document, run the Optical Character Recognition (OCR) in , and... nothing. The text remains an unselectable image, or worse, it turns into a jumble of gibberish. Open the PDF in Acrobat DC
Close Acrobat. Press Win + R , type %appdata%\Adobe\Acrobat\DC , and rename the Preferences folder to Preferences_Old . Reopen Acrobat to automatically generate a fresh preference file.
Select to see what is taking up space, then reduce image quality slightly to make processing easier. 3. Re-save the PDF as an Image First
If a color scan fails, convert the document to Grayscale or Black and White using the Enhance Scans tool before running OCR. Repair Damaged PDF Structure