How to convert a scanned PDF into searchable text?
- Step 1: Upload an image-only PDF
Upload scanned documents or photos converted to PDF where text cannot be selected.
- Step 2: Select recognition language
Accurately select the language of the document (English, Chinese, Japanese, etc.) in the dropdown menu for the highest recognition rate.
- Step 3: Wait and download
The engine will perform deep OCR extraction page by page, then generate a dual-layer PDF where text can be freely copied and searched.
Why use this OCR tool?
- High-precision cutting-edge AI models
Employs industry-leading Tesseract and deep learning visual models to maintain stunning accuracy even on harsh lighting, skewed, or slightly blurry scans.
- Perfectly preserves dual-layer structure
We don't just give you a raw TXT file! The generated PDF contains an invisible text layer perfectly aligned over the original image, keeping the 100% original layout while allowing highlighting and copying.
- Multi-language mixed recognition
Perfectly supports accurate recognition of dozens of mainstream languages to meet global document processing needs.
OCR Recognition FAQ
Currently, our core OCR engine is primarily trained on massive datasets of 'printed text'. For handwriting, especially messy cursive, the current recognition rate still has limitations.
OCR (Optical Character Recognition) is a heavily compute-intensive AI task. To avoid crashing your local device, we utilize high-performance GPU clusters in the cloud to scan word by word, which takes time for high-res images.
The text content inside the table can be accurately extracted and overlaid in its original position, allowing you to highlight numbers. But to export the entire table structure perfectly to Excel, we recommend using a dedicated PDF to Excel tool.