Add OCR to PDF Files
Convert scanned PDFs into searchable documents. Add text layer to image-based PDFs for easy searching, copying, and indexing.
More information about this conversion
From simple conversions to a more complex automation using workflows, PDFengine provides professional-grade tools for every PDF task.
Advanced Text Recognition
Through state-of-the-art OCR technology, with automatic language recognition for over 20 languages, text can be accurately recognized for any document. Transform non-searchable content into fully accessible text.
Batch OCR Processing
Process multiple scanned PDFs simultaneously or upload ZIP archives containing multiple files for efficient batch OCR conversion with consistent quality.
Even greater efficiency with PDFengine workflows
Take document management to the next level by combining and sequencing PDF conversion, optimalization, and/or organization tools. With fully customizable workflows, complicated PDF tasks cost just seconds to complete.
Why choose us to convert your files
Lightning Fast Conversion
Our advanced conversion engine processes your files in seconds, not minutes. Upload, convert, and download - all within moments.
Focus on business
Archive and convert email, AutoCAD, Visio, and Office files in one streamlined workflow. Perfect for companies with recurring document processes.
Perfect Quality Every Time
Our intelligent algorithms preserve formatting, fonts, images, and layouts. What you see is what you get - no quality loss.
How it works
Process your documents easily and quickly in three steps
Upload Scanned PDFs
Select your scanned PDF files or upload a ZIP archive containing multiple image-based documents.
OCR Processing
Our advanced OCR engine analyzes and recognizes text in your documents, creating a searchable text layer.
Download Searchable PDFs
Get your OCR-processed PDFs with searchable text. Multiple documents are packaged in a ZIP archive.
Frequently Asked Questions
What is OCR and why do I need it?
OCR (Optical Character Recognition) converts images of text into actual searchable and selectable text. This is essential for scanned documents, making them copyable and editable as well.
How accurate is the OCR recognition?
Our OCR technology achieves high accuracy rates, typically 95-99% for clear scanned documents. Accuracy depends on the quality of the original scan.
Can I OCR multiple files at once?
Yes, you can upload multiple PDF files or a ZIP archive containing up to 50 files for batch OCR processing.
What languages are supported for OCR?
Our OCR engine supports over 20 languages including English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Chinese, Japanese, and many more. The system can automatically detect the document language.
Why is it handy to convert my document to PDF?
Converting a file to PDF ensures your document stays consistent and accessible. PDFs lock in formatting, design, and structure, preventing layout shifts that can happen with editable file types. They’re compatible with virtually all devices and operating systems, making them ideal for professional documents, forms, reports, and presentations. PDFs are also easy to distribute; whether through email, downloads, cloud platforms, or QR-codes that let users open a file instantly on their phone.
Will documents lose quality when converted?
Our intelligent software minimizes quality loss when converting documents. As such, documents can be converted without having to worry about quality loss for a great number of times.
Will my document lay-out or format be changed if I convert it?
No; our intelligent PDF software recognizes document layouts and transforms them accurately onto a new file format. Was your lay-out or format not transformed accurately? Consider applying OCR, or applying different customization settings to convert it correctly.
Can I convert a document into PDF and convert it back into original format?
Yes! There are no limits to converting documents, and documents can safely and easily be converted back and forth. Conversion can be handy to edit a PDF document in Word, and later convert it back into an organized PDF format.
How can I merge PDF documents?
To merge PDF documents simply go to our converter, choose the file format you’re merging, and drag and drop the files you want to merge. Then you have the opportunity to edit some settings, press merge, and you’re done! You can download your merged file right away.
Can I customize my PDF documents while converting?
Yes, PDFengine offers various means of customizing your (PDF) documents. Consider adding a cover page, applying OCR, or using PDF/A as output.
Why is the text in my PDF not displayed correctly?
If the text is not copyable, clickable, or searchable, that means the text is not recognized within the PDF. Try uploading your document onto PDFen and applying OCR. OCR technology will make your text readable. In case it doesn’t work completely in one go: apply OCR a second time.
Ready to Make Your PDFs Searchable?
Transform scanned documents into searchable, selectable PDFs with advanced OCR technology.
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