Browser OCR toolkit

Make PDF Searchable

Add an invisible text layer over scanned pages so the PDF can be searched, copied, and indexed.

Drop scanned PDF files here

Batch OCR runs locally with controlled page-by-page processing.

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Create searchable PDFs from scans without uploading private documents.

The visual page is preserved while OCR text is embedded underneath.

Ideal for document archives and scanned office workflows.

This tool places recognized text behind scanned page images so the visible PDF can be searched and copied while retaining its original appearance.

Choose the right tool: Unlike OCR PDF text extraction, the output remains a PDF and gains a searchable text layer.

Selected files are processed in your browser and do not need to be uploaded to PDFStack servers.

It is a PDF whose scanned page image has an underlying text layer that supports search and text selection.

The visible page image is retained while recognized text is added as a searchable layer.

No. Recognition accuracy depends on scan quality, language and layout.

It is intended mainly for scanned or image-only pages; existing searchable PDFs usually do not need OCR.

Selected files are processed in your browser and do not need to be uploaded to PDFStack servers.

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