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OCR PDF guide

How to OCR a PDF privately without uploading it

Run the current English OCR engine in the browser so the selected PDF does not need to be sent to PDFKaka.

Updated September 2026 · PDFKaka EditorialOpen OCR PDF
Create an original diagram for “How to OCR a PDF privately without uploading it” using the verified input, processing, and output boundaries for OCR PDF.

What OCR adds to a scanned PDF

  • Run the current English OCR engine in the browser so the selected PDF does not need to be sent to PDFKaka.
  • Review the searchable copy locally and remove sensitive files from shared device storage when appropriate.

What the current OCR can reliably recognize

Printed English OCR only; recognition is best-effort. Handwriting and other languages are not supported as reliable workflows.

FAQ

Does PDFKaka OCR handwriting or every language?

No. The current OCR is intended for printed English and uses best-effort recognition. Handwriting and other languages are not supported as reliable workflows.

What is the current input limit for OCR PDF?

PDF; One PDF ≤50 MiB, ≤100 pages; ≤25 scanned pages for OCR.

What does OCR PDF create?

recognition is best-effort, not a guaranteed transcription; Searchable PDF ≤150 MiB.

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