Does OCR upload the PDF or recognized text?
No. The OCR worker, English language data, and PDF processing assets are served by NullKit and run in the current browser.
- Same-origin English OCR model
Guide
Turn an image-only scan into a searchable review copy without uploading the document or sending its text to an AI service.
Recognize English printed text in scanned PDF pages locally and create a new image-based PDF with an invisible searchable text layer.
Clear answers
Turn an image-only scan into a searchable review copy without uploading the document or sending its text to an AI service.
Recognize English printed text in scanned PDF pages locally and create a new image-based PDF with an invisible searchable text layer.
Does it preserve the original PDF structure?
No. Selected pages are rendered and rebuilt as image-based pages with an invisible searchable text layer. Keep the original file.
- Searchable text layer and extracted TXT
Can it recognize handwriting or every language?
Not reliably. This initial release is for English printed text. Handwriting and other languages are outside its stated support.
- Page-by-page local progress and output receipt
A local check
Turn an image-only scan into a searchable review copy without uploading the document or sending its text to an AI service.
Recognize English printed text in scanned PDF pages locally and create a new image-based PDF with an invisible searchable text layer.
Selected file
Choose an unsigned scanned PDF.
Choose an unsigned scanned PDF.
Review before sharing
Searchable text layer and extracted TXT
Select the pages and OCR resolution.
Local verification
Run local recognition and wait for every selected page.
Run local recognition and wait for every selected page.
Search, copy, and inspect the output before relying on it.
Four local steps
Does it preserve the original PDF structure?
- 01
Same-origin English OCR model
Choose an unsigned scanned PDF.
- 02
Searchable text layer and extracted TXT
Select the pages and OCR resolution.
- 03
Page-by-page local progress and output receipt
Run local recognition and wait for every selected page.
- 04
Same-origin English OCR model
Search, copy, and inspect the output before relying on it.
Browser privacy
Local OCR and Searchable PDF Maker
Same-origin English OCR model
No. The OCR worker, English language data, and PDF processing assets are served by NullKit and run in the current browser.
Searchable text layer and extracted TXT
No. Selected pages are rendered and rebuilt as image-based pages with an invisible searchable text layer. Keep the original file.
Page-by-page local progress and output receipt
Not reliably. This initial release is for English printed text. Handwriting and other languages are outside its stated support.
Clear answers
Can it recognize handwriting or every language?
Not reliably. This initial release is for English printed text. Handwriting and other languages are outside its stated support.
- This first version recognizes English printed text and can make mistakes, especially with handwriting, columns, low-resolution scans, unusual fonts, or rotated pages.
- Pages are rebuilt as images with a hidden OCR text layer; original links, forms, tags, attachments, signatures, vectors, and accessibility structure are not preserved.
- The searchable text can contain recognition errors and must not be treated as an authoritative transcription.
Private workspace
Local OCR and Searchable PDF Maker
Turn an image-only scan into a searchable review copy without uploading the document or sending its text to an AI service.