# Lina Scanner

> Sharp documents. Private by design.

A premium on-device document scanner combining automatic perspective correction, offline OCR, full-text search and privacy masking in one capture flow.

- Developer: CommonSource
- Category: Productivity
- Platforms: iOS, Android
- Minimum iOS: 15.6
- Official product page: https://commonsourcelab.com/en/apps/lina-scanner

## Key experiences

### A captured document should be ready to use.

On-device OCR turns captured pages into searchable PDF or text, ready for immediate export. The action sheet keeps correction, recognition and conversion in one flow.

- The document action sheet for searchable PDF, text and export tools

### Move quickly through pages, without losing the edges.

Continuous capture gathers multi-page documents without interruption, while automatic edge detection straightens perspective. Nine filters and a restrained editor keep cleanup brief.

- High-speed continuous capture for multi-page scans
- Automatic detection of all four document corners
- A minimal editor with filters and essential tools

### Keep filing effortless and sensitive data on-device.

Reorder pages inside clear folders, then reach for background cleanup or sensitive-data masking when needed. OCR and enhancement stay on-device, with storage under your control.

- A folder view for arranging many scanned pages
- A tool hub for background cleanup and privacy detection
- Offline controls for OCR, masking and scan quality

## Essential features

- **Finished at capture**: Automatic edge detection straightens each page, while nine document filters clean up shadows and uneven lighting.
- **Searchable offline OCR**: Recognize Korean, English, Spanish and Japanese locally, then export searchable PDFs or plain text.
- **Two-layer privacy masking**: Sensitive numbers are detected automatically, softly obscured in-app and permanently masked on export.

## Made for

- Professionals working with contracts and receipts
- Students digitizing notes and handouts
- Anyone who wants document storage without a cloud account

## Privacy and notes

Capture, enhancement, OCR and search all happen on-device, without accounts, ads or forced cloud uploads.

## Frequently asked questions

### Does it work without an internet connection?

Capture, enhancement, OCR and search all run on-device, so everything works offline.

### Are scanned documents uploaded anywhere?

They are not. There is no account, no advertising and no forced cloud upload.

### Which languages does the OCR recognize?

Korean, English, Spanish and Japanese are recognized locally and exported as searchable PDF or plain text.

## Download

- [App Store](https://apps.apple.com/us/app/lina-scanner-pdf-scanner-ocr/id6791220218)
- [Google Play](https://play.google.com/store/apps/details?id=com.commonsourcelab.linascanner)