# Scanned Document Tools

> Document scanning, OCR, deskewing, duplex merging, spread splitting, blank page removal and scan effects.

- URL: https://qilingtools.com/en/tags/scan
- Price: Free, no sign-up
- Privacy: Runs locally in the browser; files are never uploaded

## Tools (12)

- [Image to Text (OCR)](https://qilingtools.com/en/image/ocr): Free online OCR: pull Chinese, English and numbers out of screenshots, photos and scans, then copy or download as TXT. The model runs in your browser.
- [ID Card Copy](https://qilingtools.com/en/image/id-card-copy): Free online ID card copy maker: front and back laid out at the real 85.6×54mm on one A4 page, with an optional anti-misuse watermark. Export JPG or PDF.
- [Document Scanner](https://qilingtools.com/en/image/scan): Free online document scanner: detect the page in a phone photo, straighten it with perspective correction, remove shadows, and export a scan, JPG or PDF.
- [PDF OCR](https://qilingtools.com/en/pdf/ocr): Free online PDF OCR: recognise English, Chinese and digits in scanned PDFs in your browser and add an invisible text layer, so pages become searchable. Local.
- [Straighten Image](https://qilingtools.com/en/image/straighten): Free online image straightener: rotate by any angle to 0.1°, auto-detect tilted horizons, then crop the empty corners or fill them, with a guide grid.
- [Remove Blank Pages from PDF](https://qilingtools.com/en/pdf/remove-blank): Free online tool to remove blank pages from a PDF: it finds empty and near-blank scans, marks them on thumbnails you can toggle, sensitivity adjustable.
- [Merge Scanned Fronts & Backs](https://qilingtools.com/en/pdf/interleave): Combine a fronts PDF and a backs PDF from a single-sided scanner into correct duplex order, with reversed backs, 180° rotation, blank padding and preview.
- [Deskew PDF](https://qilingtools.com/en/pdf/deskew): Straighten skewed scanned PDFs and images: per-page skew detection (±15°, 0.1° steps), before/after preview, manual override, border removal, original sizes.
- [Scanned Look PDF](https://qilingtools.com/en/pdf/scan-effect): Give a digital PDF a scanned or photocopied look: seeded random tilt, grayscale or color, paper tint, grain, blur, toner specks, edge shadow and live preview.
- [Split PDF Spreads](https://qilingtools.com/en/pdf/split-spread): Split book-spread scans into single pages: left/right or top/bottom, auto gutter detection with per-page tweaks, right-to-left order, no recompression.
- [Chinese E-Invoice Extractor](https://qilingtools.com/en/pdf/invoice): Batch-extract Chinese VAT and digital e-invoice PDFs: number, date, buyer, seller, tax IDs, amounts, line items; QR cross-check, duplicates, CSV.
- [Split PDF by Separator Sheets](https://qilingtools.com/en/pdf/split-qr): Split a batch-scanned PDF at QR or barcode separator sheets, blank pages or marker text; keep or drop separators, name files from QR, print sheets.