iPhone scanning guides

Straight answers to what people actually ask about scanning on an iPhone — exporting PDFs, OCR accuracy, signing, working offline, and what happens to your documents.

• What is the best PDF scanner app for iPhone?

  There is no single best iPhone scanner app, because the apps differ on three things that matter to different people: whether pages are processed on the...

• How do I convert a scan to JPG on iPhone?

  Scan the page, then choose JPG export instead of PDF. PDF Scanner exports both formats free with no watermark, so the choice is purely about what the...

• Do I need an account to use PDF Scanner?

  No. PDF Scanner does not require an account to start scanning, and it does not require one to export. You can install it, capture a page, correct it, and get...

• How do I fix a crooked or skewed scan?

  Use crop and perspective fix to drag the four corner handles onto the real corners of the page, and the scan is warped back into a true rectangle; use rotate...

• Is there a free PDF scanner app for iPhone with no watermark?

  Yes. PDF Scanner saves and exports to PDF or JPG for free, and the exported file carries no watermark, no stamp and no trailing "scanned with" page. You do...

• Is it safe to scan documents with an iPhone app?

  It is safe when the app does the work on the device and unsafe to assume otherwise, because the difference between scanner apps is where your pages go. PDF...

• How do I OCR a scanned document on iPhone?

  Scan the page, straighten it, then run OCR — PDF Scanner uses Apple's on-device text recognition, so no image is uploaded and it works with no connection. It...

• How do I get rid of glare and shadows when scanning?

  Move the light, then move yourself — side lighting removes your own shadow, and stepping a little off-axis slides a reflection off the page. Only then use...

• How do I scan book pages without damaging the spine?

  Do not force the book open — capture one page at a time at the angle the book opens comfortably, using Book mode in PDF Scanner, and let perspective...

• How do I scan a document on iPhone without a scanner?

  Use your iPhone camera with a scanner app: point it at the page, let it detect the edges, and export a PDF. A phone camera plus automatic edge detection and...

• How do I scan both sides of an ID card into one PDF?

  Use ID card mode in PDF Scanner, capture the front, turn the card over and capture the back into the same document, then export a single PDF containing both...

• How do I scan multiple pages into one PDF on iPhone?

  Keep capturing pages into the same document instead of starting a new scan for each one, then export a single time. PDF Scanner writes multi-page documents...

• How do I scan a QR code with my iPhone?

  Open PDF Scanner, switch to QR mode, and hold the code steady in the frame — it decodes and shows you the contents. The step people skip is reading the...

• What is the difference between scanning a document and just taking a photo of it?

  A photo records the page as it appeared from where you stood — tilted, with the desk in the background and your shadow across it. A scan detects the page...

• How can I scan a document without uploading it anywhere?

  Use an app that does the work on the phone rather than on a server. PDF Scanner captures with the iPhone camera and runs cropping, perspective correction and...

• Is there a scanner app that works offline?

  Yes. PDF Scanner works with no internet connection because everything it does happens on the phone — edge detection and capture, cropping and perspective...

• How do I share or print a scanned document from my iPhone?

  Export the scan as a PDF or JPG in PDF Scanner, then use the standard iOS share sheet to send it by message, mail or any app that accepts files — or choose...

• How do I sign a PDF on my iPhone?

  Scan or open the document in PDF Scanner, draw your signature with a finger or stylus, drag it onto the signature line, resize it, and export the signed PDF....