# How to Scan a Document to PDF on Mac (From a Photo) Canonical: https://filevale.com/guides/scan-document-to-pdf-on-mac/ Updated: 2026-10-31 > Scan a document to PDF on Mac from a photo, AirDrop or screenshot: crop and straighten the page, combine pages into one PDF and pull out the text. To scan a document to PDF on a Mac, you need a picture of the page first, then a tool that crops it to the paper edges, straightens it and saves it as a PDF. Most Macs have no scanner attached, so in practice the "scan" is a photo from your iPhone, a picture already in Photos, or a screenshot of a page someone sent you. The hard part isn't making a PDF. It's making one that looks like a scan: no table edge in the frame, no tilted lines of text, no grey shadow across the page. This guide covers the built-in Mac options, then a browser workflow that works on any Mac with Safari or Chrome. ## Why a plain photo makes a bad PDF If you drag a phone photo into Preview and choose **Export as PDF**, you get a PDF of the whole photo: the desk, your fingers, the page at an angle. It prints badly, it's often 4 to 8 MB per page, and the text looks skewed when someone zooms in. A real scan workflow does three things a plain export doesn't: - Finds the four corners of the paper and crops to them. - Corrects the perspective so the page is a flat rectangle. - Cleans up the background so the paper reads as white, not beige. ![Scan to PDF in the Filevale iPhone app: three pages straightened and filtered, with optional searchable text (OCR).](https://filevale.com/assets/app/scan-to-pdf.webp) ## Built-in options on macOS Your Mac already has two ways to capture a page, and both are worth knowing. - **Preview with Continuity Camera.** In Preview, choose **File > Import from iPhone or iPad > Scan Documents**. Your iPhone opens a camera, finds the page edges and sends the scan straight into Preview. This needs an iPhone signed in to the same Apple Account, with Wi-Fi and Bluetooth on. - **Notes.** In a note, use **File > Import from iPhone or iPad > Scan Documents** (or scan in Notes on the iPhone itself). The scan lands in the note; you can then share or export it as a PDF. Both work well when your iPhone is next to you. They don't help with a photo you took last week, an image a colleague emailed, or a screenshot of a contract page. That's where a photo-to-PDF tool comes in. ## Turn a photo of a document into a PDF in your browser [Open Scan to PDF](https://filevale.com/scan-to-pdf/) 1. Get the photo onto your Mac: AirDrop it from your iPhone, drag it out of Photos onto the desktop, or save it from Mail or Messages. 2. Open [Scan to PDF](/scan-to-pdf/) in Safari or Chrome and add the photos. You can add several pages at once, including HEIC photos straight from an iPhone. 3. Each page is auto-cropped to the paper and cleaned up. Check the crop, and adjust it if the table edge sneaked in. 4. Put the pages in the right order and download one PDF. The photos are processed on your Mac inside the browser tab; nothing is uploaded. If you just want images in a PDF without any cropping, for example screenshots that are already clean, [Image to PDF](/image-to-pdf/) places them one per page. Filevale for Mac is in App Review and coming soon to the Mac App Store. Until then, use the free web tools above on your Mac, or the [Filevale iPhone app](https://filevale.com/go/ios?src=guide-md). ## A worked example: a two-page lease from your iPhone Say your landlord handed you a signed two-page lease and you need to email a PDF tonight. Lay each page on a dark surface, take one photo per page from straight above with your iPhone, and AirDrop both photos to your Mac. They arrive in Downloads as HEIC files. Drop both into Scan to PDF, confirm the crops hug the paper, check that page 1 comes first, and download. You end up with one PDF where each page is a flat, cropped document instead of two photos of a table. ## Getting the text out of a scan A scanned PDF is a picture of text, so you can't search it or copy a sentence out of it unless text recognition has been run on it. On a Mac you have two quick routes: - Open the scan or the original photo in Preview and use **Live Text**: hover over the text, select it and copy it. This works on macOS Monterey and later. - For a PDF that already has a text layer, [PDF to Text](/pdf-to-text/) pulls all of it out into a plain text file you can paste anywhere. ## Tips for better scans - Shoot in daylight or under an even ceiling light, and hold the phone parallel to the page to avoid a shadow from your own hand. - Use a dark background behind white paper; edge detection works best with contrast. - One page per photo. A photo of two pages side by side crops into one wide page. - For multi-page documents, see our guide to [scanning documents into a PDF with your phone](/guides/how-to-scan-documents-into-pdf-with-phone/), which covers order and file size. ## Frequently asked questions ### Can I scan a document on a Mac without a scanner? Yes. Use your iPhone as the camera, either live through Continuity Camera in Preview or Notes, or by taking photos and moving them to the Mac with AirDrop. A photo-to-PDF tool then crops, straightens and combines the pages into one PDF, so you never need a flatbed scanner. ### How do I turn a photo into a PDF on a Mac? Open the photo in Preview and choose File, Export as PDF for a quick result that keeps the whole picture. For a document photo, use a scan tool instead: it crops to the paper edges and fixes the angle first, so the PDF looks like a real scan rather than a picture of a desk. ### Is my document uploaded when I use a browser tool? Not with Filevale. The Scan to PDF tool runs inside your browser tab using your Mac's own processor, so contracts, IDs and medical letters stay on your computer. You can even disconnect from the internet after the page has loaded and the tool keeps working. ### Why is my scanned PDF so large? Phone photos are 12 megapixels or more, far more detail than a printed page needs. Cropping to the paper already removes a lot of wasted pixels. If the final PDF is still too big for email, run it through a PDF compressor, which lowers image resolution while keeping the text readable.