What you can do with a scanned document depends on how it was created

A scanned document is a photograph of a paper page turned into a digital file. Whether you can edit it depends on whether the scan includes text recognition. If the scanner or app used OCR (optical character recognition), the text inside is searchable and editable. If it did not, you have an image file with no selectable text — you can crop, rotate, or adjust brightness, but you cannot change the words themselves.

Most modern scanners and scanning apps default to OCR, so your scanned document probably can be edited as text. The steps differ depending on what software you use and what kind of change you want to make. Changing a few words is straightforward. Removing or rearranging large sections takes more work.

Key Takeaways

  • Scanned documents with OCR (text recognition) can be edited in word processors like Microsoft Word or Google Docs by opening the PDF and making changes directly.
  • If your scan has no text recognition, you will need to use OCR software first to convert the image into editable text before you can change the words.
  • Removing content from a scanned document is easier in PDF editors than in word processors, since PDF editors let you delete text without shifting the layout.
  • Rotating, cropping, or adjusting brightness works on any scanned file, even without OCR, using free tools like Preview on Mac or built-in Windows photo apps.

Check whether your scan has text recognition

Open your scanned file in a PDF reader or word processor. Try to select text by clicking and dragging across a word. If the text highlights and you can copy it, the file has OCR and you can edit it. If nothing happens when you try to select, the scan is image-only and you will need to add text recognition first.

Most scanning apps (including Adobe Scan, Microsoft Lens, and Google Drive's built-in scanner) apply OCR automatically. Phone photos of documents usually do not have OCR unless you specifically ran them through a scanning app. If you are unsure, the selection test takes five seconds.

Edit text in a scanned PDF using Word or Google Docs

Microsoft Word and Google Docs both open PDFs and let you edit the text directly. In Word, go to File > Open and select your PDF. Word converts it to an editable document and preserves most of the formatting. You can then click into any paragraph, delete words, retype, and save the file as a Word document or PDF.

In Google Docs, upload your PDF to Google Drive, right-click it, and select "Open with" > "Google Docs". Google converts the PDF to a document you can edit in the browser. Changes are saved automatically. When you are done, download it as a Word file, PDF, or keep it in Google Docs. This method works well for simple text changes but may shift the layout if the original document had a complex design.

Use a PDF editor to remove or replace text

If you need to delete text without the rest of the document shifting around, a PDF editor gives you more control than a word processor. Adobe Acrobat (paid) and free alternatives like PDFtk, Sejda, or iLovePDF let you click directly on text in the PDF and delete it. The text disappears but the page layout stays the same.

To remove sensitive information like a name or account number, open the PDF in your editor, select the text, and delete it. Some editors also have a "redact" tool that blacks out text permanently. For replacing text, delete the old words and type new ones in the same spot. If the new text is longer or shorter, you may need to adjust spacing manually.

Add OCR to a scan that does not have it

If your scan is image-only, you need to run it through OCR software before you can edit the text. Free online tools like Tesseract, OnlineOCR, or ILovePDF's OCR feature will read the image and create a searchable, editable PDF. Upload your file, run the OCR, and download the result.

Adobe Acrobat (paid subscription) also includes OCR and works on batches of files at once. Microsoft OneNote has a built-in OCR feature — paste or insert your image into a note, right-click it, and select "Copy Text from Picture". The recognized text goes to your clipboard and you can paste it into a document to edit.

Rotate, crop, or adjust brightness without OCR

You can change how a scanned document looks without needing text recognition. On Mac, open the file in Preview, click Tools, and choose Rotate, Crop, or Adjust Color. On Windows, open the file in the Photos app or Paint, and use the built-in editing tools. These changes work on any image file, whether it has OCR or not.

Rotating is useful if the scan came out sideways. Cropping removes blank space or unwanted edges. Adjusting brightness and contrast helps if the scan is too dark or too light to read. After you make changes, save the file with a new name so you keep the original.

Save your edited document in the right format

After editing, decide what format to save in. PDF keeps the document looking the same on any device and is hard to edit further, so it is good for final versions. Word format (.docx) stays editable if you need to make more changes later. Plain text (.txt) removes all formatting but works everywhere.

If you edited in Google Docs, you can download as PDF, Word, or other formats from the File menu. If you edited in Word, use File > Save As and pick your format. If you used a PDF editor, it usually saves back to PDF by default. Keep the original scan in case you need to refer to it.

Frequently Asked Questions

Can I edit a scanned document on my phone?

Yes, but it depends on the app. Adobe Acrobat Reader (free) on iPhone or Android lets you open and view PDFs but not edit text. Microsoft Word and Google Docs apps both open PDFs and let you make text changes on your phone. For simple edits, these work well; for complex changes, a computer is easier.

What if the OCR got words wrong?

Open the document in your word processor or PDF editor and correct the mistakes by hand. OCR is usually accurate for clean, printed text but struggles with handwriting, old documents, or unusual fonts. Proofreading after OCR is normal. If errors are widespread, try re-scanning at a higher resolution or using a different OCR tool.

Can I remove a signature or name from a scanned document?

Yes, using a PDF editor or word processor. Select the text or image and delete it. For a signature that is part of an image rather than text, you may need to use a photo editor like Paint or Photoshop to paint over it. Be aware that removing information from official documents may have legal consequences depending on what the document is.

Does editing a scanned document change the original?

No, not unless you save over the original file. When you open a scan and make changes, you are working on a copy in your editor. Always use "Save As" to save with a new filename, so the original stays unchanged. This also gives you a record of what the document looked like before you edited it.

What is the difference between editing a PDF and a Word document?

PDFs preserve the exact layout and appearance across devices, but editing text can shift the page design. Word documents are easier to edit because text reflows automatically, but the document may look different on different computers. For simple text changes, Word is faster. For keeping the layout exactly the same, PDF editors work better.