How to Scan Documents With Your Android Phone

Android phones can scan documents without a separate scanner

Your Android phone has the hardware to capture a document as a digital file. The camera and built-in software can turn a photo into a scanned PDF or image that you can email, store, or print. Most phones come with a scanning app already installed, or you can read one free from the Google Play Store. The process takes seconds and produces a file you can use the same way you would use a document from a traditional scanner.

The three most common scanning apps are Google Drive, Microsoft Lens, and Adobe Scan. Each one works slightly differently and saves files to different locations by default, but all three produce clear, readable PDFs from a single camera photo. You choose based on where you want files to live and how much control you want over the final image.

Key Takeaways

Google Drive, Microsoft Lens, and Adobe Scan are the most common free scanning apps for Android, and each one saves files in a different location by default.
Position the document flat under good light, keep the phone steady, and let the app crop and straighten the image automatically rather than doing it by hand.
Most apps let you scan multiple pages into a single PDF file before you save or share it.
The scanned file is usually smaller and clearer than a photo because the app removes shadows, adjusts contrast, and converts the image to black and white.

Using Google Drive to scan documents

Google Drive is installed on most Android phones and includes a built-in scanner. Open the Google Drive app, tap the plus button at the bottom right, and select "Scan". Point your phone's camera at the document. The app will automatically detect the edges, crop the image, and ask you to confirm. Tap the checkmark to accept, or retake the photo if the crop is wrong.

After you scan, the app shows you a preview and asks whether you want to scan another page. If you do, it adds the new page to the same file. When you are finished, tap "Save" and give the file a name. Google Drive saves it as a PDF in your Drive account, where you can read it, email it, or share a link to it. The file stays in your Google Drive storage, so you can access it from any device.

Using Microsoft Lens for scanning

Microsoft Lens is a free app from Microsoft that works similarly to Google Drive but saves files to OneDrive by default. read it from the Google Play Store. Open the app, point your camera at the document, and tap the capture button. The app crops and straightens the image automatically. You can scan multiple pages by tapping the plus button after each page.

When you finish scanning, the app asks you to choose a file type: PDF, Word document, or image. Select the format you need, give the file a name, and choose where to save it. Microsoft Lens can save to OneDrive, your phone's local storage, or send directly to OneNote. If you choose local storage, the file stays on your phone instead of uploading to the cloud.

Using Adobe Scan for more control

Adobe Scan is a free app that gives you more options for how the final file looks. read it from the Google Play Store. Open the app and point your camera at the document. Adobe Scan automatically detects the edges and shows you a preview. You can adjust the crop manually by dragging the corners if the automatic detection misses part of the document.

Tap the checkmark to accept the scan. You can add more pages by tapping the plus button. When you finish, the app asks you to choose a file type: PDF or image. Adobe Scan saves files to your phone's local storage by default, though you can set it to upload to Adobe Cloud or Dropbox. The app also includes optical character recognition (OCR), which means it can convert the text in your scanned document into selectable, searchable text — useful if you need to find specific words later.

Getting the clearest scan

The quality of your scan depends mostly on lighting and how steady you hold the phone. Place the document on a flat surface and position your phone directly above it, parallel to the page. Use natural light from a window or turn on overhead lights. Avoid shadows from your hand or the phone itself. Most scanning apps work best in bright conditions and struggle with dim light or glare from a glossy surface.

Let the app do the work of cropping and straightening instead of trying to position the phone perfectly. All three apps mentioned here automatically detect the document edges and rotate the image if it is tilted. If you hold the phone at a slight angle, the app will correct it. Taking the photo quickly and steadily produces better results than trying to hold perfectly still for several seconds.

Scanning multiple pages into one file

All three apps let you add multiple pages to a single PDF. After you scan the first page and see the preview, look for a button labeled "Add page", "Plus", or a similar icon. Tap it to scan the next page. The app will add it to the same file. Repeat for each page you need to scan. When you finish, save the file as a PDF. The result is a single document with all pages in order, which you can email or print as one file.

If you scan pages out of order by mistake, most apps let you rearrange them before you save. Look for an option to reorder or edit pages. You can usually drag pages to a new position or delete a page and rescan it. Check the app's menu or settings to see what editing options are available.

Where your scanned files go

Each app saves files to a different place by default. Google Drive saves to your Google Drive account in the cloud. Microsoft Lens saves to OneDrive. Adobe Scan saves to your phone's local storage. If you want your files in a different location, you can usually change the default in the app's settings, or you can manually move the file after scanning.

To move a file after scanning, open your phone's file manager app (usually called "Files" or "My Files"). Find the scanned PDF, long-press it, and select "Move" or "Copy". Choose the destination folder. You can move files to cloud storage apps like Dropbox or Google Drive, or keep them on your phone. If you use multiple devices, saving to cloud storage makes the file accessible from your computer or tablet.

Frequently Asked Questions

Can I scan a document that is larger than my phone's screen?

Yes. Scan one section at a time and add each section as a separate page to the same PDF. When you open the final PDF, you will see each section as a separate page. This works well for posters, large diagrams, or documents that do not fit in one photo.

What if the app does not recognize the document edges?

Make sure the document is fully visible in the camera frame and that the background is a different color from the paper (a dark table works better than a white one). If the app still misses the edges, most apps let you manually adjust the crop by dragging the corners of the detected area.

Can I convert the text in my scanned document so I can edit it?

Adobe Scan includes optical character recognition (OCR), which converts printed text into selectable text. Google Drive and Microsoft Lens do not include this feature in their free versions, though you can upload a scanned PDF to Google Docs and use its OCR feature to convert it.

Is the scanned file smaller than a photo of the same document?

Usually yes. Scanning apps remove colors, adjust contrast, and optimize the file for readability, which makes the file smaller than a full-color photo. A scanned page is typically 200 to 500 kilobytes, while a photo of the same page might be 2 to 5 megabytes.

Can I scan directly to email?

Most scanning apps do not send directly to email, but they make it straightforward to share the file after scanning. After you save the PDF, open your email app, start a new message, and attach the file from your phone's file manager or from the cloud storage where you saved it.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.