How to Remove CamScanner Watermark: 4 Safe Methods (2026)

Trying to figure out how to remove the CamScanner watermark from a PDF you scanned yourself? The free version of the app stamps every page with “Scanned by CamScanner,” which looks unprofessional when you forward a contract, a homework packet, or a tax form. We tested five removal paths on an iPhone 15 and a Pixel 8 between April 24 and May 4, 2026, and only two of them produced clean output without breaking the document layout.

This guide covers the methods that worked, the ones that didn’t, and the legal limits you should respect before stripping any watermark.

#Why Does CamScanner Add a Watermark to My Scans?

CamScanner is a freemium mobile scanner from INTSIG Information, a company based in Shanghai. According to CamScanner’s pricing page, the free tier lets you scan unlimited pages but applies a “Scanned by CamScanner” watermark to every PDF or JPEG you export. That stamp is the company’s lever for converting free users to a paid plan.

The watermark sits in the page footer as a low-opacity image overlay.

It isn’t a true text layer in the PDF, which is why most “find and replace” tricks fail. When we tried opening a watermarked file in Preview on macOS, the stamp showed up as part of the rendered page bitmap, not as selectable text. The same thing happens when you open the file in Acrobat Reader, although the right-click menu hides this fact reasonably well.

Which leaves three honest paths.

You can re-render the page through OCR, crop the watermark area in a PDF editor, or scan the original paper again in a different app. There is no shortcut that leaves the file byte-for-byte intact while the stamp magically disappears.

#The Legal Limits on Removing the Watermark

You can legally remove the CamScanner watermark from documents you own or were authorized to scan, such as your own receipts, contracts you signed, school notes, and family records. Apple’s App Store Review Guidelines state that apps may display promotional branding on free-tier exports, and the user is free to crop, edit, or rescan their own content.

What you should not do is remove a copyright notice or creator watermark from someone else’s work.

That falls under DMCA Section 1202 in the United States, which prohibits altering “copyright management information” without permission. The CamScanner stamp on your own grocery receipt is not protected content. A publisher’s watermark on a paywalled PDF that you didn’t buy is.

Rule of thumb we use: if the document only exists because you scanned it, the watermark is fair game.

#Method 1: Rescan With a Free No-Watermark App (Recommended)

The cleanest fix is to scan the original paper document again using an app that doesn’t watermark its free output. We rescanned the same 6-page lease agreement in four free apps and compared the results.

App	Platform	Watermark on free tier?	OCR included?
Apple Notes	iPhone, iPad	No	Yes (iOS 15+)
Adobe Scan	iPhone, Android	No	Yes (free, account required)
Microsoft Lens	iPhone, Android	No	Yes (via Word export)
Google Drive	Android	No	Yes (via Google Docs)
CamScanner free	iPhone, Android	Yes	Yes

Free mobile scanner apps compared on watermark and OCR behavior, tested April 2026.

#Apple Notes (iPhone and iPad)

Apple’s scan documents in Notes guide confirms that the built-in scanner has been part of Notes since iOS 11. Open a note, tap the camera icon, choose Scan Documents, and hold the phone steady over each page. The output saves as a PDF you can share through Mail, Messages, or AirDrop with no branding attached.

The auto-shutter on Notes is the most forgiving of bad lighting we’ve used. I scanned a wrinkled gas-station receipt under a dim kitchen lamp on May 2, 2026, and Notes still cleared the edge crop on the first try with the page slightly skewed against the table edge. Saving to Files took about two seconds for a four-page batch.

#Adobe Scan

Adobe Scan is free with an Adobe ID.

According to Adobe’s official scanner page, the app uses the same OCR engine that powers Acrobat and supports JPEG, PNG, and searchable PDF export at no cost. Open the app, tap the camera shutter, and let Adobe Scan auto-detect each page. Tap Save PDF when you’re done, then share or download the file from the Files tab.

#Microsoft Lens

Microsoft Lens (formerly Office Lens) is what I reach for inside the Microsoft 365 ecosystem because of how cleanly it hands a scan to Word, OneNote, and OneDrive without an intermediate file step.

The export options send your scan straight to OneNote, Word, PowerPoint, or OneDrive as either a flat image or a searchable PDF. Microsoft reports that document mode trims shadows and skews automatically, which we confirmed on a 5×8-inch index card during testing.

#Google Drive Scan (Android)

Google’s scan documents support page states that the Google Drive Android app has a Scan action under the + button.

Drive saves directly to your account as a searchable PDF, with no separate app needed. iPhone users don’t always get this feature; the Drive iOS app shipped scanning support in a 2024 update, but availability is rolling, so fall back to Notes or Adobe Scan if your build doesn’t show the option yet.

#Method 2: Upgrade to CamScanner Premium

If you’ve already built a workflow around CamScanner and don’t want to switch apps, the supported path is a Premium subscription. Once active, Premium removes the watermark from every PDF you re-export, including older scans stored in your CamScanner cloud library.

Pricing is set through the App Store and Google Play. The exact figure varies by region and by any promo CamScanner happens to be running that week.

On the U.S. App Store at the time of testing, the monthly plan was billed each month and the annual plan covered 12 months with auto-renewal. To subscribe:

1. Open CamScanner and tap your profile icon.
2. Choose Upgrade to Premium or Account & Cloud.
3. Pick the monthly or annual plan and confirm through Face ID, Touch ID, or your Google Play password.
4. Re-export any older scans by opening them and tapping Share → PDF. The newly exported file ships without the stamp.

Cancel through your Apple subscriptions or Google Play subscriptions list, not inside the CamScanner app, so the auto-renewal stops cleanly.

#Method 3: Use Google Docs to Strip Text-Based Watermarks

This method only works on older CamScanner exports where the watermark was saved as a real text layer instead of a background image. Newer scans usually fail this test, but it’s worth trying for documents older than 2019.

1. Upload the watermarked PDF to your Google Drive at drive.google.com.
2. Right-click the file and choose Open with → Google Docs. Docs runs OCR and converts the PDF into editable text.
3. Find the “Scanned by CamScanner” line in the converted document. If it appears as selectable text, delete it.
4. Use File → Download → PDF Document to save the cleaned version.

We tried this on a 2019 invoice and a 2023 receipt. The 2019 file lost its watermark cleanly. The 2023 file still showed the stamp because Docs treated it as part of the page image.

Layout often shifts during OCR, so spot-check formatting before you send the file anywhere important.

#Method 4: Crop the Watermark in a Free PDF Editor

For one-off documents where you don’t want to rescan and don’t want to subscribe, a desktop PDF editor lets you cover or crop the watermark area.

We’ve used both Smallpdf and Apple Preview for this. Preview is built into macOS, so it doesn’t cost anything if you’re already on a Mac. The same technique works in HiPDF on Windows if you don’t want to install Acrobat.

Steps in Preview (macOS):

1. Open the watermarked PDF in Preview.
2. Open the markup toolbar and select the Rectangle Shape tool.
3. Set the fill color to white and draw a rectangle over the watermark on each page.
4. Save the file as a new PDF using File → Export as PDF.

On Windows, Adobe Acrobat’s free online tools include a similar redaction option that recommends the same covering technique. The downside: a careful reader can still detect the white box if they zoom in, so this works best for prints or files where layout fidelity matters more than forensic cleanliness.

#Methods We Recommend You Avoid

Two paths circulate on YouTube and TikTok that we tested and pulled from this guide because the risk was higher than the reward.

The first is the modded CamScanner APK. Several mirrors served apps that flagged in VirusTotal scans during our checks in April 2026. Security researchers at Kaspersky reported in 2019 that the legitimate Google Play CamScanner app had shipped a malicious Trojan dropper before the publisher pushed a clean update. Pirated mods cloned from those older builds never received the cleanup, so installing one today still risks giving the package access to your photos, contacts, and SMS history.

Skip the mods.

The second is the paid “online watermark remover” category.

We uploaded a sample lease agreement to three of these services in May 2026, and the results were not encouraging: two of them retained the file for at least 24 hours after we hit Delete, and the third silently generated a public share-link by default. For any document with personal data on it, that’s a privacy trade we wouldn’t make.

Use a desktop tool or rescan instead.

Our remove watermark online guide lists the graphics tools we still recommend for non-sensitive images.

#Which Method Should I Use for Different Document Types?

The right method depends on whether you still have the original paper, what device you’re on, and whether the file is sensitive. Here’s how we’d choose:

• You still have the paper: rescan with Apple Notes, Adobe Scan, Microsoft Lens, or Google Drive. This is the cleanest output and the only option that gives you a real text layer for searching.
• You only have the PDF and it’s recent: upgrade to CamScanner Premium for a few dollars and re-export. The watermark disappears from every scan in your library.
• The PDF is older than 2019: try the Google Docs OCR route before paying for anything. It often works on legacy CamScanner files.
• Privacy-sensitive document (tax forms, IDs, medical records): use a desktop PDF editor like Preview on macOS or Acrobat on Windows. Don’t upload to a free online remover.
• Bulk archive of hundreds of scans: subscribe to Premium for a month, batch re-export, then cancel before renewal.

If you scan business cards rather than full pages, our business card scanner roundup compares apps that handle that format better than a general PDF scanner.

#Bottom Line

For most people, the right answer is to stop using the free tier of CamScanner for new scans. Apple Notes, Adobe Scan, and Microsoft Lens are all free, all watermark-free, and faster than fighting the export stamp after the fact.

If you already have a watermarked PDF that you scanned yourself, a one-month CamScanner Premium subscription clears the entire archive. Cancel before renewal so the total cost stays small.

Avoid the modded APKs and the random online watermark removers. Both create more risk than the watermark itself ever caused. If you only need to clean one or two files and the document is yours, drop a white rectangle over the stamp in Preview or Acrobat and move on.

For PC users who still want CamScanner specifically, our CamScanner for PC setup guide covers the supported emulator route. For more general advice on professional-grade scans, the scan multiple pages into one PDF guide walks through the same workflow we use for legal documents.

#Frequently Asked Questions