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Top 3 Ways to Remove Watermark from PDF Using AI Effectively

  • By Charlotte
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  • Updated on July 11, 2025
Introduction:
You may sometimes receive or download a PDF file with annoying watermarks. To facilitate your document viewing with a clean vision, you need to remove the watermarks. However, if you don't get the right tools, you can waste a lot of time. This post suggests several effective tools to remove watermarks from a PDF using AI without hassle. Whether it's the PDF editor software or online solutions, you can handle a large file with many pages and watermarks.
summary

Can AI Remove a Watermark from a PDF?

Of course, AI can detect and remove watermarks in documents, including PDF, and some online tools offer this function for free. The question is that you may encounter the failure of watermark removal.

  • You can remove watermarks from a PDF using AI if the watermarks are saved in the upper layer of the PDF. Most PDF applications are also available. AI algorithms can analyze your PDF and recognize the watermark positions.
  • If the watermarks are flattened to the PDF or merged into the PDF content, removing them is difficult. The majority of AI tools cannot help. This article introduces a practical way to remove watermarks from a PDF, in this case.
  • You are frustrated to remove watermarks if your PDF is password-protected to prevent editing. You need to remove the password security first.

Remove Watermark from PDF Using AI Tool - SwifDoo PDF

You can remove watermarks from a PDF using AI PDF software, SwifDoo PDF. This PDF editing software for Windows can preserve the document formatting, layout, and quality. It provides different options for you to remove all kinds of watermarks:

  • Directly update or remove regular watermarks in one click.
  • OCR a PDF to auto remove watermarks mixed with the PDF content as entire images when you are unable to achieve it in general ways.
  • Cover up the fewer watermarks in a PDF file with background color.
  • SwifDoo AI to summarize, translate, and proofread PDFs.

Remove watermarks from a PDF using the AI App’s Watermark Option

Step 1: Download and launch the PDF watermark remover with AI power to open your PDF file.

Step 2: Go to the top Protect, and click the Watermark option > Delete Watermark.

Remove Watermark from PDF Using AI Tool - SwifDoo PDF 1

Step 3: When a window pops up, click OK, and save the PDF without a watermark.

Remove Watermark from PDF Using AI Tool - SwifDoo PDF 2

Alternatively, you can choose Protect > Watermark > Update Watermark, delete the watermark text, and specify the page numbers to apply the changes.

Remove Watermark from PDF using the AI software's OCR

Step 1: Open the PDF with flattened watermarks in the SwifDoo PDF, and choose Edit > OCR.

Remove Watermark from PDF Using AI Tool - SwifDoo PDF 3

Step 2: Set the document language option, select the page range for watermark removal, and click Apply.

Remove Watermark from PDF Using AI Tool - SwifDoo PDF 4

Step 3: Once the OCR text extraction process ends, the AI Software can remove watermarks from the PDF automatically and open the PDF. Save the pure PDF. 

Remove Watermark from PDF Using AI Tool - SwifDoo PDF 5

Tips: SwifDoo PDF also allows you to remove a password from a PDF to obtain the watermark editing permission. Access the “Decrypt” feature under the “Protect” menu and then follow the steps above to remove watermarks from a PDF with the AI tool.

Free AI Watermark Remover from PDF: Dewatermark.AI

Dewatermark.AI is a free watermark remover recommendation that can remove basic watermarks from a PDF. It doesn't require you to upgrade your account to download the watermark-free file. The online platform also deals with image and video files and runs across desktop and mobile devices. It offers limited credits per day and limits the upload file size.

Explore how to remove watermarks from a PDF using AI online for free.

Step 1: Navigate to the free PDF watermark remover from Dewatermark.AI.

Step 2: Click Upload PDF to upload the PDF you wish to remove watermarks from using the AI.

Free AI Watermark Remover from PDF: Dewatermark.AI 1

Step 3: Click Get Full to start removing watermarks. Then, click Download Full.

Free AI Watermark Remover from PDF: Dewatermark.AI 2

Step 4: Save the downloaded un-watermarked PDF to your local folder.

PicWish AI to Remove Watermark from PDF

PicWish is worth trying if you desire to remove watermarks from a PDF using AI and see good effects. It is browser-based and doesn't require installation, making it convenient for instant tasks. The online tool has a clean, ad-free UI but needs your login to use.

Check out how to use the free AI tool to remove watermarks from a PDF.

Step 1: Open the PicWish website and select the clear PDF watermark tool.

Step 2: Click the Upload PDF(s) button to upload your watermarked PDF file.

PicWish AI to Remove Watermark from PDF 1

Step 3: Hit the Remove Watermark button to remove PDF watermarks with the AI without distorting faces where text is.

PicWish AI to Remove Watermark from PDF 2

Step 4: Click Download PDF File(s) to save the watermark-free version.

Conclusion

When you are given a PDF file with text or image watermarks, use the three AI to remove PDF watermarks with no loss of fidelity. The watermark removal results can vary by the watermark type and how the watermarks were saved. If you only have the need one or a few times, the free online methods would be great. However, web-based services may have privacy issues and are not that powerful.

To remove watermarks from a PDF using AI, regardless of the watermark type, SwifDoo PDF is capable, even for the flattened ones. If none of the methods work and the PDF contains only very few watermarks far from text, erase the watermarks little by little by white-outting. Or, try requesting the original document. SwifDoo PDF is also the best AI PDF reader to rely on if you’re supposed to read the PDF and generate a summary.

FAQs

  • Q: How do I remove a watermark from a PDF in Illustrator?
    One way to remove annoying watermarks of a PDF file is to use Adobe Illustrator. This is a manual workaround.
    • Open your PDF in Adobe Illustrator.
    • Choose View > Toolbars > Advanced Editing and enable the TouchUp Object tool.
    • Click and select the watermark, and press the Delete key on your keyboard.
    • Save the PDF without the watermark.
  • Q: Is it legal to remove watermarks from a PDF?
    If you have the permission or authorization to remove gamma or any other watermark from a PDF using AI, it is no problem. Any unconsented removal of a watermark violates the copyrights and may result in legal issues. Make sure you acquire the necessary permissions before getting started.

Charlotte has been in the software industry for 8+ years. She works for AWZWARE now as a passionate writer. She is good at providing simple guides to use various video, office and entertainment software. Charlotte also recommends many other useful tools to make your work and life easier. A food lover too.

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