Secure PDF watermarking
Our security measures include file encryption and deleting your documents from our servers after your work is completed. Rest assured that our platform is a secure place to watermark your PDF.
PDFに透かしを追加する
PDFに瞬時に透かしを入れられます！
Choose your File
or drag and drop
SSL Encryption - Supports PDF up to 100 MB and other formats and extensions up to 25 MB
With our PDF watermark tool, you can instantly:
- 既存のテキストの編集、追加、削除
- 直接署名または署名のアップロード
- 文書への直接描画
- あらゆる形式に対応：PDF、PNG、JPG、Word、Excel、PowerPoint
Read on to learn how to add a watermark to a PDF and make your documents more secure and professional.
PDFに透かしを追加する方法
1
Load your PDF
Upload your document to our site to begin
2
Select the watermark tool
Click the watermark option in the toolbar and place your watermark on the document
3
Customize your watermark
Adjust the text, font, size, opacity, color, and placement until it fits your needs
4
Save your watermarked PDF
Download the finished file to your drive
Why MergedPDF Is The Best Way to Insert a Watermark in a PDF
Watermark PDF files on any device
You can add a watermark to a PDF using any device, browser, or operating system. Our platform works on Macs, PCs, tablets, and smartphones! You can access the tool seamlessly on Chrome, Safari, Microsoft Edge, Firefox, and Opera.
Preserves original document structure
You don’t need to worry about the layout and formatting of your PDF. The only change will be the addition of the watermark. Our platform maintains all other elements of the document.
Advanced watermark customization
Upload your own watermark or create one via our toolbar. Position it where you want on the PDF, alter the size, and edit it as you please. Take advantage of all the tools at your disposal!
Effortless PDF watermarking
You couldn’t ask for a more user-friendly interface! Upload, add your watermark, and download the finished copy in minutes with our streamlined process. It’s that simple!
Versatile PDF watermarking for all needs
Whatever your purpose, you can trust MergedPDF’s tools to get the job done! We have everything you need to easily add or create a custom watermark for any document.
MergedPDF Offers Multiple PDF Solutions
Start by creating a free account and make it easy to edit, convert, compress, and split your files!
- Edit, convert, merge, and more with our platform
- Get unlimited edits and downloads
- Convert in multiple formats
- 100% private and secure uploads and editing
- 24/7 customer support
透かしツールに関するFAQ
Everything you need to know about adding watermarks to PDFs.
透かしをカスタマイズできますか？
はい、この便利なツールを使用すると、文書上の透かしのテキスト、フォント、サイズ、不透明度、色、位置を調整できます。
必要に応じて透かしをカスタマイズし、「変換」をクリックしてファイルに追加してください。
追加した透かしを削除できますか？
文書に追加した透かしを削除したい場合は、ツールバー右上の削除オプションをクリックしてください。
その後、別の透かしを追加したり、ファイルに他の変更を加えたりできます。
文書に透かしを追加する主な目的は何ですか？
文書に透かしを追加することで、知的財産の保護と識別が可能になります。透かしは、元の作成者を視覚的に示す役割も果たします。
文書が複数ページにわたる場合、透かしは全ページに追加されますか？
はい、当ツールはカスタマイズした透かしを文書の全ページに自動的に追加します。これにより、手動で各ページに透かしを追加する手間が省け、時間と労力を節約できます。
Is it possible to personalize the watermark?
Absolutely! With our PDF watermark creator, you can modify the following aspects:
• Text
• Font
• Size
• Opacity
• Color
• Placement
Just tailor the watermark to your preferences, then click "Convert" to apply it to your PDF.
• Text
• Font
• Size
• Opacity
• Color
• Placement
Just tailor the watermark to your preferences, then click "Convert" to apply it to your PDF.
Can I delete a watermark after adding it to my PDF?
Yes, you can remove a watermark while you’re still editing your document.
As long as the file is open in our tool, you can delete or modify it.
Once downloaded, the watermark becomes permanent and cannot be removed.
As long as the file is open in our tool, you can delete or modify it.
Once downloaded, the watermark becomes permanent and cannot be removed.
Is it safe to add watermarks with MergedPDF?
Yes, it is completely safe to use MergedPDF.
We use industry-standard SSL encryption to protect your files during processing. After finishing your edits, you can permanently delete your documents from our servers to keep your data secure.
We use industry-standard SSL encryption to protect your files during processing. After finishing your edits, you can permanently delete your documents from our servers to keep your data secure.
Can you add a watermark to a PDF on a smartphone?
Yes, you can add a watermark to a PDF from any smartphone. Our tool works on all devices, including phones and tablets.
It also works on all operating systems and web browsers, so you can edit your documents wherever you are, no matter which device you’re using.
It also works on all operating systems and web browsers, so you can edit your documents wherever you are, no matter which device you’re using.
Is it necessary to download any software for a PDF watermarking process?
No, you don’t need to download any software. Our tool works entirely online. This allows you to add a watermark directly from your browser.
All you need is an internet connection to upload, edit, and download your file.
All you need is an internet connection to upload, edit, and download your file.