Hình mờ PDF
Thêm hình mờ văn bản vào mọi trang của PDF.
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MẬTThêm hình mờ văn bản vào mọi trang của PDF.
Thả PDF của bạn vào đây hoặc nhấp để chọn
PDF tối đa 100 MB
Xem trước
MẬTTo add a watermark to PDF pages is to stamp a visible mark on the document, such as CONFIDENTIAL, DRAFT or a copyright notice. That mark signals the file's status at a glance and reminds everyone who owns the content. A watermark also reinforces your branding by showing a name, a logo or a URL on every page.
With watermark, your mark can be text or an image, and you adjust its position, opacity and rotation so it stays readable without hiding the content. The mark is applied automatically to all pages of the PDF, keeping the presentation consistent. By making the document identifiable, a watermark PDF also deters unauthorised reuse or sharing of your files.
It is worth being honest: a watermark is a visual deterrent, not a security measure. A determined person can crop or remove it, and it does not stop the file from being opened. For real protection, encrypt the document with a password using protect, which blocks access for anyone who lacks the key.
A watermark pairs well with other finishing touches: page-numbers adds clear pagination, and headers places consistent headers or footers across the whole document. On the privacy side, pdfOutils asks for no sign-up and deletes your files automatically after processing, so choosing to add watermark to PDF never exposes your documents.
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Upload your PDF file into the drop area (or drag and drop it).
Configure
Thêm hình mờ văn bản vào mọi trang của PDF.
Download
Download the resulting document in one click — your files are deleted automatically after processing.
Upload your PDF, enter the watermark text (or import an image), adjust the position, opacity and rotation, then download the marked document.
Yes, the watermark is applied uniformly to all pages of the document in a single operation.
Yes, you can apply a text or image watermark (such as a logo) and adjust its opacity, position and rotation. A lower opacity keeps the document readable beneath the watermark.
By default the watermark is added to all pages so the whole document is protected consistently. Once saved, it becomes part of the PDF and cannot be removed with a single click.
Yes, this tool is 100% free with no usage limits. No sign-up, no credit card and no watermark added to your documents.
Yes. Your files are processed securely and automatically deleted from our servers after processing. Nobody has access to them.