PDF900

Thêm watermark

Thêm watermark văn bản vị trí tùy chỉnh.

Xử lý cục bộ — tệp ở trên thiết bị của bạn

Thả tệp vào đây hoặc nhấp để duyệt

Tối đa 50 MB mỗi lô

Add a text watermark to every PDF page online — free, local, ideal for drafts and confidential docs.

  • Custom watermark text
  • Applied to all pages
  • Local processing

Mark Documents Before You Share

Add Watermark stamps CONFIDENTIAL, DRAFT, or custom text diagonally across every page.

Watermarks deter casual copying and signal document status before final release. Enter your text, upload a PDF, and download the marked file in seconds.

Watermarking runs locally — sensitive drafts never touch our servers.

Why watermark with PDF900

Custom text

Any label — CONFIDENTIAL, SAMPLE, internal codes.

Every page

Consistent watermark across the full document.

Local & free

No account, no upload — free to use.

How to add a watermark to a PDF

  1. 1

    Upload your PDF and enter watermark text.

  2. 2

    Click “Add Watermark”.

  3. 3

    Preview the result by downloading watermarked.pdf.

  4. 4

    Combine with Protect PDF for password security.

Watermark benefits

  • Contract Pack

    Watermark before sign & protect in one workflow.

  • Draft protection

    Clearly mark non-final versions.

  • Local privacy

    Files stay on device.

  • Free

    No Pro subscription needed.

Câu hỏi thường gặp

Custom text?
Yes — enter any text before processing.
Removable?
Embedded text watermarks are hard to remove; add password with Protect PDF for stronger control.
Uploaded?
No — runs in your browser.

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