Free & Instant

Add Watermark to PDF Online Free — Custom Text & Style

Stamp text watermarks across PDF pages with custom font size, opacity, color, and position.

Loading PDF Suite...
How It Works

Add Watermark to PDF in 4 Easy Steps

Convert PDF to PDF in seconds — no sign-up, no upload, no catch.

  1. 1

    Upload PDF Document

    Select the PDF file you wish to watermark.

  2. 2

    Configure Watermark Text

    Enter text like "CONFIDENTIAL" or "DRAFT", choose opacity, color, and placement.

  3. 3

    Apply Watermark

    Watermark is stamped onto every PDF page in your browser.

  4. 4

    Download Watermarked PDF

    Get your protected watermarked PDF document instantly.

Use Cases

Why convert PDF to PDF?

  • Mark draft documents before distribution
  • Add copyright or confidential stamps to legal PDFs
  • Protect proprietary research papers

Related PDF Tools Conversion Tools

Need to convert other formats? Try these popular free online tools.

.image.pdf
Image to PDF
.photo.pdf
Photo to PDF
.picture.pdf
Picture to PDF
.webp.pdf
WebP to PDF
.heic.pdf
HEIC to PDF
.xlsx.pdf
Excel to PDF
.pdf.pdf
Visual PDF Editor
.pdf.pdf
PDF Compress
FAQ

Frequently Asked Questions

Yes. You can adjust opacity from subtle transparent overlays to bold solid text.

Yes. Processing is performed locally on your device without server uploads.