Add PDF Watermark

Apply copyright stamps, confidential tags, or company branding to PDF documents

100% In-Browser · Private

Watermark Settings

Live Preview — Page 1 of

Watermarked PDF downloaded — applied on every page.

Free Online Tool

Add PDF Watermark — Complete Guide & Instructions

MakeCard PDF Watermark lets you stamp text like “CONFIDENTIAL” or your own logo onto every page of a PDF — without uploading the document anywhere. Choose between a Text Stamp or an Image/Logo, then tune the size, rotation, color, opacity and placement (single centered mark or a repeated tile grid) while watching a live preview of page one. Password-protected files are supported too: enter the password once and the tool handles the rest.

How to Use Add PDF Watermark

  1. 1 Click “Choose PDF File” or drop a PDF onto the dropzone (up to 60 MB); enter its password if prompted.
  2. 2 Pick “Text Stamp” or “Image / Logo” in the Watermark Settings panel.
  3. 3 For text: type the watermark text, set size (16–120 pt), rotation (−90° to 90°) and color. For images: upload a PNG/JPG and set the scale.
  4. 4 Adjust the Opacity slider and choose Center or Tile (repeat) placement — the live preview updates instantly.
  5. 5 Press “Apply Watermark & Download” — the stamp is drawn on every page and the file downloads automatically.

Key Features & Capabilities

  • Two watermark types: custom text stamps and PNG/JPG image logos (transparent PNGs recommended).
  • Full styling controls — size, −90° to +90° rotation, preset/custom colors, 5%–100% opacity.
  • Center or Tile placement — tile mode repeats the mark in a 3×3 grid across each page.
  • Live rendered preview of page 1 so you can fine-tune before committing.
  • Opens and saves password-protected PDFs after a one-time password entry.
  • Watermark is applied to every page of the document, not just the preview.

Supported Formats & Specifications

Parameter Specification
Input PDF up to 60 MB; password-protected files supported
Text Watermark Custom text, 16–120 pt, 5 preset colors + custom picker, −90° to 90° rotation
Image Watermark PNG (transparency supported) or JPG, 10%–90% of page width
Placement Centered single stamp or 3×3 tiled repeat, 5%–100% opacity
Output <original>-watermarked.pdf — every page stamped, original untouched

Practical Everyday Use Cases

  • Stamping “CONFIDENTIAL” or “DRAFT” across internal reports before circulation.
  • Adding a company logo to quotations, invoices and brochures sent to clients.
  • Marking certificates and mark sheets as “COPY” to prevent misuse.
  • Tiling a light watermark over tender documents and legal drafts.
  • Branding a portfolio or proposal PDF before sharing it with a customer.

Pro Tips for Best Results

  • Use Tile mode at 15–25% opacity for security watermarks — it is harder to crop out than a single centered stamp.
  • Transparent PNGs make the cleanest logo watermarks; JPGs come with a solid white box.
  • A −45° diagonal rotation is the classic “CONFIDENTIAL” look and stays readable over dense text.
  • Keep opacity below ~30% so the underlying content remains readable on screen and in print.

Common Problems & Solutions

The file is encrypted — enter the document password in the password field first, then apply the watermark again.

The image is a JPG or has no alpha channel. Export your logo as a transparent PNG and re-upload it.

Use the Opacity slider — 20–30% suits most text; bump it higher for faint draft markings, lower for dense pages.

Privacy & Security

100% Client-Side Execution

The PDF, the watermark image and any document password are all processed inside your browser — nothing is uploaded or stored on a server.

No server uploads No data logging Safe for personal documents
FAQ Section

Frequently Asked Questions

Everything you need to know about using Add PDF Watermark

Yes — type the text, choose Tile placement for a repeated diagonal grid or Center for one large stamp, and the mark is applied to all pages at once.

Every page. The preview shows page 1 for tuning, but the final saved PDF carries the watermark across the entire document.

Yes — switch to Image / Logo mode and upload a PNG or JPG. A transparent PNG gives the best result since the page shows through the background.

Yes — the tool detects the password prompt, lets you enter it once, and the saved file keeps your watermark without the protection prompt for preview purposes.

Choose Tile mode with a moderate opacity (20–30%) and a diagonal rotation — repeated marks across the page are much harder to crop or edit out than a single corner stamp.

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