Free online PDF tool

Add Watermark to PDF Online Free

Add a styled text watermark to all pages or selected PDF pages. Choose font, color, bold, italic, opacity, rotation, and placement for draft documents, samples, confidential files, and review copies.

Select files

Drop files here or choose from your device.

File privacy and limits

This tool is designed to process files in your browser where possible. That means your selected files are handled on your device instead of being uploaded to a We Love Free PDF server.

Very large PDFs can still be slow because your browser has to do the work. For a smoother experience, use smaller files when possible and always check the downloaded result before sharing it.

How to use Add Watermark

  1. Upload your PDF file.
  2. Enter watermark text and choose font, color, style, pages, and position.
  3. Click Add Watermark and download the new PDF.

Why use this tool?

15+ font choices
All pages or selected ranges
Adjust color, size, opacity, rotation, and position

Add a watermark that looks intentional

A watermark should protect or label a document without making it hard to read. Keep the text short, choose a color with enough contrast, and lower the opacity when placing it across the page. Common watermarks include Draft, Confidential, Sample, Paid, Approved, or a company name. If your document is already busy, use a lighter watermark or place it in a corner instead of across the center.

This tool lets you preview the PDF and place the watermark where it fits. That matters because a watermark over a signature, invoice amount, or important table can create confusion. For documents that also need a signature, rotate pages first with Rotate PDF, add the watermark, and then add the signature with Sign PDF if needed.

Choosing page range, size, color, and opacity

Use all pages when the watermark is part of the document status, such as Confidential or Draft. Use specific pages when only a cover page, certificate, invoice, or preview page needs marking. A diagonal watermark is more visible, while a corner watermark is more subtle. For readability, avoid making the watermark the darkest element on the page.

Font size should match the purpose. Large watermarks are useful for drafts or samples, while small watermarks work better for brand names and internal document labels. Test the downloaded result at normal zoom and phone zoom. A good watermark is visible enough to communicate its message but gentle enough that the main document remains easy to read.

Watermark workflow for business and school files

For business files, a watermark can help distinguish drafts from approved versions. For school files, it can identify a sample worksheet or personal copy. For freelance work, it can mark a preview before final delivery. If you need to combine several watermarked files, apply the same settings across each file or merge them first with Merge PDF and watermark the final document.

Do not use a watermark as your only security method for highly sensitive files. It is a visual label, not encryption. If you need to restrict opening a file, use Protect PDF when appropriate, and still avoid uploading private documents anywhere unless you understand how that tool handles data.

Using watermarks without damaging the document

A watermark should support the document, not fight it. Before placing one, look for signatures, totals, table columns, and official stamps. Put the watermark away from those areas or lower the opacity so the original information stays clear.

For draft documents, a center watermark is fine because the label is meant to be obvious. For brand labels or internal copies, a smaller corner watermark usually looks cleaner and keeps the page professional.

Add Watermark FAQ

Can I add a watermark to selected pages?

Yes. Leave the page range blank for all pages or enter ranges such as 1-3, 5.

Can I add confidential text to a PDF?

Yes. Type Confidential, Draft, Sample, or any custom text and style it with font, color, size, bold, and italic options.

Is the watermark added for free?

Yes. The tool is free and works in your browser.

Can I add a watermark to only selected pages?

Yes. Use the page or range option when you only want the watermark on certain pages, such as a cover, draft page, or invoice page.

What opacity should I use for a watermark?

A lighter opacity is usually better for reading. Start subtle, download the PDF, and increase opacity only if the watermark is too hard to see.