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Watermark PDF

Add text watermark to your PDF

Drag & drop your file here

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Accepted formats: .pdf · Max 50 MB per file

Protect your intellectual property or brand your documents effortlessly. Our free online PDF watermarking tool lets you add custom text or image watermarks to your PDF files directly in your browser. Customize opacity, position, and style to get the perfect professional look.

✦Why Use Our Watermark PDF Tool?

  • 🛡️

    Maximum Privacy

    All watermarking is done locally on your device. We never upload your sensitive documents to any external server.

  • 🖼️

    Text & Image Support

    Choose between adding custom text like 'CONFIDENTIAL' or uploading your company logo for professional branding.

  • 🎨

    Full Customization

    Complete control over font, color, size, rotation, opacity, and positioning on the page.

  • ⚡

    Instant Processing

    Apply watermarks to hundreds of pages instantly with our lightning-fast, browser-based processing engine.

✦How It Works

  1. 1

    Upload File

    Select the PDF file you want to watermark from your device.

  2. 2

    Configure Watermark

    Enter text or upload a logo. Adjust the opacity, size, color, and placement to your liking.

  3. 3

    Apply & Download

    Click apply to stamp the watermark on your document and download the secured PDF immediately.

Who Can Benefit from Watermark PDF Tool?

→Adding 'Confidential' or 'Draft' stamps to internal documents
→Branding client proposals with your company logo
→Protecting copyrighted e-books and digital products
→Marking invoices as 'Paid' or 'Overdue'

Frequently Asked Questions

Upload your PDF to PDFCraftor's Watermark tool, type your watermark text (or upload a logo image), customise the position, size, opacity and colour, then click "Apply". Download your watermarked PDF instantly.
Yes! You can add either text watermarks or image watermarks (such as your company logo). Both options support full customisation of position, size and opacity.
You have full control over the watermark opacity. Setting a lower opacity (e.g. 20-30%) creates a subtle watermark that protects your document without making the content hard to read.
Yes. By default the watermark is applied to every page of your PDF. This ensures consistent branding or protection across the entire document.
Completely free — no registration, no watermarks added by us, and no limits. All processing happens in your browser so your files remain private.
After entering your text, use the customization options to select your preferred font style, choose any color from the color picker, and adjust the font size to perfectly match your document's style.
Yes. Your documents are completely secure because PDFCraftor processes the watermark directly in your web browser. The files are not uploaded to our servers.
Yes, you can adjust the opacity to make the watermark appear transparent, allowing it to sit elegantly in the background without obscuring the main text.
No account is needed. You can use the watermark tool as a guest for free without any limitations or sign-ups.
Not at all. Adding a watermark layers the new text or image over your document without compressing or degrading the original PDF quality.