Add Watermark to PDF
Easily Add Custom Text or Image Watermarks to Your PDFs to Protect, Brand, and Secure Your Documents in Seconds!
Processing PDF…
Drag & drop your PDF here
or click to browse — up to 50 MB
Preview
Upload a PDF to see live preview
Watermark Settings
Live preview — drag the pad or adjust settings
Click or drag an image (PNG, JPG)
How to Use This PDF Watermark Tool?
Using our PDF watermark tool is quick and simple. Drag your PDF file directly onto the upload area, or click to browse your device – files up to 50 MB are supported. Once your PDF is loaded, choose between a Text Watermark or an Image Watermark using the tab switcher.
For a text watermark, type your desired watermark text — such as CONFIDENTIAL, DRAFT, or your company name – then customize the font size, opacity, rotation angle, color, and position using the easy controls. You can place the watermark at the center, any corner, or along any edge of the page using the 9-position grid.
For an image watermark, click the image upload area or drag a PNG or JPG logo onto it, then adjust the size and opacity to your liking.
Once your settings are ready, click Apply Watermark – a live preview will appear instantly so you can review every page before saving. When you’re happy with the result, click Download PDF to save your watermarked file directly to your device.
What is a PDF Watermark Tool?
A PDF watermark tool is a free online utility that lets you stamp text or a logo image onto every page of a PDF document – without needing Adobe Acrobat or any desktop software. Whether you need to mark a document as CONFIDENTIAL, add a DRAFT label before sharing a proposal, or brand a PDF with your company logo, this tool handles it all directly in your browser in seconds, with no sign-up or installation required.
Our online PDF watermark tool is especially useful for freelancers, lawyers, designers, and business owners who regularly share PDF documents and need a fast, reliable way to protect or brand them. Watermarking a PDF before distribution deters unauthorized use, signals document status, and reinforces brand identity – all without altering the original file on your device.
Because the entire process runs locally in your browser using JavaScript, your PDF is never uploaded to any server. Your documents stay completely private and secure from start to finish.
Why Add a Watermark to a PDF?
Adding a watermark to a PDF serves several important purposes. A visible CONFIDENTIAL or DO NOT COPY watermark discourages unauthorized distribution of sensitive documents such as contracts, reports, and proposals. A DRAFT watermark clearly signals that a document is not the final version, preventing confusion during review cycles.
For businesses and creators, watermarking PDFs with a logo or brand name adds a professional touch to portfolios, presentations, and client deliverables. It also acts as passive copyright protection — clearly associating your work with your identity every time the document is opened or shared.
Our tool lets you fine-tune the opacity so the watermark remains visible without obscuring the underlying content, and the rotation control lets you apply the classic diagonal style favored in professional and legal documents.
Text vs. Image Watermarks - Which Should You Use?
Text watermarks are ideal when you need to communicate a status or instruction – such as CONFIDENTIAL, SAMPLE, DRAFT, FOR REVIEW, or DO NOT DISTRIBUTE. They render crisply at any size, load instantly, and are fully customizable in terms of font size, color, rotation, and placement.
Image watermarks are the better choice when you want to brand a PDF with your company logo or a custom graphic. A semi-transparent logo centered on each page turns every page into branded material, making it immediately clear who produced the document. Our tool supports PNG and JPG formats, and the opacity slider lets you dial in exactly how prominent you want the logo to appear.
Both watermark types are applied to every page of your PDF automatically, so even lengthy multi-page documents are fully covered with a single click.
Common Uses of a PDF Watermark Tool
People use a PDF watermark tool for a wide variety of everyday tasks: marking contracts and legal documents as CONFIDENTIAL before emailing them to clients, labeling invoices or proposals as DRAFT during internal review, adding a company logo to reports and presentations before external distribution, watermarking eBooks and digital downloads with a SAMPLE tag to share previews, protecting photography portfolios shared as PDFs by overlaying a studio logo, branding course materials and worksheets with an instructor or business name, and flagging exam papers or templates as DO NOT COPY.
Designers and agencies use it to quickly brand client deliverables before delivery, while educators use it to distribute preview copies of paid materials safely.
Frequently Asked Questions
Does this tool work without uploading my PDF to a server?
Yes – entirely. All processing happens locally inside your browser using JavaScript. Your PDF file never leaves your device, which means your documents remain 100% private and secure regardless of how sensitive their contents are.
Can I watermark a PDF with my logo?
Yes. Switch to the Image Watermark tab, upload your PNG or JPG logo, then adjust the size and opacity. Your logo will be embedded on every page of the PDF at the position and transparency level you choose.
Will the watermark appear on every page?
Yes. Whether your PDF has 1 page or 100 pages, the watermark is applied to every single page automatically in one step.
Does watermarking change the original PDF file?
No. The tool processes a copy of your file in memory. Your original PDF on your device is never modified. The watermarked version is only created when you click Download PDF.
What file size is supported?
The tool supports PDF files up to 50 MB, which covers the vast majority of documents, presentations, and reports.
Can I control how visible the watermark is?
Yes. The opacity slider lets you set the watermark transparency anywhere from very faint (5%) to fully opaque (100%), so you can keep it subtle enough not to obscure the document content while still being clearly visible.
What browsers does this tool work on?
It works on all modern browsers, including Chrome, Firefox, Edge, and Safari – on desktop, tablet, and mobile. No plugins or extensions are required.
Is this tool completely free?
Yes. There are no limits, no sign-ups, and no hidden fees. You can watermark as many PDFs as you need at no cost.