> For the complete documentation index, see [llms.txt](https://usermanual.doctranslate.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://usermanual.doctranslate.io/pdf-tools/add-watermark.md).

# Add Watermark

**Add Watermark** overlays a diagonal text watermark across every page of a PDF — right in your browser, no account required.

### **How to Use**

The process is simple and consists of three basic steps:

#### **Step 1: Upload Your File**

* Go to **PDF Tools** and select **"Add watermark."**
* Drag and drop a PDF file into the upload area, or click to browse your computer.

<figure><img src="/files/af22434ecd2fd4c128aebe699e717780c0372b33" alt=""><figcaption></figcaption></figure>

#### **Step 2: Set Your Watermark Text**

* Type the text you want stamped across each page (for example, "CONFIDENTIAL" or "SAMPLE").
* Adjust the **Opacity** slider to control how visible the watermark is over your content.

<figure><img src="/files/7ff8168a5a20de7e7899ce4efaa725cca9ff513b" alt=""><figcaption></figcaption></figure>

#### **Step 3: Apply and Download**

* Click **"Add watermark."**
* Once processing is complete, click **"Download Document"** to save the watermarked file to your device.

<figure><img src="/files/cf9248ac4eb398392f98c9129154f2bd95b40547" alt=""><figcaption></figcaption></figure>

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*📌 **Note:** Add Watermark is completely free and does not require an account. Lower opacity values keep your original content easier to read.*