Below we show how to add text watermark to PDF documents online, for free. 適用於包括 Mac 在內的所有桌面平台.

Step 1: Select your PDF document

上傳您的文件

文件通過加密連接安全上傳. 文件保持安全. 處理後，它們將被永久刪除.

不想上傳您的文件並離線處理它們？
Try Sejda Desktop. 與在線服務功能相同，且文件永遠不會離開您的計算機.

點擊“上傳”並從您的本地計算機選擇文件.

將文件拖放到頁面上也有效.

Dropbox 或 Google Drive 文件

您也可以從 Dropbox 或 Google Drive 中選取 PDF 文件.

展開“上傳”下拉菜單並選擇您的文件.

Step 2: Add Text Watermark

Click the 'Add Text' button at the top of the PDF page. You should see a text watermark being added.

Click on it to edit the text. Type 'Draft' or 'Classified' to try it out.

Step 3: Change text size, rotation and location on page

Click and drag the text watermark to change the location on the PDF page
Drag the rotation handle to rotate the text watermark.

Click and drag the resize handles found on the sides to change font size.

Step 4: Change text color, transparency and font family

Click on the text watermark to reveal its associated menu.

One can change the transparency of the watermark, making the text more or less opaque.
Watermark text color can also be configured, together with the font used for the text.

We describe below how to add image as watermark to PDF documents online, for free.

Step 2: Add Image Watermark

Click the 'Add Image' button and select the image file to use as PDF watermark. Most popular image formats are all supported: JPG, JPEG, GIF, PNG, SVG.

Step 3: Rotate, resize or change position on page

Click and drag the image watermark to change the position on the PDF page.
Drag the rotation handle to rotate the text watermark.
Drag the resize handles found on the image sides to resize the image.

Step 4: Change transparency

Click on the image watermark to reveal the associated menu.
From the associated menu change the opacity of the watermark.