Add Watermark to PDF
Stamp a diagonal text watermark across every page of your PDF.
Drop your PDF here, or click to choose a file
PDF files only
Your file is ready.
DownloadHow it works
- Choose a PDF file.
- Type your watermark text.
- Download the watermarked PDF.
Why use Add Watermark on Abloom Pdfly
- Private by design: your file is processed in your browser and is not uploaded.
- Free: no sign-up, no watermark on your output, and no daily limit.
- Works everywhere: phones, tablets and computers in any modern browser, with nothing to install.
- Your original stays untouched: you always download a new file.
Add Watermark: common questions
Is Add Watermark free?
Yes — every tool on Abloom Pdfly, including Add Watermark, is free to use. No account, no watermark on your output, and no daily limit.
Are my files uploaded to a server?
No. The work happens on your own device, inside your browser. Nothing you convert, edit or read is sent to a server.
Will it change my original file?
Never. Add Watermark creates a new file for you to download, and your original stays exactly as it was.
Does it work on my phone?
Yes. Any modern browser works — Android, iOS, Windows, macOS or Linux — and there is no app to install.