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Add a text watermark to every page of your PDF. Customize the text, opacity, font size, and angle.
Add text watermark to PDF
Free outputs include a small "Processed by Konomic" footer. Upgrade to remove →
Drag & drop files here, or click to browse
PDF · up to 50 MB (free)
Upload your PDF
Enter watermark text
Adjust opacity, size, and rotation
Download watermarked PDF
Add a text watermark to every page of your PDF. Customize the text, opacity, font size, and angle.
Yes. You can set text, opacity (5-100%), font size, and rotation angle.
See how Konomic compares to popular add watermark tools:
Upload your PDF
Enter watermark text
Adjust opacity, size, and rotation
Download watermarked PDF
No hidden fees, no credit card required. Basic tools are free forever.
Files are encrypted in transit and deleted automatically after 1 hour.
Most operations complete in under 10 seconds. Powered by optimized servers.
Works directly in your browser. No software to download or install.
Works on Windows, Mac, Linux, iPhone, Android, and Chromebook.
We never share, sell, or access your files. Full privacy guaranteed.
Yes. You can set text, opacity (5-100%), font size, and rotation angle.