Add professional watermarks to your PDFs without any software installation or subscription. SignForge's free watermark tool runs in your browser — upload your PDF, customize the watermark settings, and download the protected document..
Drop your PDF here
Add a text watermark to every page
Max 50MB
Add professional watermarks to your PDFs without any software installation or subscription. SignForge's free watermark tool runs in your browser — upload your PDF, customize the watermark settings, and download the protected document.
Drag and drop or click to upload your PDF. Secure, fast, and free.
Choose your settings and preview the result before processing.
Get your processed file instantly. No watermarks, no sign-up required.
No. SignForge adds watermarks online for free. Upload your PDF, configure the watermark, and download. No desktop software needed.
You can customize: the watermark text, opacity (10-100%), rotation angle, and font size. Preview the result before downloading.
Yes. The only addition to your PDF is the watermark you configured. No SignForge branding or logos are added.
Yes. The watermark is automatically applied to every page of the document, regardless of length.
Upload a PDF, place signature fields, send to anyone for signing. Free, legally binding, with a full audit trail.
Try SignForge — it's freeFree forever. No credit card required.