Watermark PDF
Add a text or logo watermark to one PDF, preview every selected page, and create the result locally in your browser.
Choose a PDF
Drop or select one PDF. CrateX.app processes it only in this browser.
Watermark content
Watermark type
Layout
Placement mode
Position
Style
Pages
Apply to
Live preview
Preview the foreground watermark on one page before creating the PDF.
Choose a PDF and complete the watermark settings to preview it.
Quick Start
Common Scenarios
Confidential review
place a clear text notice across draft reports or internal documents.
Branding
add a PNG, JPEG, or WebP logo to customer-ready PDFs.
Distribution copies
add a recipient, project, or status label to selected pages.
Input & Output
Usage Advice
Limitations & Compatibility
Privacy & Security
FAQ
Not during normal processing. Source and generated PDFs stay local; if you explicitly save to Workspace, the logo may be attached and, if WebDAV sync is enabled, encrypted before syncing.
No. Only multilingual text watermark glyphs are rendered as a high-resolution transparent image. The source PDF pages are not converted into page-sized images.
PNG, JPEG, and WebP are supported, up to 10 MiB and 16 megapixels.
Yes. Choose a custom range such as 1-3, 5, or 8-. The preview identifies pages outside the range.
No. Any change to the PDF invalidates existing digital signatures. Verify and re-sign the result through a trusted workflow if needed.
No. Encrypted and password-protected PDFs are not supported.
No. This tool only adds a foreground watermark. It does not remove watermarks, bypass DRM, or determine copyright ownership.
No. A visible mark can identify a copy or communicate status, but it does not establish ownership or legal rights.