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무료 Watermark PDF
Stamp a text watermark across every page of a PDF — diagonal, horizontal, or tiled, with adjustable opacity and colour. Runs entirely in your browser.
파일 크기 제한 없음파일이 비공개로 유지됨로그인 불필요영원히 무료
파일을 여기에 끌어다 놓거나 클릭하여 찾기
PDF 파일 크기 제한 없음
파일이 기기를 떠나지 않습니다. 모든 처리는 브라우저에서 로컬로 이루어집니다.
Stamp a text watermark (CONFIDENTIAL, DRAFT, your name…) across every page of a PDF. Runs entirely in your browser; the PDF is never uploaded.
Optimize for your platform
사용 방법
Stamping a watermark (CONFIDENTIAL, DRAFT, a name) across a PDF usually means Acrobat or an upload. This draws it on with pdf-lib, in your browser.
- 1You drop in a PDFThe page count is read locally with pdf-lib — nothing is uploaded.
- 2You set the watermarkType the text and choose a layout (diagonal, horizontal, or tiled across the page), colour, opacity, and size.
- 3It's drawn on every pagepdf-lib draws the semi-transparent, rotated text on each page over the existing content.
- 4You download the resultThe watermarked PDF is offered for download with the original content intact beneath the watermark.
Mark a document as confidential or draft without sending it to a server — everything is stamped on your device.
왜 저희 도구인가요?
✓Completely free — no hidden costs, ever
✓No account, email, or login required
✓Files stay on your device — processing happens in your browser
✓Works on any device — phone, tablet, desktop
✓No watermarks on any output
✓Browser memory limits may apply for very large files
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