# apphelp tool profile
name: PDF Watermark
tool: tool-pdfwatermark
domain: pdfwatermark.apphelp.net
canonical: https://pdfwatermark.apphelp.net/en
summary: Add a text watermark to every PDF page locally in your browser.
inputs: User-provided files, text, or settings handled locally in the browser.
outputs: Downloadable or copyable results generated in the browser.
use-cases: Add text watermark to PDF; Control opacity and angle; Apply to every page; No upload by default
keywords: add watermark to PDF, pdf watermark, watermark pdf online
languages: en, zh-CN, zh-TW, ar, de, fr
seo: locale-routed, canonical, hreflang, sitemap, robots, JSON-LD
geo: llm.txt profile, concise task summary, input/output contract, use-case list, local-first privacy notes
privacy: browser-local processing, no upload by default
analytics: Microsoft Clarity and Google Analytics (opt-in)
no-login: true