Skip to content
ZiaSignZiaSign
ZiaSign
    • Individuals & TeamsPay by document, unlimited users.
    • DevelopersREST API, SDKs, webhooks, sandbox.
    • EnterpriseSSO, QES, dedicated CSM, on-prem.
    Individuals pricingDevelopers pricingEnterprise pricing
  • Free PDF Tools
  • Browse by topic

    • Getting StartedQuickstart, account, first send
    • Documents & SigningPrepare, send, sign, track
    • Developer APIREST, SDKs, webhooks, sandbox
    • AI FeaturesField detection, summaries, Q&A
    • Billing & PlansSubscriptions, invoices, limits
    • Mobile AppiOS & Android guides

    Quick links

    • Quickstart
    • API reference
    • Authentication
    • Webhooks
    • How-to guides
    • Changelog
    Building with the API?Free sandbox, full REST + webhooks, SDKs in 5 languages.
    Browse all documentation
  • Pricing
  • Company

    • About
    • Blog
    • Investors
    • Security

    Compare

    • vs DocuSign
    • vs Adobe Sign
    • vs PandaDoc
    • vs iLovePDF
    • vs Smallpdf
    • vs PDF24
    • vs Sejda
    Investor connectLatest blog
PDF ToolsFreePricing
Start Free
Start Free
  1. Home
  2. How-To Guides
  3. Add Watermark
  4. How to Add Watermark Online
Free

How to Add Watermark Online

Step-by-step instructions to add text or image watermark to pdf pages with ZiaSign.

Use Add WatermarkBrowse all guides

Why this workflow matters

ZiaSign's free PDF watermark tool lets you add custom text or image watermarks to your documents. Customize the text, font size, color, opacity, and position. Upload a logo PNG for branded watermarks. Apply to all pages or specific pages. No watermark from ZiaSign — only your custom watermark appears.

Step by step

Add Watermark is one of the fastest ways to add text or image watermark to pdf pages. You can do it without signup.

  1. 1

    Upload your PDF

  2. 2

    Choose text or image watermark

  3. 3

    Customize position, opacity, color

  4. 4

    Download watermarked PDF

Frequently asked questions

How do I add a watermark to a PDF for free?

Upload your PDF to ZiaSign, choose text or image watermark, customize position/opacity/color, and download. Free, no signup.

Can I use an image as watermark?

Yes. Upload a PNG or JPG logo, and it will be placed as a transparent watermark on all pages.

Can I watermark specific pages only?

Yes. Specify which pages to watermark, or apply to all pages at once.

More specific workflows for this tool

Add DRAFT Watermark to PDF Documents

Mark PDFs as Draft, Confidential, or Sample before sharing

Open use-case guide

Related guides

How to Protect PDF Online

Step-by-step instructions to password-protect and encrypt your pdf with ZiaSign.

Read guide

How to Flatten PDF Online

Step-by-step instructions to flatten forms and annotations into static content with ZiaSign.

Read guide

How to Merge PDF Online

Step-by-step instructions to combine multiple pdf files into a single document with ZiaSign.

Read guide

Ready to run the actual workflow?

You have the steps. Open the tool, process the file, and then move into the next recommendation if the document still needs cleanup, protection, or conversion.

Open Add WatermarkBrowse all guides

Product

  • eSignature
  • AI Document Assistant
  • Templates & Workflows
  • Pricing
  • What's New

Solutions

  • Individuals & Teams
  • Developers & API
  • Enterprise
  • Trust & Security

Free PDF Tools

  • Browse All Tools
  • Merge PDF
  • Split PDF
  • Compress PDF
  • PDF to Word
  • Use-Case Guides

Developers

  • Documentation
  • API Reference
  • How-To Guides
  • Status

Compare

  • vs DocuSign
  • vs Adobe Sign
  • vs PandaDoc
  • vs iLovePDF
  • vs Smallpdf
  • vs Sejda

Company

  • Investors
  • Blog
  • Privacy
  • Terms
  • DPA
  • Sub-processors
ZiaSignZiaSign
ZiaSign

Sign. Automate. Scale — with AI.

© 2026 ZiaSign. All rights reserved.

SOC 2 (in audit)GDPR · DPDPeIDAS · ESIGN