Always free. No signup. No watermark.
Do the quick job here. Register only when you want history, saved files, repeat workflows, or a dashboard trail.
Watermark PDF

Add a watermark to PDF online for free.

Stamp any text — CONFIDENTIAL, DRAFT, DO NOT COPY — diagonally across every page of your PDF. Adjust opacity. Instant download, no watermark from us.

+Common use: CONFIDENTIAL for NDA drafts, DRAFT for review copies, SAMPLE for demos.
+Watermark is a semi-transparent text layer — the original content is fully preserved underneath.
🔏
Drop your PDF here
PDF only · up to 20 MB
Tip: Need to also edit or annotate the PDF before watermarking? Edit first →
🔏

Custom watermark text

Type any text — CONFIDENTIAL, DRAFT, SAMPLE, your company name, or any label. Up to 80 characters.

🎚️

Adjustable opacity

Choose how visible the watermark is — from a barely-visible 5% ghost to a bold 40% stamp.

📄

Every page

The watermark is applied diagonally across the center of every page — no manual per-page work.

Instant download

Processing takes seconds. Your watermarked PDF starts downloading automatically.

🚫

No BrieflyGo branding

Only your watermark text appears — no logos, no ads, no attribution from us.

🔒

Private & not stored

Your file is processed server-side and discarded immediately. Never stored or shared.

Search, AI, and user-help layer

Watermark PDF: FAQ, risks, help, and user notes

Visible content + JSON-LD

Use Watermark PDF to process a PDF in the browser. This page keeps the quick utility free, then gives clear next steps for editing, saving online, risk review, or dashboard workflows when the document needs more than a one-off download.

FAQ

Do I need an account to use this PDF tool?

No. The quick PDF action is available without signup. Create an account only if you want saved history, dashboard access, repeat workflows, or editor handoff.

Can I continue editing the file after the tool finishes?

Yes. Use Open editor if the result needs text, signatures, fields, comments, or visual markup before sharing.

When should I save the result online?

Save online when the file is part of a recurring workflow, needs an audit trail, or should be easy to find later from the dashboard.

Risk notes

Main thing to check before using the output in a real workflow.

1Check the result before sharing it, especially when the PDF contains legal, tax, medical, or financial information.
2Keep an original copy of the source file so you can compare the output if formatting changes.
3Use the editor or dashboard when the document needs follow-up actions, notes, signatures, or proof.

Help: best next step

Best for quick document cleanup before review, sharing, or filing. If it becomes a real document workflow, continue from here instead of starting over.

Step 1
Upload your PDF

Drop the PDF into the tool and choose the options for the task.

Step 2
Review the output

Download the result and quickly check the most important pages.

Step 3
Continue only if needed

Open the editor or save to dashboard when the file needs follow-up work.

User notes

Short workflow feedback. We avoid fake star ratings; reviews are shown as visible notes and structured for context.

"The useful part is that I can do the quick PDF job first, then decide if it needs a saved workflow."
Independent consultant - Solo operator
"It removes the small PDF chores before I send a document for review or signature."
Operations user - Document workflow

Never sign without understanding every clause.

BrieflyGo reviews your contracts in plain English — instantly.

Try for free →