Watermark PDF Online Free: Complete 2026 Guide

You have a PDF that needs a watermark. Maybe a draft contract going to a client that should clearly say DRAFT across every page so it does not get mistaken for the final version. Maybe an internal report being shared externally that needs CONFIDENTIAL stamped on each page. Maybe a copyrighted photo collection that needs your logo as a watermark to protect the images. Maybe a brochure where the company logo should appear subtly on every page. Maybe a manuscript before publication that needs SAMPLE marked across each page. Whatever the case, you need a clean, professional watermark applied consistently across your document.

iHatePDF Watermark PDF handles all common watermark types and styles in seconds. Type any text (DRAFT, CONFIDENTIAL, your name, a date) or upload an image (logo, stamp, signature). Pick from nine positions on the page, or drag the watermark anywhere on the live preview to place it exactly. Rotate to any angle and adjust transparency from bold to subtle. Switch on mosaic mode to tile the watermark across the page for the classic anti-copy pattern, with a slider to control the spacing. Apply it to every page or to a page range you type. Watermark up to 3 PDFs at once with a free account, each with its own settings, and they come back as a ZIP. Free, no branding from us, no sign-up for single files. If you want to watermark AND make other edits in one session, the alternative Editly path is the full editor that includes watermarking as one of its capabilities. This guide covers everything: text and image watermarks, drag-to-place and all styling options, batch watermarking, mobile workflow, and common professional use cases.

Why watermark a PDF?

Watermarks serve four main purposes: communicating status (DRAFT, CONFIDENTIAL, OBSOLETE), branding (company logos on reports and marketing materials), copyright protection (visible mark on shared photos or content), and anti-copy patterns (tiled watermarks that survive screenshots and partial copies). One simple feature, many practical applications.

Ten concrete scenarios where watermarks matter:

• DRAFT stamps on documents in review. Prevent draft versions from being mistaken for final approved versions. Standard practice in legal, finance, and editorial workflows.
• CONFIDENTIAL marks for internal documents. Visual reminder that the document is sensitive and should not be redistributed. Common in HR, legal, and corporate communications.
• Company logos on reports and proposals. Subtle brand presence on every page of client-facing documents, presentations, and marketing materials.
• Copyright watermarks on photos and content. Protect images, illustrations, or copyrighted content with a visible mark before sharing or publishing.
• Anti-copy mosaic patterns. Sensitive documents (legal exhibits, exam papers, financial statements) get a tiled watermark that survives screenshots and partial copies.
• SAMPLE marks on preview documents. Show preview versions of paid content (ebooks, courses, reports) with SAMPLE clearly visible.
• OBSOLETE marks on outdated documents. Stamp old versions before archiving so they cannot be mistaken for current ones.
• Version watermarks (V1, V2, V3). Track document revisions visually across multiple iterations.
• Date or attribution watermarks. Stamp generation date, author name, or batch identifier across each page.
• Cover-page-only watermarks. Add a watermark just to the first page (cover) for a clean look that does not interfere with body content.

How to watermark a PDF: full walkthrough

1. Open the tool. Visit iHatePDF Watermark PDF in any web browser. Works on Windows, Mac, Linux, Chromebook, iPhone, Android, and tablets.
2. Upload your PDF(s). Drag and drop the file onto the upload area, or click to browse. Add up to 3 PDFs at once with a free account (1 without an account) to watermark them as a batch. Cloud import works from Google Drive, Dropbox, and OneDrive. Without an account: 1 file, up to 80 MB. Free account: up to 3 files, 80 MB each (120 MB total).
3. Pick watermark type:
   • Text watermark. Type a label like DRAFT, CONFIDENTIAL, your company name, a date, or any custom string.
   • Image watermark. Upload a logo, stamp, signature scan or other image (PNG, JPG or WEBP). A PNG with a transparent background looks best; for a logo on a white box, try the Remove BG button.
   Switch between text and image modes at any time to try different styles.
4. Customise the appearance. Adjust:
   • Position: nine presets (corners, edge centres, middle of page), or drag the watermark anywhere on the live preview and tap a preset dot to snap it back.
   • Rotation: any angle, common choices are 0 (upright), 30 (slight tilt), 45 (diagonal, classic stamp), 90 (vertical).
   • Transparency: from solid (100% opacity) to subtle background tint (10-20%).
   • Font size and colour (for text watermarks): match document style or contrast for visibility.
   • Image scale (for image watermarks): resize the logo to fit appropriately on the page.
   • Mosaic/tile mode: switch on to repeat the watermark in a grid covering the whole page.
   Live preview updates with every adjustment.
5. Choose where it applies using the "Apply to" buttons:
   • All Pages: the default, which watermarks every page.
   • Range: type page numbers or ranges, such as 1 or 1-3, 5, 8, to watermark only those pages, for example just the cover.
6. Click Add Watermark. The watermark is applied with all your styling. Original content is preserved exactly outside the watermark. Watermark several PDFs at once and they download together as a ZIP.
7. Download the watermarked PDF. Save to your device or back to your cloud (Google Drive, Dropbox, OneDrive) with one click.
8. Optional: open another tool next. Jump straight to Merge PDF, Compress PDF, Protect PDF, or any other tool from the result screen.

Alternative method: watermark in Editly (the full PDF editor)

Every iHatePDF tool has its own focused preview workspace: Merge has its merge preview, Split has its split preview, Compress has its compress preview, and Watermark PDF has the position-and-style preview described above. Each is built for one job and does that job cleanly. Editly sits alongside them as the full PDF editor: it handles content editing (text changes, annotations, redactions, image insertion, signatures, page management) and also includes watermarking as one of its capabilities.

So the choice between Watermark PDF and Editly is not "basic vs advanced." It is: focused watermarking tool vs full-featured editor that combines watermarking with content editing in one session.

1. Open Editly and upload your PDF
2. Use the watermark tool to add text or image watermarks with full styling control
3. Apply any additional edits: text changes, annotations, redactions, page management, signatures
4. Click Save and download the edited PDF with all changes applied in one file

When Editly is the right choice

• You need to edit content alongside watermarking. Fix typos, add annotations, insert images, redact sensitive material, all in the same session as adding a watermark.
• You want to organise pages first. Reorder or delete pages with the page management tools, then watermark the final document.
• You need to add a signature after watermarking. Stamp DRAFT on the document, then add a signature in the same editor.
• You want to add multiple element types. Combine watermark with annotations, redactions, and other edits in one place.
• Multiple tasks on one document. Any combination of watermark + edit + redact + sign on the same file is faster in Editly.

When the dedicated Watermark PDF tool is the right choice

• You only need to add a watermark. Most common case. The focused preview workspace is faster than opening the full editor.
• You want full mosaic and tile control. The dedicated tool surfaces tile/mosaic mode as a primary feature.
• You are chaining into other tools. Watermark first, then send the file to Compress, Protect or another dedicated tool.
• You want a single-task interface. No editing toolbar, just watermark controls and the preview.

Text vs image watermarks: which to use

Both types have their place. Choose based on what the watermark needs to communicate.

Text watermarks work best for

• Status labels. DRAFT, CONFIDENTIAL, OBSOLETE, FINAL, REVIEWED.
• Version markers. V1, V2, REV-3, BETA, PREVIEW.
• Date stamps. 2026-05-15, MAY 2026, or any date format.
• Attribution. Author name, batch ID, source identifier.
• Anti-copy phrases. DO NOT COPY, SAMPLE ONLY, FOR INTERNAL USE.
• Simple typography that scales well. Text remains crisp at any zoom level.

Image watermarks work best for

• Company logos. Visual brand presence on reports, proposals, and client documents.
• Stamps. Approved, certified, paid, or other formal stamps.
• Signatures. Scanned signatures for casual document authentication (use Sign PDF for formal signing).
• Photo attribution. Photographer credit on shared images or PDFs of photo collections.
• QR codes. Quick-access watermark for routing to a website or verification page.
• Custom artwork. Anything visual that text alone cannot express.

Removing the white box around a logo watermark

A common frustration with image watermarks: most logos exist as PNG or JPG files with a white background. When applied as a watermark, the white background creates an ugly white box around the logo, ruining the effect. Here is how to avoid it.

How it works:

1. Choose Image and select your logo (PNG, JPG or WEBP).
2. Press Remove BG to strip the background in your browser.
3. Check the preview: the logo should now sit on the page without a box.
4. If the edges aren't clean, make a transparent PNG with Remove Background and upload that instead.

A transparent PNG always gives the cleanest result, especially for logos on coloured, gradient or patterned backgrounds.

Tile/mosaic mode for anti-copy patterns

For high-stakes documents (legal exhibits, exam papers, sensitive financial reports, confidential proposals), single-spot watermarks may not be enough. A determined recipient could crop the watermark out, screenshot around it, or remove it with editing software. Mosaic/tile mode addresses this.

How tile mode works:

• Switch on mosaic/tile mode in the watermark controls.
• The watermark repeats in a grid pattern across the whole page.
• Use the Tile Spacing slider to set how far apart the repeats sit - tighter for a denser anti-copy mesh, looser for a lighter pattern.
• Rotation applies to the whole grid (45-degree diagonal is the classic anti-copy look).
• Transparency makes the pattern subtle enough to read through.

The result is a pattern that overlaps every part of the document content, making it much harder to crop out or remove cleanly. Common combinations: 45-degree diagonal, 30% opacity, repeating CONFIDENTIAL or DO NOT COPY text. For maximum security, combine tile mode with Protect PDF to add a password as well.

Common scenarios that need watermarks

Common Watermark PDF issues (and fixes)

Watermark too prominent or too faint

Default opacity may not match the desired look. Fix: Adjust the transparency slider. Bold and prominent: 80 to 100%. Standard professional: 30 to 50%. Subtle background tint: 10 to 25%. Use the live preview to find the right balance for your document.

Logo has white background ruining the look

The uploaded logo file has a white background, creating an ugly white box around the watermark. Fix: Press Remove BG after choosing the image, or make the logo transparent first with Remove Background. For logos on coloured or patterned backgrounds, a transparent PNG gives the cleanest result.

Watermark overlaps important content

A centred watermark sits on top of charts, tables, or key text. Fix: Switch to a corner position (bottom-right is least intrusive for most documents). Or lower the opacity so the watermark fades into the background without blocking content.

Watermark removed by recipient

Single-spot watermarks can be cropped or removed with editing software. Fix: For high-stakes documents, switch on tile/mosaic mode so the watermark repeats across the page. Pair with Protect PDF to add password protection, making editing significantly harder.

Watermark prints in different position than on screen

Some printer drivers handle layered content unusually. Fix: Print from Adobe Acrobat Reader for the most accurate output (which respects the watermark layer exactly). If different printers produce different results, the issue is on the printer side, not the PDF.

Want to add watermark to only specific pages

Default applies to every page. Fix: under Apply to, choose Range and type the pages, such as 5-20 or 1, 3, 7. For different watermarks on different sections, run the tool again on the watermarked file with another range.

Watermarking a PDF on mobile (iPhone and Android)

Mobile watermarking works for quick stamping jobs (adding DRAFT to a contract, marking a document as confidential before forwarding).

On iPhone or iPad:

1. Open Safari and visit ihatepdf.com/watermark-pdf
2. Tap the upload area and choose your PDF from the Files app
3. Pick text or image mode, set the watermark content
4. Adjust position, rotation, transparency using the touch-friendly sliders
5. Tap Add Watermark
6. The watermarked PDF saves to Files under Downloads, ready to share via Mail, Messages, or any other app

On Android:

1. Open Chrome and visit ihatepdf.com/watermark-pdf
2. Tap the upload area and select your PDF from phone storage or Google Drive
3. Set watermark content and styling with touch controls
4. Tap Add Watermark
5. The watermarked PDF downloads to your Downloads folder, ready to share via Gmail, WhatsApp, or any other app

For complex watermarks (custom logos with precise positioning, fine opacity tuning, tile mode setup), desktop offers more precision. Mobile is best for quick text watermarks like DRAFT or CONFIDENTIAL.

Tips for clean, professional watermarks

• Match document style. Subtle 30 to 50% opacity for professional documents. Bold 100% for strong status labels like DRAFT or OBSOLETE.
• Use diagonal rotation for stamped look. 45 degrees diagonal is the classic stamped watermark style.
• Use tile mode for anti-copy. Repeating watermarks survive cropping, screenshots, and partial copies far better than single spots.
• Remove the white box around logos. Use Remove BG, or upload a transparent PNG.
• Choose contrasting colour for visibility. Dark grey or red on light documents; light grey or white on dark documents.
• For brand watermarks, keep it subtle. 30 to 50% opacity in a corner is more elegant than a centred prominent stamp.
• For DRAFT or CONFIDENTIAL, make it visible. The whole point is communicating status, so 70 to 100% opacity is appropriate.
• Combine with password protection for high-stakes documents. Run watermarked PDFs through Protect PDF to make watermark removal much harder.
• Keep an unwatermarked backup. If you need a clean version later (different watermark, no watermark, alternative styling), save the original.

Workflow chaining

Watermarking often pairs with other operations. Common chains:

• Watermark, then protect. Add the watermark, then Protect PDF with a password for maximum security on confidential documents.
• Watermark, then compress. Apply watermark, then Compress PDF for a smaller file ready to share.
• Merge, then watermark. Combine multiple PDFs with Merge PDF, then watermark the combined document with consistent branding.
• Watermark, then sign. Apply DRAFT or CONFIDENTIAL, then Sign PDF for the version sent.
• Organize, then watermark. Use Organize PDF to get pages right, then watermark the final layout.
• Redact, then watermark. Redact PDF to remove sensitive content, then watermark the redacted version.

Privacy and security

Watermarking often involves sensitive content: draft contracts, confidential reports, copyrighted material, brand assets. Files are sent over HTTPS to our server, watermarked and deleted automatically within one hour, together with any logo you uploaded. Nobody looks at your files, and they are never used for AI training. Full picture in the privacy and security guide.

Frequently asked questions

Use other tools

Free, fast, private PDF tools.

Related guides

• Editly: the free PDF editor for real work
• How to password protect PDF online free
• How to redact PDF online free
• How to sign PDF online free
• How to add page numbers to PDF online free
• Is iHatePDF safe? How we protect your files