Watermark PDF
Add a text watermark to your PDF in seconds. Mark documents as Confidential, Draft, or Branded, customize the placement and style, preview the result, and download instantly. Fast, secure, and free to use with no registration required.
Watermark PDF
The Watermark PDF tool adds a custom text or image watermark to every page of a PDF document. Upload your PDF, enter the watermark text or upload an image, configure the position, transparency, rotation, and layer, and download the watermarked file in seconds. The original page content is not changed — the watermark is overlaid as an additional element on each page.
Watermarks are used to communicate status (DRAFT, CONFIDENTIAL, VOID), indicate ownership (company name, copyright notice), brand documents for client distribution, and discourage unauthorized redistribution of preview or sample content. This tool supports both text and image watermarks and provides full control over placement settings.
How to use the Watermark PDF tool
- Upload your PDF by clicking Select a File or dragging it into the upload area. Guest users can upload up to 5 files per session (10 MB each).
- Choose Text or Image mode. For text watermarks: type your watermark label and set the font size. For image watermarks: upload your logo or image file (PNG with transparent background recommended).
- Configure the watermark settings — position, transparency, rotation, and layer. The settings reference table below explains each option and when to use it.
- Preview the result before downloading. Confirm the watermark is readable, positioned correctly, and not obscuring critical content such as signatures, figures, or data tables.
- Click Add Watermark and download the watermarked PDF. Keep the original unwatermarked PDF stored separately in case you need to apply different watermark settings later.
Always keep the original un-watermarked PDF. The watermark tool produces a new version of the file — it does not overwrite the original. Store the clean original alongside the watermarked copy. If you need to change the watermark text, adjust the settings, or distribute an unmarked final version, you will need the original. Re-applying a watermark to an already-watermarked PDF is possible but may produce a less clean result.
Watermark settings — complete reference
The tool offers four configurable settings for each watermark. Understanding what each option does helps you get the right result without trial and error:
| Setting | Options | Guidance |
| Position | ||
| Position | Top Left, Top Center, Top Right, Center, Bottom Left, Bottom Center, Bottom Right | Center is the most common position for status watermarks (DRAFT, CONFIDENTIAL) because it is visible across the whole page and impossible to miss. Corner positions (Top Right, Bottom Right) work better for branding or copyright notices where you want less disruption to the main content. Avoid Top Center and Bottom Center if the document has headers or footers that already occupy those areas. |
| Transparency (Opacity) | ||
| No Transparency | 0% transparent — fully opaque | Use sparingly. A fully opaque watermark at the center of a page will heavily obscure document content. Only appropriate for corner branding marks or when the watermark must be unmistakably prominent regardless of legibility impact. |
| 25% | 25% transparent — mostly visible | Good for security-focused watermarks (CONFIDENTIAL, VOID) where visibility is more important than reading comfort. The watermark is clearly present but content beneath it is still partially readable. |
| 50% | 50% transparent — balanced | The most practical setting for most use cases. The watermark is clearly readable, does not overpower the page content, and looks professional. Recommended starting point. |
| 75% | 75% transparent — subtle | Best for branding watermarks (company name, website URL, copyright) on documents where the primary content must remain completely legible. At 75% transparency a center watermark is noticeable without being disruptive. |
| Rotation | ||
| Do not Rotate | 0° — horizontal, standard reading orientation | Use for corner watermarks (company name, URL, copyright notice) where the text should be read normally. Also suitable for short status labels placed in a corner. |
| 45 degrees | 45° — diagonal across the page | The classic watermark angle. Diagonal placement is the most recognizable watermark style and is hardest to ignore. Standard for CONFIDENTIAL, DRAFT, SAMPLE, and VOID labels positioned at center. |
| 90 degrees | 90° — vertical, reading upward | Less common for text watermarks. Can work for short labels placed at the side margin of a page, particularly for landscape-oriented documents. |
| 180 degrees | 180° — upside down | Rarely used for intentional watermarks. Only appropriate in very specific design contexts. |
| 270 degrees | 270° — vertical, reading downward | Mirrors 90° in the opposite direction. Occasionally used for side margin labels. Uncommon in standard document workflows. |
| Layer | ||
| Over the PDF content | Watermark appears in front of page content | The watermark renders on top of all existing text, images, and graphics. The watermark will partially obscure content where it overlaps. Use this for security and status marks where the watermark must be clearly visible and not hidden behind dense content. |
| Below the PDF content | Watermark appears behind page content | The watermark renders behind existing content — it appears in white space areas but is covered by text, images, and solid-fill backgrounds. Use this for background branding or subtle copyright marks on documents with significant white space. Not visible on pages with solid-color or image-filled backgrounds. |
Text watermarks vs image watermarks
| Text watermark | Image watermark | |
| Best for | Status labels (DRAFT, CONFIDENTIAL, VOID), copyright notices, version labels, client names, company names. | Company logos, department stamps, certification marks, signature images, or any visual branding element. |
| Customization | Fully customizable in the tool: font size, position, rotation, transparency, and layer. | Upload any PNG, JPG, or similar image. Supports position, rotation, transparency, and layer settings. |
| Clarity at small sizes | Text remains legible at small font sizes. Short labels (1–3 words) work best. | Image resolution matters. Use a high-resolution image file for sharp results. Low-resolution images appear blurry in the PDF output. |
| Recommended image format | Not applicable. | PNG with a transparent background is strongly recommended. A transparent background ensures only the logo shape appears — not a white rectangle behind it. |
| When to use | When the watermark conveys information (status, access restriction, attribution). Most document watermarks are text. | When visual brand identity is the goal — adding a company logo to proposals, reports, or client deliverables. |
For image watermarks, use a PNG file with a transparent background. If you upload a logo on a white or colored background, the background rectangle will be visible in the PDF — covering document content and looking unprofessional. Most design tools (Canva, Photoshop, Illustrator, GIMP) and logo file repositories provide PNG versions with transparent backgrounds. Check that the background is transparent before uploading by opening the PNG in an image viewer — it should show a checkerboard pattern where the background would be, not a solid color.
Common watermark labels — a reference by purpose
The table below covers the most frequently used watermark labels, the recommended settings for each, and the document context each is most suitable for:
| Purpose | Watermark text | Recommended settings | Typical use |
| Document status | DRAFT FOR REVIEW PRELIMINARY NOT FINAL | Center, 45°, 50% transparency, Over content | Internal documents circulated for review or approval before they are finalized. Prevents confusion between draft and final versions. |
| Security / access | CONFIDENTIAL INTERNAL USE ONLY PRIVILEGED RESTRICTED | Center, 45°, 25–50% transparency, Over content | Sensitive documents — HR records, legal briefs, financial reports, medical files — shared with a limited audience. Signals that recipients should not redistribute. |
| Void / invalid | VOID CANCELLED SUPERSEDED INVALID | Center, 45°, 50% transparency, Over content | Superseded contracts, cancelled invoices, or outdated versions of documents that need to remain on file but must not be acted upon. |
| Sample / preview | SAMPLE PREVIEW ONLY DO NOT DISTRIBUTE NOT FOR DISTRIBUTION | Center or diagonal repeat, 45°, 50% transparency, Over content | Preview copies of reports, design work, or proposals sent to a client for review before a final paid delivery. |
| Branding / copyright | © Company Name 2025 www.yourwebsite.com Company Name Prepared by [Name] | Bottom Right or Top Right, 0°, 50–75% transparency, Over or Below content | Business proposals, client reports, presentations, creative work — any document representing a company or individual where attribution is important. |
| Personalized delivery | PREPARED FOR: [Client] PRIVATE AND CONFIDENTIAL [Recipient Name] — DO NOT SHARE | Center or Bottom, 45°, 50% transparency, Over content | Client-specific deliveries. Including the recipient's name makes it immediately clear that the copy was prepared for them and deters forwarding. |
Important: watermarks added by online tools are not tamper-proof. A text or image watermark added as an overlay layer can be removed by anyone with a PDF editor, screen capture tools, or a PDF reprint workflow. For most practical purposes — draft management, internal distribution, client previews, basic branding — a visible watermark is sufficient as a deterrent and a clear statement of status or ownership. For documents requiring genuine security against modification or removal, combine watermarking with password protection (Lock PDF) and consider whether a legally binding approach (digital signatures, access-controlled distribution) is also needed.
Tips for effective watermarks
- Keep watermark text short — 1 to 4 words. Longer text becomes unreadable at smaller font sizes, especially when rotated 45°. If you need more information, use two short lines rather than one long line.
- Preview on multiple pages before downloading, particularly for documents that mix portrait and landscape pages, or that have pages with dark backgrounds. A watermark set at 50% transparency on a white page may be invisible on a dark-background cover page.
- For CONFIDENTIAL and DRAFT labels, use Center position with 45° rotation and 50% transparency. This is the most widely recognized and effective configuration — prominent without being unreadable.
- For branding watermarks (company name, website), use a corner position (Top Right or Bottom Right), 0° rotation, and 50–75% transparency. Corner placement is less intrusive and reads naturally without rotation.
- For image watermarks, test the output at the transparency level you choose. A logo that looks clear at 50% transparency on screen may be too faint to recognize when printed. Print a test page before finalizing.
- If the watermark covers critical content (a signature line, a data table, a key figure), adjust the position or use Below content layer mode so the watermark appears only in white space areas.
Usage limits
| Account type | Daily uses | Max file size | Files per session |
| Guest | 25 per day | 10 MB per file | Up to 5 files |
| Registered | 100 per day | 40 MB per file | Up to 20 files |
Related PDF tools
- Lock PDF — add password protection to a watermarked PDF to restrict opening or editing. Combining watermarking with password protection provides both a visible warning and a technical access barrier.
- Unlock PDF — remove password protection from a PDF before applying a watermark, if the file is protected and you have the password.
- Merge PDF — combine multiple PDFs before watermarking them as a single document.
- Organize PDF — reorder and correct pages before applying a watermark.
- Remove PDF Pages — delete pages you do not want watermarked before processing the file.
Frequently asked questions
What is a PDF watermark?
A watermark is a visible text label or image overlaid on every page of a PDF document. It communicates a status (DRAFT, CONFIDENTIAL, VOID), establishes ownership (company name, copyright), or brands a document for distribution. Unlike hidden metadata, a watermark is immediately visible to anyone who opens or prints the PDF. Watermarks can be placed over page content (always visible) or below it (appearing only in white space areas).
What is the difference between placing the watermark over vs below the content?
Over the PDF content places the watermark in front of all existing text, images, and graphics — the watermark is always visible regardless of what is on the page. Below the PDF content places the watermark behind existing elements — it appears in white space areas but is covered wherever there is existing content. Use 'over' for status and security watermarks that must be clearly visible. Use 'below' for subtle background branding on documents with significant white space, or when you want to minimize impact on content readability. Note that 'below' watermarks will be invisible on pages with solid-color backgrounds or full-page images.
What transparency level should I use?
For most document watermarks, 50% transparency is the recommended starting point — the watermark is clearly readable and does not overwhelm the page content. For security-focused labels (CONFIDENTIAL, DRAFT) where maximum visibility matters more than readability comfort, 25% transparency is more assertive. For subtle branding watermarks (company name, website) in a corner, 75% transparency keeps the mark present without competing with the document. Avoid 0% (fully opaque) for center-positioned watermarks — they will heavily obstruct the content beneath them.
What format should I use for an image watermark?
Use PNG with a transparent background. A transparent background ensures that only the logo or image shape appears on the PDF page — not a white or colored rectangle behind it. Most logo files distributed in digital format are available as transparent PNGs. If your logo file has a solid white background, open it in an image editor (GIMP is free) and remove the background before uploading. JPG files do not support transparency and will always add a white rectangle behind the logo.
Can the watermark be removed by the recipient?
A watermark added as a PDF overlay layer can be removed by someone with a PDF editor, a 'print to PDF' workflow, or screenshot tools. It is a visible deterrent and a clear statement of document status or ownership — not a security control. For most practical purposes (draft management, client previews, branding), a visible watermark is sufficient. If you need stronger protection against modification or redistribution, combine the watermark with password protection using the ToolsPiNG Lock PDF tool, or consider a document rights management solution for high-security requirements.
Can I watermark a password-protected PDF?
PDFs protected with an open password (requiring a password to view) or a permissions password (restricting editing) may block watermarking. If the file is password-protected and you have the password, use the ToolsPiNG Unlock PDF tool to remove the protection first, then apply the watermark, and optionally re-lock it with a new password using Lock PDF. Only unlock PDFs that you own or have explicit permission to modify.
Will the watermark appear on every page?
Yes. The tool applies the watermark to every page of the PDF document using the settings you configure. The same position, transparency, rotation, and layer settings are applied uniformly across all pages. If you need different watermarks on different pages (for example, DRAFT on most pages but no watermark on the cover page), that level of page-specific control requires a desktop PDF editor such as Adobe Acrobat.
Is the Watermark PDF tool free?
Yes. The tool is free within the daily usage limits shown above. Guest users can run 25 watermark sessions per day and upload up to 5 files per session (10 MB each) without creating an account. Registering a free ToolsPiNG account increases the daily limit to 100 sessions, the file size limit to 40 MB, and the per-session file count to 20.