Watermarks are essential for protecting intellectual property, marking preliminary contract drafts, or branding sample portfolios before sending them to clients. Adding a watermark ensures that unauthorized recipients cannot present your work as their own.
Here is how to apply custom text watermarks ('CONFIDENTIAL', 'DRAFT', 'SAMPLE', or your company name) to any PDF on Android without cloud uploads.
Step-by-Step: Adding a Text Watermark in OfflyPDF
Applying a watermark across all pages takes just three steps:
- 1. Open OfflyPDF and tap 'Watermark'.
- 2. Pick your PDF document from local storage.
- 3. Type your custom text (e.g., 'CONFIDENTIAL - FOR REVIEW ONLY').
- 4. Adjust opacity (e.g., 20% to 50%) and angle (diagonal 45° or horizontal).
- 5. Tap 'Apply Watermark' and save your branded document.
Frequently asked questions
Quick answers to what people ask most about this topic.
Yes. OfflyPDF automatically applies your specified text watermark consistently across all pages of the document at your chosen angle and opacity.
Adding a clean watermark to your mobile PDF documents establishes professional branding and guards against unauthorized redistribution.
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Free, offline, on Android — no account required.