pdf tool · On-device processing
Add Watermark
Add a text watermark to a PDF document.
Processed entirely in your browser. The selected file is not uploaded to FileLume.
Accepted input
On-device processing
Processed entirely in your browser. The selected file is not uploaded to FileLume.
Access
No account required for core tools
Formats: PDF
Privacy: On-device processing. Processed entirely in your browser. The selected file is not uploaded to FileLume. The active file exists in browser memory for this tab. Closing, reloading, or clearing the workflow removes the active in-memory file and generated preview URLs.
Outcome: Add a text watermark to a PDF document.
Choose a file
Tap to choose from Files.Click to browse or drag and drop a file.
Supported: PDF · Outcome: Add a text watermark to a PDF document.
Processed entirely in your browser. The selected file is not uploaded to FileLume.
Settings
Strong defaults are selected. Open Advanced only when you need more control.
Named presets
Save, duplicate and edit recurring jobs locally. No account, file, filename, or file content is stored.
Helpful details before processing
Add a text watermark to a PDF document.
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