Load your file
Even the moment you pick a file, the data never leaves your browser.
Clean the bottom-right watermark on every page of a NotebookLM PDF slide deck in your browser, with no upload.
Supports NotebookLM PDF exports (recommended under 300MB)
Everything runs in your browser's memory. Very large files can crash the tab, especially on phones — keep inputs small.Each page is rendered to a canvas, the watermark region is inpainted (OpenCV Telea or a fast color fill), and the pages are rebuilt into a new PDF as images.
Formats PDF → PDF


No account, no upload queue. Done in three steps.
Even the moment you pick a file, the data never leaves your browser.
A dedicated engine for videos, documents, and images handles the watermark area.
Get the result you previewed as a local file, not a server link.
Tuned to the exact watermark position and size that each NotebookLM and Gemini format uses.
File data is only read and written in the browser memory you're using right now.
Creates the output right on your device instead of an expiring external link.
No. Every processing engine and all file data run inside your browser.
No. Pages are rebuilt as images, so text becomes non-selectable and non-searchable.
It guarantees the watermark is gone on every page no matter how the PDF was authored, without sending your file anywhere.
The bottom-right area of each slide; adaptive mode adjusts for portrait slides.