Watermark Remover

Remove the Gemini Notebook watermark from a Video Overview.

Gemini Notebook, the tool that was called NotebookLM until July 2026, stamps a small Gemini Notebook wordmark into the corner of exported Video Overviews. Drop the MP4 in and every frame that carries it is rebuilt locally, with the narration left untouched.

Images Video
Drop a video here

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MP4, WebM or MOV up to 500 MB

How to remove the Gemini Notebook watermark

Use Chrome or Edge on a computer. Nothing leaves your machine.

  1. Download the Video Overview

    Export the MP4 from Gemini Notebook. The downloaded file works far better than a screen recording, which rescales and blurs the wordmark.

  2. Drop it in and press Remove watermark

    Every frame is checked for the wordmark and the ones that carry it are rebuilt. A Video Overview runs a few minutes, and processing takes roughly as long as the video plays.

  3. Download the MP4

    Compare the two versions in the player, then press Download MP4. The narration is copied across without being re-encoded.

A different mark, and a different method

The Gemini Notebook wordmark is not the Gemini sparkle. Google does not publish its artwork or transparency, so it cannot simply be run backwards the way the sparkle can.

Rebuilt from its surroundings

The wordmark sits in a margin that is almost always a flat colour or a smooth gradient. So each column under the mark is rebuilt from the clean pixels just above and below it. Measured against clean background, that leaves effectively no trace, where fitting and inverting a guessed transparency left visible residue.

Only on the frames that need it

The wordmark is not drawn on every frame. Each frame is tested on its own, and frames without the mark pass through with their pixels untouched, so nothing is smoothed for no reason.

Landscape and portrait

Portrait exports draw the wordmark differently rather than as a rotated copy of the landscape one, and both layouts are measured and handled. Videos exported before the rename carry the same wordmark and are handled the same way. The full write-up has the numbers.

Where it still falls short

Three cases are known, all measured on real exports. In each one the frame is left alone rather than damaged, which is the right failure, but you may see the wordmark on a few frames.

Known limits

  • The wordmark over a dark photo, where it lightens instead of darkening and is not detected
  • The wordmark over fine texture, where the rebuild leaves a slightly smoothed strip
  • A drawing or diagram running through the wordmark, where the frame is treated as unmarked

Not covered

  • Slide decks and infographics exported as PDF, PPTX or images. This page cleans video.
  • Audio Overviews, which carry no visible mark
  • Screen recordings of a Video Overview, which blur the mark past recognition

Questions

Is Gemini Notebook the same as NotebookLM?
Yes. Google renamed NotebookLM to Gemini Notebook in July 2026. Video Overviews from before and after the rename carry the same Gemini Notebook wordmark, and this page cleans both.
Does it remove the watermark from Gemini Notebook slides or PDFs?
No. This tool cleans Video Overviews exported as video. Slide decks and infographics exported as PDF or PPTX are not supported.
Is the narration kept?
Yes. The audio track is copied across without being re-encoded, so the voice sounds exactly as it did.
Is my video uploaded?
No. Every frame is decoded, cleaned and encoded again inside your browser tab.
Why did the wordmark stay on some frames?
Those frames fell into one of the known limits: a dark photo behind the mark, fine texture, or a drawing crossing it. The tool leaves such frames untouched rather than risk damaging them.
Does it work on portrait Video Overviews?
Yes. Portrait exports place and draw the wordmark differently, and that layout is detected separately.
Which browser do I need?
Chrome or Edge on a computer. The tool needs H.264 encoding through WebCodecs, which other browsers do not yet provide for this.

Further reading