Gemini Watermark Remover

The visible Gemini sparkle logo

Depending on your plan or where you generated it, Gemini may add a small visible mark, the Gemini sparkle, usually near a corner of the image. It is drawn into the pixels like any other part of the picture, so it survives a download, a screenshot, and a change of file format. It is also the easiest layer to deal with: Forensic Cleaner detects it and removes it automatically when you upload the image, before you choose any settings.

Google lets some users hide the visible mark, depending on plan or product. Hiding it is cosmetic. It does not remove SynthID, which is still in the pixels of the image you download.

The invisible SynthID watermark

Google says it embeds SynthID, an imperceptible digital watermark developed by Google DeepMind, in images generated by its AI models, including Gemini and Imagen. SynthID is spread across the whole frame rather than stamped in one place, so you cannot see it, crop it out, or paint over it. Google says it is designed to hold up through common edits such as cropping, resizing, and compression, and Google tools can later read it to report that an image came from a Google model. Removing it takes a dedicated processing stage: the optional SynthID Removal stage in Forensic Cleaner.

C2PA and file metadata: a third, separate layer

Some Google products may also attach provenance metadata to the file itself, such as C2PA Content Credentials, alongside ordinary EXIF, IPTC, or XMP fields. That information lives in the file, not in the picture. Every Forensic Cleaner export removes EXIF, IPTC, XMP, C2PA manifests, Content Credentials, and other AI provenance metadata, so this layer is handled without a separate setting. If metadata is the only thing you need gone, the image metadata remover covers it on its own.

The logo is gone before you pick a setting

Visible logo removal is not a stage you switch on. It runs during validation, on every plan, and every job you run on that upload starts from the logo-free version. If validation finds no Gemini logo, because it was already cropped out or turned off when the image was generated, the upload simply continues.

Credits and output size

To export a file you run at least one stage, so even a logo-only cleanup costs a few credits. Free accounts export at up to 768px on the long edge in Strong mode. Paid plans keep the source resolution up to about 2 megapixels, offer an optional 1024px downscale, and unlock the gentler Quality mode for Detector Bypass. The pricing page lists credits and limits per plan.

Detector Bypass is a separate job

Watermarks and AI detectors are different problems. Detector Bypass targets the signals third-party AI image detectors score, which matters even for images that never touched a Google model. If that is what you are after, read how we remove AI detection from images, or the longer guide on how to remove AI detection.

Start at medium and move one step at a time

There are four settings: low, medium, high, and x_high. Low is the gentlest pass and worth trying first when the frame has small faces, fine hair, or small text. Medium is the recommended starting point for most Gemini images. High and x_high are escalation settings for a stubborn watermark. Run medium, inspect the output at full size, and step up only if the watermark is still reported.

Try the 1024px downscale before x_high

If the watermark survives, try the 1024px downscale option before you raise the strength. Downscaling improves SynthID removal reliability, and it often gets there with less visible cost than a harder pass at full size.

When removal does not take

SynthID removal is not 100% reliable. Some images come back clean at medium and others are still reported at x_high. When repeated attempts fail, the honest answer is usually a different source image rather than another rerun at a harder setting, because the detail a heavier pass removes does not come back. The SynthID remover page goes deeper on each setting.