Nano Banana & Gemini Image Watermark Remover

Remove the visible Gemini sparkle watermark from Nano Banana, Nano Banana Pro and Imagen 3 images. Everything runs in your browser, so your photo never leaves your device. Images in 18 to 60 ms · Multi-image batch ZIP export

Clean Images Clean Videos
No sign-up Files never leave your device Original resolution
Restored sunlit desk photograph with Gemini watermark cleanly removed
Original photograph with Gemini corner watermark
Before After
18 to 60 ms · PNG / WEBP / JPG

Google Flow & Gemini Image Studio

Built for Nano Banana, Imagen 3, and Gemini photos of any resolution, with live before-and-after inspection.

  • Finds small or big corner marks automatically on any photo size
  • Compare before and after with interactive slider and 8× corner zoom
  • Paste straight with Ctrl + V or save multiple cleaned photos in one ZIP
Open Image Studio
Supported Models:
Google Flow Imagen 3 Gemini Flash Nano Banana Nano Banana Pro Omni Omni Flash
Under 5 seconds · MP4 / WEBM

Veo & Gemini Video Studio

Cleans Google Veo, Omni, and Gemini videos in under 5 seconds while keeping original video sharpness and sound.

  • Cleans only the corner watermark without disturbing moving objects
  • Works universally with every video aspect ratio and screen size
  • Compare original and cleaned video side by side with original audio kept
Open Video Studio
Supported Models:
Google Flow Veo Omni Gemini Flash

How It Works

Step 1

Drop or Paste Media

Drag images/videos or press Ctrl + V anywhere.

Step 2

Auto-Detect & Remove

Restores original corner pixels right in your browser with zero blur.

Step 3

Enhance & Fine-Tune

Clean halos, restore textures, or export to lossless PNG/WEBP.

Step 4

Inspect & Download

Compare with 8× zoom slider and save directly to your device.

Why EraseMark

100% Free Web Model
Capability
Many online tools
This Gemini Watermark Remover
Corner Quality
Blurs the corner
Restores exact original pixels without blur
Speed
Upload and queue wait
Cleaned locally in 18 to 60 ms
Video Audio
Mutes sound or degrades quality
Original sound kept 100% intact
Aspect Ratios
Crops or distorts non-standard clips
Auto-adapts to every aspect ratio & resolution
Data Privacy
Uploads your files to external servers
Zero backend storage — stays strictly on your device
Pricing
Credits, preview watermarks, or sign-up wall
Completely free web tool — unlimited files

Google Flow Extension

Download watermark-free images and videos straight from Google Flow.

  • One-click downloads: Clean files saved right inside Google Flow
  • 1,000 images / month: Auto-cleaned and downloaded for you.
  • 50 videos / month: Any length, downloaded clean.
  • No manual uploads: Saves straight from Google Flow.
  • Original quality: Full resolution, original video sound kept.
$5 / month · (78 subscribed)

Google Flow & Gemini Chrome Extension.

Pay Now · $5/mo Need help? Contact us

Questions or an issue? We reply by email.

Your media stays strictly on your device — zero server uploads, zero data saved.

Have more questions? Read our full FAQ on the homepage →

Drop Gemini images here

Removes corner watermarks cleanly without blurring your photo.

Ctrl + V to Paste Batch Upload PNG · JPG · WebP 100% Private

Drop Gemini videos here

Cleans subtle corner Gemini watermark from generated clips & animations with audio preserved.

Gemini AI Video Original Audio Kept MP4 · WebM

Drop Veo videos here

Cleans Google Veo watermarks cleanly with frame-by-frame temporal unblending and zero blur.

Google Veo Video Precise Alpha Unblend 1080p · 720p
Gemini Image Studio

How to Remove the Gemini Watermark from Images

Remove the visible Gemini sparkle watermark from Nano Banana, Nano Banana Pro and Imagen 3 images. Everything runs in your browser, so your photo never leaves your device.

Remove Gemini Image Watermarks in 3 Simple Steps

1

Select or Drop Image

Drag and drop your Gemini 2.5, Nano Banana, or Imagen 3 picture (PNG, JPG, WebP) directly into the workspace.

2

Automatic Alpha Unblend

The browser canvas automatically detects the watermark coordinates and performs instant reverse alpha math in 18 to 60 ms.

3

Inspect & Download

Slide the interactive before/after handle to verify zero blur, then save as original PNG, JPG, or download batch ZIP.

Supported Formats, Resolutions & Aspect Ratios

EraseMark handles any aspect ratio and resolution output by Google's generative image pipelines:

1:1 Square Generations

Standard 1024x1024 and upscaled 2048x2048 square images from Imagen 3 and Gemini web chat with corner watermark calibration.

16:9 Landscape & Banners

Wide wallpapers and presentation assets (1792x1024, 1920x1080) generated in Google Flow or Gemini Advanced.

9:16 Portrait & Mobile

Vertical smartphone wallpapers, social story dimensions, and portrait photography with clean edge restoration.

Universal Image Encodings

Lossless PNG, high-efficiency WebP, progressive JPEG, and AVIF are processed and exported in original full clarity.

Why the Result is Not Blurry: Reverse Alpha vs. AI Inpainting

Standard "object removal" and "AI watermark eraser" websites use neural inpainting (such as Stable Diffusion or LaMa). Inpainting works by deleting the watermark area and guessing what should be underneath, resulting in noticeable smudges, blurriness, and lost textures.

In contrast, Google's watermark does not delete the original pixels; it overlays semi-transparent white pixels with a specific alpha transparency mask: C_blend = (1 - α) × C_original + α × C_watermark.

EraseMark solves this equation backward for each RGB subpixel: C_original = (C_blend - α × C_watermark) / (1 - α). Because the mathematical alpha transparency curve is exact, your actual underlying pixels are recovered with zero loss of sharpness, zero halos, and zero blurry patches.

Batch Processing & Single-Click ZIP Export

Multi-Image Drag & Drop

Select dozens of Gemini images simultaneously. EraseMark queues them in parallel and processes each image locally in tens of milliseconds.

Bulk ZIP Archive Download

Once all images are processed, click "Download All (.zip)" to save every cleaned file into an organized ZIP archive instantly with zero network waiting.

What EraseMark Does Not Remove: Invisible SynthID

EraseMark is engineered strictly for aesthetic cleanup of visible UI overlays. It does not strip or alter Google DeepMind SynthID cryptographic watermarks or C2PA provenance headers.

SynthID is embedded across digital frequency coefficients during model generation and is designed to survive cropping, color modifications, and compression. EraseMark respects platform provenance and expects users to abide by applicable platform rules and copyright ownership.

Frequently Asked Questions: Gemini Images

Is this image watermark remover completely free?

Yes. EraseMark is 100% free with no subscriptions, watermarks of our own, or hidden export fees. Everything runs directly on your computer or phone.

Are my pictures uploaded to your servers?

No. Your images are processed entirely in your browser using local HTML5 Canvas memory. No external server upload or telemetry is ever performed.

Will my image lose quality or become pixelated?

No. We perform mathematical reverse alpha unblending rather than neural inpainting or compression. All original image dimensions and pixel details are preserved.

Does it remove Google DeepMind SynthID?

No. EraseMark removes only the human-visible corner sparkle icon. The invisible, imperceptible SynthID frequency watermark remains completely untouched.

Can I process images I downloaded previously?

Yes. Any image generated by Google Gemini, Nano Banana, or Imagen 3 with the corner watermark can be unblended at any time.

Which image file formats are supported?

We support PNG, JPEG, WebP, and AVIF formats up to 4K resolution (4096×4096), with single-file and batch ZIP export options.