Free in-browser tool to remove the Gemini sparkle watermark from AI-generated images without uploading or generative repainting
Compress and convert images via REST API with JSON responses
Stage
Not given
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Founded
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Based in
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GB
Pricing model
Free
Freemium
Pricing
Not given
Free: $0 per month with 20 images/month. Pro: $8/month billed annually ($96/year) with 2,500 images/month. Business: $28/month billed annually ($336/year) with 25,000 images/month. Image pack: $5 one-time for 500 images valid 12 months. White label: $70 minimum credits, then $500+ top-ups at $1.00 p
Key features
Local in-browser image processing with no server upload
Fixed-region reverse alpha reconstruction without generative repainting
Truthful before/after and magnified pixel previews
Independent right-edge or bottom-edge crop option
PNG export with no signup required
Supports 1024×1024, 1376×768, 768×1376, and 1408×768 image sizes
Works with JPEG and WebP files in addition to PNG
Automatic artifact detection warnings
Works on desktop and mobile browsers including Safari on iPhone
Download matches preview byte-for-byte with no automatic downloads
Compress images in original format
Convert between formats including WebP and AVIF
Lossless compression mode on Pro and Business plans
Batch processing up to 5 files on Free, 10 on Pro/Business
Custom quality levels on paid plans
REST API for server-side integration
Metadata removal by default, optional retention
Images automatically deleted within 1 hour
Target file size compression option
White label option with custom branding
What makes it different
Pixels never leave your browser—no upload to any server at all
See the exact output before downloading using deterministic math instead of generative AI
Reverses only the documented Gemini overlay without reinventing unknown pixels
Download is byte-identical to the in-browser preview you reviewed
Honest scope: removes visible sparkle only, not SynthID; crop available for unsupported sizes
Quality-first optimization that keeps photograph appearance intact
Private by default with automatic deletion within 1 hour
Gemini Logo Remover
Comprestack