AI image creation for avatars, portraits and memes
Free online converter to turn photos to grayscale with multiple methods, brightness and contrast controls, and browser-based processing
Stage
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Founded
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Based in
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Pricing model
Freemium
Free
Pricing
Free plan with 12,000 monthly credits. Starter: 36,000 monthly credits. Pro: 105,000 monthly credits. Premium: includes daily check-in bonuses. Annual billing saves approximately 33-35% compared to monthly. Credit packs available as one-time purchases that never expire. Commercial licensing availabl
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Key features
AI avatar generation
Portrait generation from selfies
Photo restoration and enhancement
Multi-platform output sizing
Batch generation and multiple variations
Four grayscale conversion methods: Weighted, Average, Maximum, Minimum
Adjustable brightness and contrast controls from -100 to +100
Real-time preview of adjustments
Support for JPG, PNG, and WebP formats
Browser-based processing with no server upload
Download as PNG to preserve transparency
No watermarks or signup required
Weighted method uses ITU-R BT.709 industry standard luminance
Multiple related tools: Monochrome, Desaturate, Sepia, Vintage, and effects
What makes it different
Free to start with no credit card required
Full commercial rights for Pro and Premium users
Private uploads with no training or sharing of photos
Transparent credit pricing before generation
Four different grayscale algorithms to choose the right output for your photo
Privacy-first approach with all processing in browser and no image uploads
Practical focus on specific workflows rather than generic one-click effects
Educational guides explaining technical concepts and when to use each method
Instant results without upload or download wait times
Artifox
Grayscale Image