Free AI image upscaler to enlarge photos to 8K with no sign-up required
High-fidelity photorealistic AI image generation with natural prompting
Stage
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Founded
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Based in
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Pricing model
Freemium
Open source
Pricing
Free tier with limited trial credits. Monthly subscription plans: $9.99/month billed annually (200 credits, up to 200 images/month). One-time credit packs starting at $9.99 (100 credits). Monthly plans also available with 400, 800, 2,000, or 4,500 credits per month. One-time packs include 100, 200,
Free and open source
Key features
Upscale images to 1K, 2K, 4K, or 8K resolution
Batch processing for multiple images at once
Support for JPG, PNG, and WebP formats
No watermark on downloaded images
No sign-up or login required for free tier
AI detail recovery rebuilds edges and textures
Cloud storage for 24 hours (free) or 180 days (paid)
Upload limit 5MB (free) or 20MB (paid)
Commercial use rights on paid plans
High-fidelity skin and eye rendering with fine pores and light reflections
Robust composition coherence for multi-subject scenes and action shots
Baked-in VAE with optimized color tuning
Simple natural language prompting without complex templates
Compatible with ComfyUI, Automatic1111, and Forge
Works with popular SDXL ControlNets and IP-Adapters
Thousands of compatible LoRAs available
Optimized CFG sensitivity for high quality at lower scales
Natural light scattering and structural accuracy
Experimental Catalyst branch for continuous model evolution
What makes it different
Free access without requiring sign-up or login
AI rebuilds missing detail instead of just enlarging pixels
Watermark-free downloads at full resolution
Batch processing allows upscaling multiple images in one workflow
Upscale up to 8K resolution for presentations, prints, and large displays
Minimal prompting complexity with natural language descriptions instead of complex embeddings
Eliminates artificial AI textures and generic rendering artifacts
Open-source with commercial use permissions
Seamless integration into existing AI image generation workflows
Continuously refined through community feedback and experimental development
ImgEnhancer
CyberRealistic XL