Best Free AI Image Upscalers to Enhance Photo Quality (2025)
AI image upscalers help you enhance low-resolution images into stunning high-definition visuals. Whether you need to enlarge illustrations, sharpen old photos, or upscale to 4K, these AI-powered tools can do it in seconds—many of them for free.
AI Image Upscaler Free Tools
BigJPG
Free AI-based image enlarger for illustrations and anime with smart noise reduction.
Let's Enhance
Online upscaler that enhances image resolution with AI for free (limited credits).
ImgUpscaler
Simple AI image enhancer offering free 2x/4x upscaling for photos and anime.
Image Upscaler Online Free
ImageUpscaler.com
Online AI tool to upscale photos for free without registration, supports JPG & PNG.
Media.io Image Upscaler
Online tool to upscale and enhance images up to 4K with a few clicks.
Upscale Image to 4K Resolution
AI Img Enlarger
AI upscaler that increases resolution up to 4K for prints, portraits, and logos.
Upscayl – Open Source Image Upscaler
Upscayl
Free, open-source desktop app using AI to upscale images up to 16x on your computer.
Gigapixel AI (Topaz)
Professional-grade image enhancer that uses deep learning to enlarge images while preserving quality.
AI Upscale and Download Tools
VanceAI
Powerful AI tool for upscaling and batch downloading up to 8x, including face enhancement.
Upscale.media
Free AI-based image upscaling tool that enhances photo resolution and quality online with just one click.