Free AI Image Upscaler
Enhance photo quality with AI-powered 2x upscaling. 100% browser-based, privacy-first, no signup required. Upscale images online instantly.
Upload Images to Upscale
Drag & drop or click to select images
JPEG, PNG, WebP • Max 15MB each
Need Professional 4x AI Upscaling?
Upgrade to our premium in-app AI upscaler with 4x upscaling, larger images, and GPU-accelerated server processing for professional results.
Upgrade to PremiumWhy Choose Our AI Image Upscaler?
AI-Powered Enhancement
Advanced Swin2SR model analyzes and enhances image quality with intelligent 2x upscaling.
100% Privacy-First
All processing happens in your browser. Your images never leave your device, ensuring complete privacy.
WebGPU Acceleration
Automatic WebGPU detection for faster processing. Falls back to CPU for universal compatibility.
Works Everywhere
Browser-based tool works on any device. After first load, works offline with cached model.
Free vs Pro Upscaler Comparison
| Feature | Free Tool | Pro Upscaler |
|---|---|---|
| Upscaling power | 2x | 4x |
| Max input size | 2048px | 8192px |
| Max output size | 4096px | 32768px |
| Batch size | 5 images | 100+ images |
| Processing speed | <1s per image | 2-5s per image |
| Privacy | ||
| Acceleration | WebGPU/CPU | GPU Servers |
What is AI Image Upscaling?
AI image upscaling is a revolutionary technology that uses machine learning models to enhance image resolution and quality. Unlike traditional upscaling methods that simply stretch pixels, AI upscalers like our free tool analyze image content to intelligently add details, sharpen edges, and improve overall clarity.
Our free image upscaler uses advanced canvas-based interpolation combined with intelligent sharpening algorithms. It runs entirely in your browser, processing images instantly on your device without any server uploads, ensuring your images remain completely private while delivering high-quality 2x upscaling results.
Common Use Cases for Image Upscaling
- E-commerce product photos: Enhance low-resolution product images for better presentation on your online store
- Social media content: Improve image quality for Instagram, Facebook, LinkedIn posts and stories
- Print preparation: Upscale digital images for printing posters, flyers, or marketing materials
- Photo restoration: Enhance old or low-quality photos to modern standards
- Web graphics: Improve resolution of graphics, logos, or illustrations for high-DPI displays
- Content creation: Enhance images for blog posts, presentations, or video thumbnails
How to Get the Best Results
- Start with the highest quality original image available
- Ensure images are well-lit and in focus before upscaling
- Use JPEG or PNG format for best compatibility
- Keep input images under 2048px for optimal processing speed
- For images larger than 2048px or 4x upscaling, use our Pro Upscaler
- Compare original vs upscaled using the side-by-side slider
Why Choose Browser-Based AI Upscaling?
Browser-based AI image enhancement offers several advantages over cloud-based solutions:
- Complete privacy: Your images never leave your device, ensuring 100% data security
- No upload delays: Process images instantly without waiting for uploads or downloads
- Works offline: After the first load, the model is cached and works without internet
- Unlimited usage: Process as many images as you want without hitting API limits
- Free forever: No subscriptions, credits, or hidden costs