| Tool | What it does | Best for | |------|-------------|-----------| | | 2x or 4x resolution, reduce noise | Product photos | | Clipdrop Image Upscaler | AI upscale, sharpen details | Logos, illustrations | | Hugging Face Real-ESRGAN | Free, open-source upscaling | Any low-res image | | Canva (free) | Sharpen, adjust lighting, resize | Social media graphics |