Image Upscaler
Upscale images x2 or x4 with AI-enhanced quality
About this tool
Enlarge your images 2x or 4x with high-quality AI-enhanced upscaling. Uses Lanczos resampling combined with smart sharpening to produce crisp, detailed results. Everything runs locally in your browser — your images are never uploaded. Compare before and after with an interactive slider. Part of aukimi Inkwell.
Features
- x2 and x4 upscaling
- Lanczos resampling with smart sharpening
- Before/after comparison slider
- Adjustable sharpness control
- 100% local — images never leave your device
Use cases
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Save your work, access the full creative suite, and export without watermarks.
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Frequently Asked Questions
Is Image Upscaler really free?
Yes, 100% free with no hidden fees. You can use it as many times as you want, directly in your browser.
Do I need to create an account?
No account is required. However, creating a free aukimi account removes watermarks and lets you save your work.
Is my data safe?
Yes. All processing happens locally in your browser. Your files are never uploaded to our servers.
Can I use the results for commercial projects?
Absolutely. Everything you create with our free tools is yours to use however you like, including for commercial purposes.