Image Tools
Image Upscaler
Upscale any image 2×, 3×, or 4× using browser-native interpolation. Free, no upload, instant.
Scale:
Drop an image here or click to upload
Supports JPEG, PNG, WebP
Browser upscaling via Canvas bilinear interpolation. For AI upscaling (Real-ESRGAN, waifu2x), see Upscayl (desktop app). Image never leaves your browser.
How to Upscale an Image Online Without Losing Quality
What image upscaling is, the difference between bilinear interpolation and AI upscaling, when each approach is appropriate, and privacy considerations.