Increase your image resolution 2× or 4× right in your browser, with automatic edge sharpening for a crisper result.
Drop an image here, or click to browse
Processed on your device. Nothing is uploaded anywhere.
Drag and drop or browse any JPG, PNG or WEBP file from your device.
Pick a scale factor and click Upscale — your browser resizes and sharpens it.
Save the upscaled PNG straight to your device, ready to use.
No tool can invent detail that was never captured. SNTools uses high-quality interpolation and edge sharpening to enlarge your image as cleanly as possible, which works best on already sharp, well-lit photos.
Output is capped at 3600px on the longest side to keep processing smooth in your browser. Most photos and social images fall well within that.
No. Everything happens locally in your browser using the Canvas API — your image never leaves your device.
Everything runs locally in your browser — no sign-up, ever.
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