About the Image Upscaler
Enlarge images 2x, 3x or 4x online for free with smooth scaling and sharpening. Private, in your browser.
Upscaling is useful for printing or filling a larger frame. Output is limited to about 12,000 px on the long edge so your browser does not run out of memory.
PixTools runs on your device, so it is fast and your pictures never leave it.
How to use it
- 1Drop one or more images into the box or click to browse.
- 2Adjust the settings and watch the preview update.
- 3Download the result, or all files as a ZIP.
Why use this tool
Private by design
Your files are processed on your device and never uploaded.
Free, no signup
No account, no watermark and no daily limit.
Batch ready
Add many images at once and download a ZIP.
Works on phone and desktop
A responsive layout that fits any screen.