Image compressor
Compress images online and reduce file size while controlling quality. Works in your browser.
Image upscaler
Enlarge an image by 2×, 3×, or 4× using local high-quality resizing.
Works on your device. Your files are never uploaded.
Preparing this page for offline use…
Local resizing; no AI detail reconstruction.
How to use Image upscaler
Select an image and choose an enlargement factor. Smooth resizing suits photos; nearest-neighbor preserves pixel art. This is conventional resizing and does not invent missing detail. Output is limited to 32 megapixels and 8,192 pixels per side.
Files and calculations stay on your device. After this page and its assets have loaded, it works without an internet connection.
Image upscaler FAQs
Is Image upscaler free?
Image upscaler is a free online tool on ReallyUseful.Tools. No account is required.
Does Image upscaler run in my browser?
Image upscaler is designed to run in your browser where supported, so files can stay on your device instead of being uploaded to a server.
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