Image Upscaler
Enlarge images 2×, 3× or 4× with high-quality smoothing.
How to use Image Upscaler
Follow these steps — everything happens instantly in your browser.
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Step 1. Drop an image onto the zone.
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Step 2. Choose a scale factor — 2×, 3× or 4×.
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Step 3. Click “Upscale & download” — the enlarged image is generated locally.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about image upscaler.
Image Resizer
Resize images to exact pixel dimensions with optional aspect-ratio lock.
Image Compressor
Shrink JPG, PNG & WebP files with a quality slider — private & instant.
Image Converter
Convert images between PNG, JPEG and WebP — no upload, no watermark.
Bulk Image Resizer
Resize a batch of images to a max box and download them all as a ZIP.