Image Upscaler
Enlarge small images 2× or 4× with high-quality smoothing for cleaner edges than a raw stretch. Great for thumbnails and web graphics — all processed locally.
Drop an image here, or click to browse
JPG, PNG, or WebP
How to use Image Upscaler
Upscale and enlarge images online. Increase resolution 2× or 4× with smooth interpolation, then download the larger image. Free, private, in your browser.
- Open Image Upscaler using the tool above — no sign-up needed
- Enter your data or upload a file (processed entirely in your browser)
- Click the action button and get your result instantly
- Copy to clipboard or download your result
Your data never leaves your device — 100% private processing.
Frequently Asked Questions
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Why use Image Upscaler?
- Lossless and lossy compression options to balance quality vs file size
- Supports all major formats: JPEG, PNG, WebP, AVIF, GIF
- Batch operations keep filenames and folder structure intact
- Runs client-side — no image data ever leaves your device
Common use cases
- Resize product photos before uploading to an online store
- Compress images to pass file-size limits on job application portals
- Convert PNG screenshots to WebP for faster web pages
- Create thumbnails for YouTube or social media posts
- Remove backgrounds from profile photos
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