First run loads the AI model (a few MB, from CDN), then upscaling happens locally. If your device's GPU can't run the AI model, it automatically falls back to a high-quality enhancer so you still get a clean, enlarged image.
Drop files here, or click to browse
Drop one or many images · automatic bulk mode for multiple files
Bulk supported. Drop multiple files and they'll be processed in a queue with a single ZIP download. Same settings apply to every file.
How to use
01
Upload an image
JPG, PNG or WEBP, up to 5 MB.
02
Choose 2x or 4x
Pick how much larger you want the result.
03
Upscale and download
The AI runs in your browser, then download the enhanced PNG.
Why AI Image Upscaler
- Real ESRGAN AI super-resolution, not a plain stretch.
- Upscaling runs in your browser, your images never leave your device.
- Free, no watermarks, no sign-up, no limits.
- Before/after preview with exact output size.
Common questions
Is AI Image Upscaler free to use?
Yes. AI Image Upscaler is completely free. There is no sign up, no trial, and no usage cap.
Do I need an account to use AI Image Upscaler?
No. You can start using AI Image Upscaler straight away. We do not ask for an email address or a login.
Is my data uploaded to a server when I use AI Image Upscaler?
No. AI Image Upscaler runs entirely inside your browser, so the files you enter never leaves your device and nothing is sent to us.
Do you store the files I use with AI Image Upscaler?
No. Because everything happens locally in your browser, there is nothing for us to store. Close the tab and it is gone.
Which image formats does AI Image Upscaler support?
Common web formats such as JPG, PNG, and WebP are supported, along with others depending on the specific task.
Will AI Image Upscaler reduce my image quality?
AI Image Upscaler aims to keep quality high. Where compression is involved you stay in control of the trade off between size and quality.
Are my images private when I use AI Image Upscaler?
Yes. Image processing happens in your browser, so your pictures are not uploaded to a server.
How do I use AI Image Upscaler?
Enter or paste your files and AI Image Upscaler updates the result as you go. When it looks right, copy or download it with one click.
Does AI Image Upscaler work on phones and tablets?
Yes. AI Image Upscaler is responsive and works in any modern browser on mobile, tablet, and desktop.
Which browsers does AI Image Upscaler support?
It works in current versions of Chrome, Firefox, Safari, and Edge. For the best experience, keep your browser up to date.
Is there a limit on how often I can use AI Image Upscaler?
No. You can use AI Image Upscaler as many times as you need, at no cost.
Can I use AI Image Upscaler for commercial or client work?
Yes. You are free to use the output in personal, educational, and commercial projects.
Why is AI Image Upscaler free?
The site is supported by advertising, which lets us keep every tool free and open to everyone.
What should I do if AI Image Upscaler gives an unexpected result?
First check that your files is formatted as expected. If something still looks wrong, use the feedback link on the page and we will take a look.