Image Upscaler
Enlarge images 2x or 4x in your browser
Drop an image
🔒 Files never leave your device
How it works
- 1Upload
Drop or select your image.
- 2Adjust
Set the options that fit your use case.
- 3Download
Save the result to your device.
About Image Upscaler
Image Upscaler. Runs entirely in your browser — no uploads, no signup, no watermark. Image Upscaler on DashConvert runs entirely inside your browser using modern JavaScript APIs — no server ever sees your files. That means faster conversions, complete privacy, and no upload limits.
Whether you need to enlarge images 2x or 4x in your browser for work, study, or personal use, this tool is free to use as many times as you need. There are no watermarks, no sign-up, and no ads inside your documents.
Frequently asked questions
Are my images uploaded?
Never. Everything runs in your browser.
Is this AI upscaling?
No — true AI upscaling requires a large model that would take minutes to download. This tool uses high-quality browser bicubic scaling. Fast, but not miraculous.