How it works
How to use Image Upscale online
- Choose the file or files requested by the tool.
- Adjust any available settings for the output you want.
- Run the tool in your browser and download the finished result.
Image tool
Image Upscale
Enlarge images with a deterministic client-side resampling path.
Add your input
Your file stays in this browser.
Good to know1 file · 50 MB max
Upload a JPG, PNG, WebP, GIF, or BMP fileResult: PNG file
- High scales can amplify JPEG artifacts.
Overview
Image Upscale for private browser work
Enlarge images with a deterministic client-side resampling path. This page keeps the input, output, browser requirements, and practical limits visible before you run the tool, so you can choose the right workflow for the file.
Input
Upload a JPG, PNG, WebP, GIF, or BMP file
Output
PNG file
Limits
1 file · 50 MB max
Best for
Image Upscale use cases
- Turn upload a jpg, png, webp, gif, or bmp file into png file without creating an account.
- Run a quick image upscale job before sharing, archiving, or publishing a file.
- Check the 1 file · 50 mb max guidance before using larger or unusual inputs.
Processing
What happens in your browser
PrivConvert uses Canvas 2D and Canvas image scaling for this workflow. 4 adjustable settings. This tool checks for offscreen canvas support before running
High scales can amplify JPEG artifacts.
Related tools
Keep working with this file
FAQ
Image Upscale questions
Is Image Upscale free to use?
Yes. This tool is free to use in your browser and does not require an account.
Are my files private?
PrivConvert is designed for local-first processing. Files are handled in your browser when supported and are not uploaded for account-based storage.
Why might a file fail to process?
High scales can amplify JPEG artifacts.