ToolCubbyIncrease Image Size in KB
Make an image bigger to a target size in KB — upscale and re-encode to reach a minimum file size, privately in your browser.
How to use
- Select an image from your device.
- Enter the target size in KB (e.g. 50, 200).
- Choose an output format.
- Click Increase Size, then download the result.
FAQ
When would I increase file size?
Some platforms have a minimum upload size or require a certain resolution. This tool helps you hit a minimum file size or larger dimensions for a specific requirement.
Will a small image look bad?
The tool upscales intelligently and uses high quality, so it's sharper than simply re-encoding a tiny file. Very large targets may look soft, but the result is optimized for the target.
Can I set dimensions too?
This tool targets file size in KB; use the Image Resizer to set exact width and height.