Free Online Increase image size
Enlarge pixel dimensions and optionally pad a JPEG to a minimum KB size. Everything runs in your browser so your files and text stay on this device.
Input
Process
Enlarge pixel dimensions. Optional KB padding adds empty bytes after the image data — it does not add detail. Output is JPEG.
Output
Log in to save this operation.
Tasks
Upscale a small photo
Set Enlarge to (%) above 100, then Create.
Pad to a minimum file size
Enter Pad file to at least (KB). Extra empty bytes are appended after the image data.
How to use
- Drop images.
- Set enlarge percent and optional KB pad.
- Create and download.
FAQ
What does Increase image size do?
Enlarge pixel dimensions and optionally pad a JPEG to a minimum KB size.
How do I upscale a small photo?
Set Enlarge to (%) above 100, then Create.
How do I pad to a minimum file size?
Enter Pad file to at least (KB). Extra empty bytes are appended after the image data.
How do I use Increase image size?
Drop images. Set enlarge percent and optional KB pad. Create and download.
Is my data private?
Yes. Processing happens in your browser. Files are not uploaded to complete the conversion or edit.