Increase image size online
Need to make an image file bigger in KB or MB, not just in pixels? This free tool increases your image’s file size to meet upload requirements, printing standards, or platform-specific limits — all directly in your browser.
No software, no signup, and no waiting.
↥
Increase Image Size
Drag & drop an image here, or
JPG, PNG, WEBP • Your image stays in your browserORIGINAL IMAGE—
RESIZE SETTINGS
Browser basedMake your image larger
↔
READY TO DOWNLOAD
Enlarged image
How It works
How to Increase Image Size
01
Upload Your Image
Select or drag and drop your image file. JPG, PNG, and WEBP formats are supported.
02
Set Your Target Size
Enter the file size you want in KB. For example, if your image is currently 50 KB and you need 200 KB, simply enter 200.
03
Process and Download
Click the button to increase the image size, then download the result instantly.
Why You Might Need to Increase Image Size
Most tools online focus on shrinking images — but some situations call for the opposite.
Meeting upload requirements
some forms, portals, or government applications require a minimum file size, not just dimensions
Printing purposes
certain print services set a minimum file size threshold for quality assurance
Platform-specific rules
some job or visa application systems reject files that are “too small,” even if the image looks fine
Document submissions
official forms sometimes flag very small images as low quality or suspicious
Key Features
Exact KB Target
Set a specific file size in KB, and the tool adjusts your image to match it as closely as possible.
Fast, Browser-Based Processing
Everything happens locally in your browser. Nothing is uploaded to a server, keeping your images private.
Multiple Format Support
Works with common image formats including JPG, PNG, and WEBP.
No Signup Required
Use the tool as many times as you need, completely free.
FAQs
Frequently Asked Questions
Why would I need to increase an image's file size?
Some forms, applications, or printing services require a minimum file size, even if your image already looks fine visually. This tool helps you meet those specific requirements.
Does increasing file size affect image quality?
The tool adjusts file size while aiming to preserve visual quality as much as possible. Since you’re increasing size rather than compressing, quality loss is minimal in most cases.
Can I set an exact KB value?
Yes, you can enter your exact target size in KB and the tool will process your image to match it as closely as possible.
Is this tool free to use?
Yes, it’s completely free with no signup or file limits.
Are my images uploaded anywhere?
No. All processing happens directly in your browser, so your files stay private.
What image formats are supported?
JPG, PNG, and WEBP formats are supported for both upload and download.
Increase Your Image Size Now
Upload your image above, set your target KB size, and download instantly.