Resize Image to 300KB Online
Reduce an image to about 300 KB for forms, portals and everyday uploads.
Choose an image
JPG, PNG, WebP and common image formats. Processing happens in your browser.
How to resize image to 300kb online
- Select your image.
- Keep the preset target or enter another KB value.
- Choose JPG or WebP output.
- Click Compress to Target Size, check the result, then download it.
Useful tips
- Use JPG for photographs and WebP when you want a strong size-to-quality balance.
- For very small targets, reducing image dimensions can help reach the requested file size.
- Check the downloaded image before uploading it to an application or website.
Why use this preset?
Many application portals and upload forms limit image file size. This page starts with a 300 KB target so you do not need to guess compression settings. Always verify the receiving website's current size, dimensions and format requirements before submitting.
Frequently asked questions
Will the image be exactly 300 KB?
The tool aims for 300 KB or slightly below. The final size can vary depending on image detail and dimensions.
Does GetFormDone upload my image?
No. The compression work happens in your browser.
Can I use the result for online forms?
Yes, if the receiving form accepts the output format, dimensions and file size.