Compress Image to 20KB, 50KB & 100KB
Reduce JPG, PNG and WebP images to a target file size, adjust quality or dimensions, preview the result, and download the compressed image from your browser.
Drop Your Photo Here or Click to Browse
Supports JPG, PNG, and WebP formats. Processing starts in your browser after you select an image.
How to Reduce Images to a Target KB Size
Choose Your Image
Choose a JPG, PNG, or WebP image. Compression is performed in your browser using the page's image-processing code.
Set Target KB
Enter a target such as 20KB, 50KB, or 100KB. The target mode searches for a compressed result at or below the requested size.
Download Result
Review the file size, dimensions, and preview, then download the result for the website, form, or application you are using.
Common Target File Sizes
| Target Size | Typical Use | What to Check |
|---|---|---|
| 20 KB | Small signatures or tightly limited uploads | Confirm the portal's own size and dimension rules |
| 50 KB | Small photos and application uploads | Check required format, dimensions, and file size |
| 100 KB | Forms, profiles, and document-image uploads | Use the site's current upload specification |
| 200 KB | When a larger compressed image is acceptable | Prioritize the required dimensions and format |
What This Image Compressor Does
CompressCraft is a browser-based image size reducer for situations where an upload form expects a smaller file. It supports JPG/JPEG, PNG, and WebP input, lets you choose a target size in KB, and also provides manual quality, output-format, and resolution controls. The preview shows the generated image dimensions and the resulting file size before download.
Important: “Target KB” Is Not a Guaranteed Exact Byte Count
In target mode, the compressor searches for an output that is at or below your requested size. Image encoders work in discrete quality and dimension combinations, so the result can be smaller than the target rather than exactly equal to it. Very small targets can also require reducing image dimensions, which may visibly affect quality.
Frequently Asked Questions
Can I compress an image to 20KB, 50KB, or 100KB?
Yes. Choose Target Size (KB), enter the limit, and the tool searches for a compressed result at or below that target. Check the final file size after processing.
Is my image uploaded to a KTools server?
The image-compression code in this page uses the browser's FileReader and canvas APIs and does not contain a KTools image-upload request. The page itself still loads site services such as Google Analytics and AdSense.
Which formats can I use?
You can select JPG/JPEG, PNG, or WebP images. The tool can export JPEG, PNG, or WebP. Browser support for image encoding can vary.
Does compression reduce image quality?
JPEG and WebP compression can reduce image quality as file size is reduced. Resizing also reduces resolution. PNG uses lossless encoding, so its quality behavior is different.
For government forms, exams, visa applications, marketplaces, or other upload portals, always check the destination site's current requirements. A portal may specify dimensions, aspect ratio, file format, maximum file size, or other rules in addition to the KB limit.