Resize Image to 30KB Free Online
Upload your photo or scanned document to resize it under 30KB instantly. Safe, local, 100% in-browser utility.
Your image has been optimized and compressed to under 30KB.
How to Compress JPG / PNG Image to 30KB Online
Government recruitment portals and school application forms in many regions specify file boundaries between 10KB and 30KB. ResizeKB makes it easy to fulfill these boundaries. Our tool applies mathematical interpolation on canvas pixels to guarantee a file size under 30KB, without completely stripping the image details. Signatures, marksheets, and face photos can be resized in seconds.
Frequently Asked Questions
Drag your JPG/PNG file into the upload area above. The script calculates a local scaling factor, running a fast quality loop in the browser. When the output drops below 30KB, the download button appears.
Yes. Scanned certificates, mark sheets, and thumbprints compress very cleanly to 30KB since they contain less complex color spaces. Highly detailed color photos may experience a minor reduction in resolution to stay under the 30KB limit.
No. We do not run any backend servers for file processing. All code is run in-browser in your local memory. None of your data is sent across the internet.
Yes, the tool converts PNG to JPEG automatically. JPEG has a highly optimized compression system, which is required to achieve file sizes under 30KB.