Compress PNG Images to 20KB
Need to compress a PNG image to exactly 20KB? ImageSmith's binary search algorithm automatically finds the highest quality setting that fits your 20KB file size target. Ultra-compact size for inline email images, tiny thumbnails, and icon-sized graphics. This size is perfect for: email inline images, tiny thumbnails, icon graphics, SMS attachments.
Other PNG Size Targets
Compress PNG to 20KB — FAQ
Upload your PNG image to ImageSmith, switch to "Size" mode, set the target to 20KB, and click Compress. ImageSmith automatically finds the optimal quality setting to achieve 20KB.
ImageSmith targets 20KB using binary search over quality settings. Results are typically within 5–10% of the target. The exact achievable size depends on image content — highly detailed images may not compress as far as simple graphics.
Ultra-compact size for inline email images, tiny thumbnails, and icon-sized graphics. Common use cases include: email inline images, tiny thumbnails, icon graphics, SMS attachments.
Ultra-compact size for inline email images, tiny thumbnails, and icon-sized graphics. For PNG specifically, lossless compression means 20KB is achieved by converting to a more efficient format like WebP.