Compress PNG Images Online
Compress PNG images with alpha transparency preservation.
or drop images here
About Compress PNG Images Online
Compress PNG on ILoveJPG provides lossless and visually lossless PNG compression tailored for web graphics, transparent logos, UI screenshots, and digital illustrations. High-resolution PNG files frequently exceed several megabytes due to uncompressed 32-bit RGBA color buffers; our tool shrinks them by up to 80% without losing alpha transparency.
Using advanced Deflate filtering heuristics, palette color quantization, and zlib buffer streaming, the compression engine eliminates invisible redundant pixel blocks while preserving pixel-perfect line sharpness and transparency channels.
Process multiple PNG assets simultaneously with batch upload and single-click ZIP archive download. Because all processing executes in-browser via sandboxed Web Workers, your corporate assets, UI designs, and personal graphics remain completely confidential.
How to use Compress PNG Images Online:
Select and upload your PNG images.
Set your compression level.
Click Compress and review the saved percentage.
Download your compressed PNG.
When People Use It
Government & Job Portal Applications
Meet strict upload caps (e.g., 20KB, 50KB, 100KB, or 200KB) for SSC, UPSC, state PSC exams, visa applications, and job portals without upload rejections.
Web Performance & Core Web Vitals
Shrink payload weight dramatically to improve Largest Contentful Paint (LCP), reduce page load times, and maximize Google PageSpeed Insights rankings.
Email & Messaging Attachments
Bypass strict 5MB to 25MB attachment limits on Gmail, Outlook, and messaging apps by compressing heavy photo attachments in seconds.
Mobile Storage & Bandwidth Economy
Reclaim precious smartphone and cloud drive storage by compressing large camera rolls and high-resolution photo archives without noticeable loss.
Privacy
Your photos are processed inside your browser. Files are not sent to our servers. For details on what data the site itself collects, see the Privacy Policy.