PNG Compressor
Compress PNG images with full-color or reduced-palette output. Keep transparency, compare the result and download your optimized PNG locally.
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Image exports are still images. PNG preserves transparency; JPG uses a solid background. Large files and batches depend on your device memory. Always preview important results before sharing.
About PNG Compressor Online
Optimize screenshots, illustrations and transparent graphics. Full-color mode preserves the decoded colors, while a smaller palette trades color variety for possible size savings. Palette reduction can affect gradients, so inspect the output before downloading.
How to use this tool
01 · Prepare your input
Choose a supported image from your device, or try the built-in sample.
02 · Choose a PNG palette
Use full-color output or select a smaller palette. Set a maximum width if the source is larger than needed.
03 · Review the result
Compress the PNG and inspect transparent edges, gradients and the reported file size before saving.
Before you download.
What to know about PNG Compressor Online.
Is PNG palette reduction lossless?
No. A reduced palette can change colors and gradients. Full-color mode avoids palette reduction, but a new PNG may still be larger than the source.
Are my files uploaded for processing?
No. File contents are processed in your browser. The site, codecs and any required models still need to load over the network; local results depend on your device and browser.