Compress PNG images while keeping the transparent alpha channel. PNG is lossless so the ratio is limited — convert to WebP or JPG in one click for a much smaller file. Processed locally, never uploaded.
Compress Images FreeKeeping PNG output preserves the full transparent background — ideal for icons, logos, and stickers.
PNG lossless compression is limited. Output as WebP or JPG to shrink a further 50%+.
Compression runs locally in your browser. PNGs never leave your device and are cleared on close.
Add up to 20 PNGs at once, apply one setting, and download the batch as a ZIP.
Click to choose or drop PNG images, up to 20 at a time.
Keep PNG to preserve transparency, or switch to WebP/JPG for smaller size; adjust quality.
Click compress, then download individual files or all as a ZIP.
Yes, if you keep PNG output the alpha channel is fully preserved. Converting to JPG removes transparency (white background) — keep PNG or use WebP if you need transparency.
PNG is lossless, so its ratio is inherently limited. For a smaller file, output as WebP (supports transparency and is smaller) or JPG (when transparency isn't needed).
No. All compression runs locally in your browser. Images never leave your device and are cleared on close.
Yes — up to 20 at once, with one setting applied to all, downloaded as a ZIP.
Switch to target size mode and enter the KB. PNG's lossless limit may not reach very small targets — also try converting to JPG or WebP.