WebP offers 40%~80% smaller size than legacy JPG/PNG.
Oversized images will be downscaled proportionally within threshold.
Claim free token quota. Ultra-low latency streaming for Qwen & DeepSeek models.
Engineered for UI designers, icon creators, and e-commerce merchants. True lossless compression preserving every transparent pixel — no server upload required.
Alpha channel and every pixel edge are preserved perfectly. No lossy artifact, no color banding — safe for logos, icons, and UI screenshots.
Reduces unique color count with perceptual similarity clustering, achieving 30%~60% size reduction while maintaining visual fidelity indistinguishable to the human eye.
Full RGBA transparency support. Your stickers, watermarks, and icon layers remain pixel-perfect after compression.
Master PNG Lossless Compression & Alpha Preservation in 3 easy steps
Drag .png files or entire folders into the workspace for batch processing.
Higher quality = larger file. Recommended 80%~90% for icons; 70%~80% for screenshots.
Download individually or use ZIP packaging for bulk export.
Answers about usage, format limits & privacy
Utilizes browser-native Canvas 2D with PNG filter optimization pipeline and deflate compression tuning, achieving maximum size reduction without color space conversion.