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Drop your PNGs, pick a compression level, download the lighter files. Everything runs in your browser — nothing is uploaded.
Drag & drop your PNG file, or click Choose Files to browse.
Set the compression level — balanced by default, or squeeze harder for the smallest file.
Click Compress and compare the before/after size instantly in your browser.
Download your compressed PNG free — transparency intact, and nothing was uploaded.
Built for speed, privacy and reliability — on any device.
Alpha channels survive compression — logos and overlays keep their clear backgrounds pixel-perfect.
Strip metadata and optimize encoding to cut PNG sizes dramatically, with a clear before/after comparison.
Compression happens on your device. Files are never uploaded, so there's no cap and no privacy worry.
Balanced by default for web use; the slider lets you decide exactly how far the squeeze goes.
Compress as many PNGs as you need at zero cost — no account, no daily limits, any device.
Never. Compression re-encodes the image data but leaves alpha channels alone — transparent areas stay transparent, pixel for pixel.
Typically 30–70% depending on the image. Screenshots and graphics with flat colors shrink the most; photos saved as PNG are already bulky, so they drop hardest.
It can be. Standard PNG compression is lossless, and this tool preserves detail that way by default. Aggressive levels may trade a little fidelity for size — the preview shows you the difference first.
Yes. Drop multiple PNGs and the same settings apply across the whole batch — perfect for slimming down an entire design project or blog's graphics in one go.
The tool works in all modern browsers including Google Chrome, Mozilla Firefox, Microsoft Edge, Safari and Opera. We recommend keeping your browser up to date for the best experience.
Reduce PNG file size while keeping transparency