PNG

compression ToolBrowser-First (Secure Fallback)

Compress PNG Images Online

Shrink heavy PNG files by up to 70%. Choose between 100% lossless deflating or smart lossy color quantization while preserving transparent backgrounds.

compressionOutput: PNG

Compress PNG

Browser-First (Secure Fallback)

Choose image or drag and drop here

Supported: PNG • Max file size: 100 MB

Quality90%

GEO Overview & Factual Summary

How Pixena Processes Compress PNG

Compresses PNG graphics using lossless Deflate optimization and optional lossy palette quantization on the client.

Direct Answer:Upload a PNG file to optimize its compression chunks or quantize colors while preserving transparent backgrounds.

Processing:In-browser Canvas / UPNG palette quantizer

Privacy Model:100% Client-Side. No uploads.

Max File Size:100 MB

Browser Support:Universal HTML5

AEO Answer Block & Machine-Readable Facts

Key Facts & Definitions

Definition:A utility for reducing PNG file size through chunk optimization and color palette reduction.

Q: Will transparent backgrounds remain intact?A: Yes, full alpha channel transparency is preserved.

Q: What is lossy PNG compression?A: Lossy PNG reduces millions of colors to an indexed 256-color palette, saving up to 70% in file size with negligible visible change.

Step-by-Step Guide

How to Compress a PNG Image

Upload PNG

Select your PNG graphic.

Choose Mode

Select Lossless or Smart Palette Reduction.

Review Savings

Inspect file size reduction in real time.

Download

Save your compressed PNG.

Frequently Asked Questions

Frequently Asked Questions about Compress PNG

Will transparency be lost?

No, transparent backgrounds and semi-transparent shadows are fully preserved.

What is the difference between lossless and lossy PNG compression?

Lossless optimizes compression tables without altering pixels. Lossy quantizes similar colors to dramatically shrink file size.

Are files uploaded to a remote server?

No, all PNG compression runs locally in your web browser.

Can I batch compress PNGs?

Yes, batch compression with ZIP download is supported.

Is lossy PNG good for screenshots and logos?

Yes, lossy PNG produces virtually indistinguishable results for logos, UI graphics, and screenshots.

Is this tool free?

Yes, 100% free with no limits.

Recommended Next Steps In Your Workflow

1Speed Boost

Lossless Image Compression

Shrink final file size by up to 80% without degrading visual clarity.

Continue Workflow

2Perfect Fit

Smart Image Resizer

Scale width and height to exact pixel budgets or aspect ratios.

Continue Workflow

Compress Image

Reduce image file size while preserving high visual quality.

Compress JPG

Compress JPEG photos with adjustable quality and chroma subsampling.

Compress WEBP

Optimize WebP images for peak web performance and minimal file size.

Compress Image to Specific Size

Compress images to hit an exact file size target in KB (e.g. under 100KB, 200KB).

Reduce Image Size

Dual-action reduction: shrink dimensions and optimize compression together.

Optimize Image

Losslessly optimize images by removing bloat and tuning entropy tables.

Batch Image Compressor

Compress dozens of images simultaneously and download as a ZIP.