Yes, PNG Minify is completely free. There are no hidden fees, subscriptions, or limits on the number of files you can compress.

Does my image get uploaded to a server?

No. All compression happens entirely in your browser using JavaScript. Your images never leave your device and are never sent to any server.

What is the maximum file size?

Each PNG file can be up to 50 MB. You can compress up to 20 files at once.

How much can I compress a PNG?

Results vary depending on the PNG content, but typical savings range from 30% to 80%. Photographic PNGs compress more than simple graphics or icons.

Do you support JPG, WEBP or other formats?

PNG Minify focuses on PNG only. For WEBP files we recommend using miniwebp.com.

Can I use PNG Minify for commercial projects?

Yes. You can use the compressed images in any personal or commercial project.

Is there a watermark on the output?

No. Your images stay clean — we do not add any watermarks or visual marks to your PNGs.

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#lossless compression

Posts tagged “lossless compression”

5 posts found

The Science Behind PNG Compression: Optimize Your Images

Discover the fascinating science behind PNG compression algorithms, including Deflate and filtering, to understand how lossless image optimization works for web performance.

May 7, 2026

PNG Filtering: Boost Compression for Smaller Files

Unlock better PNG compression by understanding filtering methods. Learn how different filters reduce file size and optimize images for faster web loading. Get smaller files now!

Apr 2, 2026

The Ultimate Guide to PNG Compression: Boost Website Speed & SEO

Unlock lightning-fast website speeds and top SEO rankings with our ultimate guide to PNG compression. Learn how to optimize PNGs effortlessly with pngminify.com.

Mar 25, 2026

The Ultimate Guide to PNG Compression: Boost Web Performance & SEO

Master PNG compression to optimize images, reduce file size, and skyrocket website speed. Learn techniques, benefits, and how pngminify.com makes it easy for better SEO.

Mar 25, 2026

The Ultimate Guide to PNG Compression: Boost Your Website Speed & SEO

Unlock faster websites & better SEO with our ultimate PNG compression guide! Learn how to optimize PNGs, reduce file sizes, and boost performance. Try pngminify.com for free!

Mar 25, 2026