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.

← Back to blog

#page speed

Posts tagged “page speed”

3 posts found

Beginner's Guide to Web Image Optimization

Learn web image optimization essentials for faster sites, better SEO, and enhanced user experience. Discover formats, compression, and tools like PNGMinify to boost your website.

Aug 26, 2026

How to Audit Your Website Images for Performance Issues

Learn how to audit your website images for performance issues. Boost site speed, improve SEO, and enhance user experience with our comprehensive guide.

May 10, 2026

Next-Gen Image Formats: Boost Speed & SEO with WebP & AVIF

Unlock faster websites and better SEO with next-gen image formats like WebP and AVIF. This guide covers adoption strategies, benefits, and how to optimize your images for the modern web.

Apr 4, 2026