Compress PNG Images — Free & Instant
Reduce PNG file size up to 80% without losing quality. No signup, no upload to server — everything stays in your browser.
Drag & drop PNG images or click to browse.
Max 20 files • PNG only • < 50 MB each
Higher = smaller file. Target ≈ 40% of original size.
How it works
Three simple steps to smaller PNGs.
1. Upload
Drag & drop your PNG files or browse from your device. We only accept PNG — no JPG or WebP.
2. Compress
PNG Minify optimizes your images entirely in the browser, using adjustable quality settings.
3. Download
Download individual files or all at once as a ZIP archive, ready to use on web or apps.
Features for modern workflows
Browser-side only
Compression runs in your browser. Images are never uploaded to any server.
Batch compression
Drop up to 20 PNG files at once and compress them in a single run.
Quality control
Fine-tune the compression level with a simple slider to balance size and quality.
Practical size limits
Each PNG can be up to 50 MB — large enough for most design and product assets.
Free forever
No paywalls, no credits. PNG Minify is free to use for everyone.
No watermark
Your images stay clean — we never stamp or modify them beyond compression.
Frequently asked questions
Is PNG Minify free?+−
Yes. PNG Minify is completely free to use. There are no hidden fees or usage limits.
Does my image get uploaded to a server?+−
No. All compression happens locally in your browser using JavaScript. Your PNGs never leave your device.
What is the maximum file size?+−
Each PNG file can be up to 50 MB, and you can compress up to 20 files at a time.
How much can I compress a PNG?+−
It depends on the image. Many PNGs can be reduced by 30–80% without visible quality loss, especially photographic content.
Do you support JPG, WEBP or other formats?+−
PNG Minify is focused 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.
Related tools
A growing suite of minify tools for every format.
From the blog
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