Compress PNG Online — Reduce PNG File Size
Compress PNG images online for free. Lossless PNG compression in your browser.
Open Image Compressor →Get the job done quickly and easily with our free image compressor tool. It’s designed to be simple, fast, and private.
All processing happens locally in your browser. Nothing is uploaded to any server. Your files stay on your device. No signup, no email, no credit card.
PNG files are lossless by nature, which makes them perfect for logos, screenshots, and graphics with transparency. However, they’re often larger than necessary. Compressing PNGs removes unused color data and optimizes compression without affecting the image quality.
Our PNG compressor strips unnecessary metadata, optimizes color palettes, and applies advanced compression strategies. The result is a PNG that looks identical to the original but is 40-70% smaller. Perfect for web developers and designers who need crisp images without the bulk.
All processing is local and private. Your images never leave your computer. Use it for ecommerce product photos, website assets, UI mockups, or any scenario where PNG quality matters but file size does too.
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Use the Free Tool NowTips for Using Image Compressor
For best results, start with a high-resolution source image. The tool processes everything locally in your browser — your files never leave your device. Most adjustments happen in real time, so you can experiment freely without waiting for server round trips.
Common use cases include preparing social media visuals, cleaning up product photos for online stores, creating consistent brand imagery across platforms, and preparing images for printing or sharing. Each tool gives you fine-grained control while keeping the interface simple.
Browser-local image processing is faster and more private than cloud-based alternatives. There are no file size limits (beyond what your browser can handle), no queue times, and zero risk of your images being stored on external servers or used for training data.
More Questions About Image Compressor
How is Image Compressor different from similar tools?
Image Compressor runs entirely in your browser — no data is sent to any server. It provides instant results without file size limits, registration, or hidden costs. Unlike many free online tools, it works offline after the first page load and respects your privacy completely.
Can I use Image Compressor on my phone or tablet?
Yes. TinyToolbox tools are fully responsive and work on smartphones, tablets, and desktop browsers. The interface adapts to your screen size, and touch interactions are supported throughout. Since everything runs locally, mobile performance is smooth even on slower connections.