Compress PNG Images Online for Free
Optimize PNG file size while maintaining transparency and sharp edges — all inside your browser.
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100% Free & Secure Guarantee
- Lightning-fast processing with zero waiting queues
- Ultra-high audio & video fidelity up to studio quality (320 kbps)
- 100% free forever — no registration or credit card needed
- Bank-grade privacy — your media remains completely confidential
Lossless & Lossy PNG Compression
PNG images feature lossless compression and alpha-channel transparency, making them standard for UI graphics, app icons, and logos. However, unoptimized PNGs can be megabytes in size.
MediaConvertKit's PNG compressor reduces palette redundancy and optimizes color indexing while preserving transparent backgrounds with pixel perfection.
How to Use This Tool
- 1
Select your PNG image
Drag your PNG graphic or screenshot into the tool.
- 2
Choose compression strength
Choose between lossless optimization or higher compression.
- 3
Compress in browser
The Canvas API cleans and optimizes color palettes.
- 4
Download PNG
Save your lightweight, transparent PNG file.
Why MediaConvertKit is Faster & More Private
| Feature | MediaConvertKit | CloudConvert / Zamzar |
|---|---|---|
| File Processing | Instant Local Speed (Private) | Uploaded to Remote Server |
| Privacy & Confidentiality | Guaranteed Zero Exposure | Files Stored Temporarily |
| Upload & Download Wait | Zero (Direct RAM Access) | Minutes (Bandwidth Dependent) |
| Price & Daily Limits | 100% Free & Unlimited | Paid Credits / Queues |
Supported Formats
Input Formats
Output Format
Frequently Asked Questions
- Yes, all transparent pixels (alpha channel) are 100% preserved during the compression process.
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