PNG compressor
Compress PNG Online
Compress PNG images and convert transparent PNGs to high-quality WebP directly in your browser with Kompresio.
Smart recommendation example
Ready to optimize
Upload images to preview, analyze, convert, clean metadata, crop, or create a PDF directly in the browser.
Original size
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Output size
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Saved
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Format
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Dimensions
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Time
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Your images stay on your device
Core optimization runs in the browser. Files are not sent to an API route for MVP compression, conversion, resize, crop, preview, or ZIP export.
Guide
How to use Compress PNG
Kompresio keeps compress PNG online practical: the tool loads first, then useful guidance explains settings and use cases.
How to compress png
- 1
Upload PNG files.
- 2
Keep PNG or export WebP.
- 3
Download clean optimized files.
Why use Kompresio
- Optimize screenshots, UI assets, and transparent graphics.
- Preserve transparency when exporting WebP.
- Batch process PNG assets for websites.
Best for
Supported formats include PNG. For advanced server-side processing, use direct object storage upload rather than posting large images to serverless functions.
Related tools
Continue the image workflow
Move between compression, conversion, resize, metadata cleanup, and batch export without changing apps.
Compress Image
Compress JPG, PNG, and WebP images online with Kompresio. Fast, private, browser-based image compression with batch ZIP download support.
Compression
PNG to WebP
Convert PNG images to WebP online. Preserve transparency and reduce image weight for modern websites.
Conversion
Resize Image
Resize JPG, PNG, WebP, and AVIF images by width, height, percentage, or preset directly in your browser.
Resize
Batch Converter
Batch process multiple images with Kompresio. Convert, compress, resize, clean metadata, and export results as a ZIP archive.
Batch
FAQ
Questions about Compress PNG
Clear answers for privacy, formats, batch processing, and output quality.
Are my images uploaded to a server?
Core tools run in your browser. For the MVP flow, Kompresio processes previews, compression, conversion, resizing, metadata cleaning, and ZIP export locally on your device.
Can I process multiple images?
Yes. You can add multiple files to the queue, process them together, and download the results individually or as a ZIP archive.
Does compression reduce quality?
Lossy formats can reduce quality if the quality value is too low. The balanced presets use practical values for smaller files while keeping the image visually clean.