PNG Compress
PNG Compress is a free online image tool for changing PNG files into PNG files. PNG Compress accepts 1 MIME type, returns image/png, includes 1 setting, and runs in your browser on the device.
Drop .png file here
or click to choose — or paste an image with ⌘V / Ctrl+V
Options
Key facts
- Input
- 1 format: PNG (image/png)
- Output
- PNG (image/png)
- Runtime
- your browser on the device
- Settings
- 1 control: Color palette size
- File mode
- 1 input file creates 1 output file
- Cost
- $0, no account required
How to use PNG Compress
- 1
Open your PNG file
Drop your PNG file onto the page, or click to browse and pick one from your device.
- 2
Choose options
Adjust the conversion options to suit your needs. Defaults work well for most inputs.
- 3
Convert and download
Click Convert. Your PNG file is ready to download in seconds.
PNG Compress details
First, PNG Compress reads PNG source files and prepares PNG output for the image workflow. Next, The visible controls are Color palette size. Additionally, Files and text stay in the browser session.
Like TinyPNG, but it runs entirely in your browser. We decode the PNG, quantize the image to a smaller indexed-color palette (using a perceptual algorithm), then re-encode as an indexed-color PNG. For photo-like PNGs and screenshots this is usually 50;80% smaller than the original with no visible loss. Transparency is preserved. Files never leave your device.
Common searches
- png compress
- compress png
- png compressor
- png optimizer
- shrink png
- reduce png size
Related tools
Tools that work with the same formats — most users open one of these next.
Image to Grayscale
Convert any image to grayscale — pick the algorithm, runs entirely in your browser.
Invert Image Colors
Invert (negate) the colors of any image — runs entirely in your browser.
Image Hue Rotator
Rotate the colors of an image around the color wheel — runs in your browser.
Image Pixelator
Pixelate any image — drag the block size, runs in your browser.
Image Border (Overlay)
Draw an inset solid-color border on any image — same canvas size, runs in your browser.
Blur Image
Blur any image with an adjustable radius — fast separable box blur, runs in your browser.
Frequently asked
What is PNG Compress?
PNG Compress is a free online image tool for changing PNG files into PNG files. PNG Compress accepts 1 MIME type, returns image/png, includes 1 setting, and runs in your browser on the device.
What files does PNG Compress accept and create?
PNG Compress accepts PNG files (image/png) and creates PNG files (image/png). The page includes 1 setting: Color palette size.
Do my files and data stay private?
Yes. PNG Compress runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How do I use PNG Compress?
Open PNG Compress, drop in your PNG file, choose any options, and click Convert. Your browser does the work locally and produces a PNG file you can save right away.
What is the maximum file size for PNG Compress?
Because PNG Compress runs in your browser, the maximum size depends on your device's available memory. Most modern phones and laptops handle files up to a few hundred MB without issues.