Posterize Image Online
Reduce the number of colors in your image to create a flat, poster-like art style.
Upload Image
Choose an image
Preview
Upload an image to posterize
What is Posterization?
Posterization reduces the number of unique colors in an image, creating a distinct "flat" look. It mimics the style of old printed posters where a limited number of ink colors were used, resulting in bold, artistic banding.
Why Use This Effect?
Pop Art Style
Instantly recreate the Andy Warhol style by stripping away subtle gradients.
Vector Prep
Simplify complex photos into flat shapes, making them much easier to trace into vector art.
How It Works
The Posterize Effect Online runs entirely in your browser using JavaScript. Unlike other tools that send your data to a server, we process everything locally on your device. This guarantees 100% privacy and blazing fast speed.
- No server interaction – data never leaves your device
- Instant results since there is no network latency
- Works offline once the page is loaded
- Free to use with no usage limits
How to Use
Upload
Select an image from your device.
Adjust Levels
Choose the number of color levels.
Download
Save your artistic posterized image.
Frequently Asked Questions
What is posterization?
Can I use this for vector art?
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The Posterize Effect Online is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.