CodeItBro

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.

Color Reduction

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 this Posterize Image Online works

This artistic filter tool reduces the number of colors in an image, creating a "posterized" look characterized by distinct, flat regions of color rather than smooth gradients. Users upload a photo and adjust the "levels" parameter, determining how many tonal levels are preserved per channel. Lower levels result in abstract, high-contrast graphic styles similar to screen printing or pop art. Applications include creating artistic effects for social media, simplifying complex photos for vector tracing or logo design, and reducing color palettes for game design textures to achieve specific retro aesthetics.

How to Use

1

Upload

Select an image from your device.

2

Adjust Levels

Choose the number of color levels.

3

Download

Save your artistic posterized image.

Frequently Asked Questions

What does the Posterize Image tool do?
Posterize reduces the number of color tones in an image, creating a bold, graphic look. It is often used for poster-style art, stylized portraits, and high-contrast design effects.
Will posterizing reduce image detail?
Yes, by design. Fewer color levels means smoother gradients turn into flat blocks of color. If you want more detail, increase the number of levels or lower the effect intensity.
Which images look best with a posterize effect?
Images with strong lighting and clear subjects work best, like portraits with clean backgrounds or product photos with clear edges. Busy images can look noisy when tones get flattened.
How do I choose the right number of color levels?
Start low for a dramatic graphic look, then increase levels until facial features and edges look natural enough for your use case. For print, do a quick zoom check to confirm details still read well.
Is this Posterize Image tool safe to use?
Yes. It runs 100% client-side, so your images are processed locally in your browser and never uploaded to a server.

Related Tools

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.

Featured on

CodeItBro - Free dev tools + practical guides to help you ship faster | Product HuntCodeItBro - Free Online Developer Tools badgeCodeItBro badge