Are NanoTools completely free to use?

Yes, all basic tools on NanoTools are completely free to use with no registration required. We offer premium features for power users.

Is my data secure when using NanoTools?

Your files are processed securely and are automatically deleted after processing. We do not store your files or data on our servers.

No installation required. All tools work directly in your browser on any device - computer, tablet, or smartphone.

We support a wide range of formats including PDF, JPG, PNG, WebP, GIF, JSON, XML, CSV, and many more depending on the tool.

Adjust image saturation online for free. Increase or decrease color vibrancy. Control color intensity.

Drop an image here or click to browse

image/* • Max 50MB

1

Select image to adjust

2

Move slider to change color intensity

3

See color changes

4

Save adjusted image

Saturation controls color intensity. High saturation makes colors vivid, low makes them muted.

Yes, -100% saturation removes all color, creating grayscale image.

Saturation primarily affects color intensity, not brightness levels.

Very high saturation can make colors look unnatural or "neon." Use moderation for realistic results.