Adjust an image colour saturation locally - more vivid or muted, with a slider. Format preserved. No upload.
Running locally on your device ...
Running locally on your device ...
0%
Your files never left your device
Continue with this file
No re-upload neededThese tools accept .JPG - your file is handed over directly.
No. Everything runs in your browser - your file never leaves your device. How this is verifiable
Saturation controls how intense the colours are. This tool lets you push colours to be more vivid or pull them toward grey with a single slider from -100 to +100. At 0 the image is unchanged; at -100 it becomes fully greyscale; positive values make the colours pop.
Adjusting saturation is useful to revive a flat, dull photo, to tone down oversaturated colours, or for a stylistic look. The brightness of each pixel is kept while only the colour intensity changes. The output keeps your original format and dimensions - a PNG stays a PNG (with transparency), a JPEG stays a JPEG.
Everything runs entirely locally in your browser on a canvas (no upload, even offline) - your image never leaves your device. Very strong positive values can clip the most vivid colours; moderate adjustments usually look most natural. Animated images are flattened to a single frame.
About the scale: at -100 all colour disappears and a pure grayscale image remains; at 0 nothing changes; at +100 the colours become maximally vivid. Because every adjustment starts from the original image, you can slide the control back and forth freely until the impression is right - without rounding errors adding up across several steps.
| Input formats | JPG, JPEG, PNG, WEBP |
|---|---|
| Auto-conversion | GIF, BMP, TIFF, ICO, SVG, HEIC, PDF, DOCX, DDS, HDR, PCX, WBMP |
| Output formats | JPG, PNG, WebP |
| Batch processing | Yes |
| Processing | Locally in your browser (JavaScript) |
| File upload | None |
Limitations: Scales colour saturation around each pixel luminance, with an amount from -100 (fully greyscale) to +100 (more vivid); 0 leaves the image unchanged. The original format and dimensions are preserved (PNG keeps transparency; JPEG flattens onto white). Very strong values can clip vivid colours. Animated inputs are reduced to a single frame.
No. The adjustment runs entirely locally in the browser on a canvas - even offline. Your image never leaves your device.
An amount of -100 removes all colour, leaving a greyscale image. Positive values increase colour intensity; 0 leaves the image unchanged.
No. It keeps each pixel brightness and only changes how intense the colours are, so the image does not get lighter or darker.
Yes. A PNG stays a PNG (with transparency), a JPEG stays a JPEG, and the dimensions are unchanged.
Brightness and Contrast · Grayscale Image · Sepia Image · Rotate Hue · Extract Colour Palette · Color Temperature