Filters & Adjustments
Apply visual effects and color adjustments to your images.
blur_on
Blur
Apply Gaussian blur to soften the image. Useful for backgrounds and privacy.
| Parameter | Values | Description |
|---|---|---|
blur | 0-250 | Blur radius (sigma) |
# Light blur
?blur=5
# Medium blur (background effect)
?blur=15
# Heavy blur (privacy)
?blur=50deblur
Sharpen
Enhance edge definition to make images appear crisper.
| Parameter | Values | Description |
|---|---|---|
sharpen | 0-10 | Sharpening intensity |
# Subtle sharpening
?sharpen=1
# Medium sharpening
?sharpen=3
# Strong sharpening
?sharpen=5warning
Too much sharpening can create artifacts. Start with low values (1-2) and increase as needed.
brightness_6
Brightness & Contrast
Adjust the overall brightness and contrast of images.
| Parameter | Values | Description |
|---|---|---|
brightness | 0-2 | 1 = normal, <1 = darker, >1 = brighter |
contrast | 0-2 | 1 = normal, <1 = less, >1 = more |
# Brighten image
?brightness=1.2
# Darken image
?brightness=0.8
# Increase contrast
?contrast=1.3
# Combine adjustments
?brightness=1.1&contrast=1.2palette
Saturation
Control color intensity for more vibrant or muted images.
| Parameter | Values | Description |
|---|---|---|
saturation | 0-2 | 0 = grayscale, 1 = normal, 2 = vivid |
# More vibrant colors
?saturation=1.5
# Muted/desaturated
?saturation=0.5
# Full grayscale (same as grayscale filter)
?saturation=0gradient
Grayscale & Sepia
Apply classic color effects for artistic styling.
| Parameter | Values | Description |
|---|---|---|
grayscale | true | Convert to black & white |
sepia | 0-100 | Sepia tone intensity |
# Black & white
?grayscale=true
# Vintage sepia effect
?sepia=80
# Subtle sepia tint
?sepia=30