Complete guide to all image and video transformation parameters. Chain them together via URL for powerful pipelines.
| Parameter | Example | Description |
|---|---|---|
| w_ | w_800 |
Set width in pixels. Maintains aspect ratio if height is omitted. |
| h_ | h_600 |
Set height in pixels. Maintains aspect ratio if width is omitted. |
| c_ | c_fill |
Crop mode: fill, fit, scale, crop, thumb, pad. |
| g_ | g_face |
Gravity: center, face, auto, north, south, east, west. |
| ar_ | ar_16:9 |
Aspect ratio constraint for cropping operations. |
| Parameter | Example | Description |
|---|---|---|
| f_ | f_webp |
Output format: auto, webp, avif, jxl, jpeg, png, gif. |
| q_ | q_auto |
Quality: 1-100, auto, auto:low, auto:best, auto:eco. |
| dpr_ | dpr_2 |
Device pixel ratio multiplier for retina displays. |
| fl_ | fl_progressive |
Flags: progressive, strip, lossy, lossless, animated. |
| Parameter | Example | Description |
|---|---|---|
| e_sharpen | e_sharpen:80 |
Sharpen image with configurable intensity (0-100). |
| e_blur | e_blur:500 |
Gaussian blur with configurable radius. |
| e_grayscale | e_grayscale |
Convert to grayscale. |
| e_bgremoval | e_bgremoval |
AI-powered background removal. |
| e_upscale | e_upscale:2x |
AI upscaling to 2x or 4x resolution. |
| Parameter | Example | Description |
|---|---|---|
| l_ | l_logo.png |
Image overlay source file. |
| l_text: | l_text:Hello |
Text overlay with font and style options. |
| o_ | o_60 |
Overlay opacity (0-100). |
| g_ | g_southeast |
Overlay position gravity. |
Try any transformation with our free tier — 25GB included monthly.
Get Started Free Full API Docs