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IMG-134: preserve_hdr processing option docs #12

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gzigzigzeo merged 1 commit into from
Apr 15, 2026
Merged

IMG-134: preserve_hdr processing option docs #12

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11 changes: 11 additions & 0 deletions versioned_docs/version-4-pre/usage/processing.mdx
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Expand Up @@ -787,6 +787,17 @@ scp:%strip_color_profile

When set to `1`, `t` or `true`, imgproxy will transform the embedded color profile (ICC) to sRGB and remove it from the image. Otherwise, imgproxy will try to keep it as is. This is normally controlled by the [IMGPROXY_STRIP_COLOR_PROFILE](../configuration/options.mdx#IMGPROXY_STRIP_COLOR_PROFILE) configuration but this processing option allows the configuration to be set for each request.

### Preserve HDR

```imgproxy_url_option
preserve_hdr:%enable
ph:%enable
```

If set to `1`, `t` or `true`, high bit image will [remain high bit](../image_formats_support.mdx#colorspace-and-hdr-preservation). If set to `0`, `f` or `false`, high bit image will be downscaled to 8 bit. Overrides [`IMGPROXY_PRESERVE_HDR`](../configuration/options.mdx#IMGPROXY_PRESERVE_HDR) value.

Default: [`IMGPROXY_PRESERVE_HDR`](../configuration/options.mdx#IMGPROXY_PRESERVE_HDR) value.

### Color profile ((pro)) {#color-profile}

```imgproxy_url_option
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