Adjust Image Brightness
Open Adjust Image Brightness on Happytails.ai. This view has the same page content and links, with explicit tool capabilities. Read the processing notes before using a tool.
Tool capabilities
{
"id": "adjust-brightness",
"category": "image-tools",
"built": true,
"requirements": "Brightness and contrast controls; clipping preview and original comparison.",
"implementation": {
"fields": [
{
"key": "brightness",
"label": "Brightness (%)",
"value": 100,
"type": "number"
},
{
"key": "contrast",
"label": "Contrast (%)",
"value": 100,
"type": "number"
}
],
"files": true,
"accept": "image/*,.svg,.avif",
"input": false,
"note": "Runs in your browser. Animated inputs produce a single still image. Supported decoding depends on your browser.",
"experience": {
"automatic": false,
"single": false,
"inputMaxLength": 1000000,
"inputMode": "text",
"label": "Your text",
"placeholder": "Type or paste your input…",
"help": "Up to 1,000,000 characters. Review the settings before running.",
"helpParts": [
"Up to 1,000,000 characters.",
"Review the settings before running."
],
"action": null
},
"mode": "explicit",
"interactive": false
},
"execution": "Browser interface",
"api": null,
"browser_agent": {
"supported": true,
"name": "run_current_tool",
"discovery": "WebMCP on the human page in a supporting browser",
"verification": "See audit/API-AUDIT.md; availability is not verification"
}
}Page guide
Lighten a dark image or bring the brightness down.
How to use Adjust brightness
- Choose a file in an image format your browser can open.
- Review the settings, then choose Run Adjust brightness.
- Review the result, then use Copy result or a download link when available.
Useful next steps
What to expect
Make an image lighter or darker. 100% keeps the original brightness. Choose a lower value to darken it or a higher value to brighten it.