Categories

← View All Tools

Image Levels Adjustment

Adjust image levels with precise control over shadows, midtones, and highlights for professional tonal correction

Click to upload file or drag and drop file here

Maximum file size: 10MB Supported formats: image/jpeg, image/png, image/webp, image/gif, image/bmp, image/tiff

Upload any image file (JPEG, PNG, WebP, GIF, BMP, TIFF) for levels adjustment

Shadow input level (0 = pure black, 1 = white). Maps input shadow levels to new values

Shadow output level (0 = pure black, 1 = white). Sets the output for shadow areas

Midtone input level (0 = pure black, 0.5 = middle gray, 1 = white). Controls tonal balance

Midtone output level (0 = pure black, 0.5 = middle gray, 1 = white). Adjusts overall brightness

Highlight input level (0 = pure black, 1 = white). Maps input highlight levels to new values

Highlight output level (0 = pure black, 1 = white). Sets the output for highlight areas

Choose output format or keep original. PNG recommended for maximum quality

Output quality for lossy formats (JPEG, WebP). Higher = better quality but larger file size

API Documentation

Request Endpoint

POST /en/api/tools/image-levels

Request Parameters

Parameter Name Type Required Description
imageFile file (Upload required) Yes Upload any image file (JPEG, PNG, WebP, GIF, BMP, TIFF) for levels adjustment
shadowInput number No Shadow input level (0 = pure black, 1 = white). Maps input shadow levels to new values
shadowOutput number No Shadow output level (0 = pure black, 1 = white). Sets the output for shadow areas
midtoneInput number No Midtone input level (0 = pure black, 0.5 = middle gray, 1 = white). Controls tonal balance
midtoneOutput number No Midtone output level (0 = pure black, 0.5 = middle gray, 1 = white). Adjusts overall brightness
highlightInput number No Highlight input level (0 = pure black, 1 = white). Maps input highlight levels to new values
highlightOutput number No Highlight output level (0 = pure black, 1 = white). Sets the output for highlight areas
format select No Choose output format or keep original. PNG recommended for maximum quality
quality number No Output quality for lossy formats (JPEG, WebP). Higher = better quality but larger file size

File type parameters need to be uploaded first via POST /upload/image-levels to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-image-levels": {
      "name": "image-levels",
      "description": "Adjust image levels with precise control over shadows, midtones, and highlights for professional tonal correction",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=image-levels",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]