🖼️ Premium Grayscale Converter

Transform your images with professional-grade grayscale effects

📁

Drag & drop your image here or click to browse

Grayscale Intensity 100%

Brightness 0

Contrast 0

Grayscale Algorithm

Filter Effects

Select Color to Keep

Duotone Colors

Filter Presets

🔌 API Access

POST /api/convert
{"image": "base64", "options": {...}}

🔗 Integration

📖 User Guide - Grayscale Converter

🚀 Getting Started

Drag and drop an image onto the upload area or click "Choose Image"
Use "Batch Mode" to process multiple images at once
Your image will appear in the preview panel with controls on the left

🎛️ Controls

Grayscale Intensity: Adjust how much grayscale effect is applied (0-100%)
Brightness: Make the image brighter or darker (-100 to +100)
Contrast: Increase or decrease contrast (-100 to +100)
Algorithm: Choose different grayscale calculation methods

🎨 Filter Effects

Sepia: Apply a warm, vintage brown tone
Vintage: Classic film look with faded tones
Duotone: Create two-tone color effects
Selective Color: Keep one color while grayscaling the rest
Invert: Invert all colors

🔧 Advanced Features

Before/After Slider: Click "Compare" to see original vs processed
Presets: Quick access to pre-configured filter combinations
Save Preset: Save your current settings as a custom preset
Undo: Revert to the previous state
Reset: Return all settings to default

📥 Download Options

PNG: Lossless compression, best for quality
JPEG: Smaller file size with slight quality loss
WebP: Modern format with excellent compression
Choose quality level based on your needs

🔌 API Access

The API code section shows how to integrate this tool programmatically
Send POST requests with base64 image data and options

🔗 Photo Editor Integration

Use the integration buttons to get plugin code for Photoshop, Lightroom, or GIMP
Copied code can be used as actions or scripts in those applications

💡 Tips

Use the Luminance algorithm for most natural results
Combine brightness and contrast for dramatic effects
Try different presets to find your style
Batch mode is great for processing multiple photos quickly