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🖼️ Twitter 4K Hidden Image Tool

Convert images to stripe patterns that reveal hidden pictures in 4K display

📁 Select Image
⚙️ Conversion Settings

📖 How to Use

  1. Open Image - Select any image file (color images OK)
  2. Adjust Parameters - Set stripe direction, contrast, and resize basis
  3. Convert Image - Generate stripe image with alternating brightness per pixel
  4. Save Image - Download as JPEG (ready for Twitter upload)

💡 Tips:

  • Contrast 0.6-0.8 appears gray in normal view
  • Hidden picture reveals when displayed in 4K on Twitter
  • Try both horizontal and vertical directions

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