PixelForge
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PixelForgeInvert Image Colors Online in Bulk
Create negative-effect images by inverting all colors in bulk. One click, no settings needed.
1. Upload images
Drop images here or click to browse
JPEG, PNG, WebP, GIF, TIFF, AVIF — up to 10 files, 20 MB total
2. Configure settings
All pixel colors will be inverted (photographic negative effect). No additional settings required.
Free plan: up to 10 images per batch. Upgrade for more.
What this tool does
Flip every pixel to its opposite color value across hundreds of images in one batch. PixelForge's bulk color inverter creates a photographic negative effect — dark areas become light, light areas become dark, and all colors shift to their complements. Useful for creative effects, accessibility testing, or preparing images for printing on dark backgrounds.
Problems it solves
- Creating negative-effect images for artistic or editorial use
- Inverting dark-background logos to use on light backgrounds
- Quickly producing color variants of a set of graphics
- Accessibility testing — checking contrast by inverting colors
Example
Invert 100 logo images to create dark-on-light variants
Frequently asked questions
What exactly gets inverted?
Every pixel's color value is subtracted from the maximum value (255 per channel). Black becomes white, white becomes black, and all other colors shift to their complementary hue.
Is this reversible?
Yes — inverting an already-inverted image returns it to the original. Applying invert twice produces the original.
Does this affect transparency?
Invert only affects the color channels (RGB). The alpha channel (transparency) is not inverted.
Does inverting reduce image quality?
No — color inversion is a lossless mathematical transformation on the pixel values. No information is lost.
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