Convert PNG Bit Depth
Easily convert PNG images between 8-bit, 16-bit, 24-bit, and 32-bit color depths. Reduce file size or adjust color precision directly in your browser.
Drop your images here
Supports PNG, JPG, WebP, AVIF and more. Process hundreds of files at once.
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Loaded Gallery
Editor Studio
Image List
| Preview | Image Info | Original | Status | Action |
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Interactive Editor
Tool Settings
Select the target color depth for your image.
Standard 32-bit RGBA color with transparency.
Batch Apply
Apply settings to all images
About PNG Bit Depth Conversion
Bit depth, or color depth, determines the number of distinct colors that can be represented in an image. Higher bit depths allow for more colors but result in larger file sizes.
This tool allows you to convert between common PNG bit depths:
- 32-bit (RGBA): TrueColor with Alpha channel (Transparency). Supports 16.7 million colors + 256 levels of transparency.
- 24-bit (RGB): TrueColor without transparency. Supports 16.7 million colors.
- 16-bit: High Color. Typically 65,536 colors. A good balance between quality and size for some applications.
- 8-bit: Indexed Color or Grayscale. Limited to 256 colors. Greatly reduces file size.
Why Convert Bit Depth?
Optimization & Compatibility
Significantly reduce PNG file size by lowering bit depth.
Create retro-style graphics with 8-bit or 1-bit modes.
Remove transparency channels when not needed.
Ensure compatibility with older hardware or software.