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Image & Data Auxiliary
Starry Sky Color Calibrator
Adjust brightness, contrast, saturation and hue on stargazing photos.
Try the tool
Tool principle
Applies standard CSS filter primitives (brightness, contrast, saturate, hue-rotate) to your image without altering the source file.
Data source: Native browser CSS filters.
User guide
- 1Load a starry-sky photograph.
- 2Move the sliders to bring out nebula tones or reduce light-pollution glow.
- 3Screenshot the preview to keep the adjusted look.
Frequently asked questions
Can I export the result?＋
Use your OS screenshot tool — full pixel export is intentionally kept out of scope to stay lightweight.