Image → glow / neon bloom. Cyberpunk · sci-fi · neon sign.

How to use

  1. Upload an image.
  2. Adjust glow intensity (blur amount).
  3. Set brightness threshold (only bright pixels glow).
  4. Pick glow color + saturation boost.
  5. Download PNG.

Key features

  • Extract bright areas → blur → composite (bloom technique)
  • Free glow color choice
  • 5 presets (neon / cyan / matrix / cyberpunk / soft)
  • Threshold for partial glow
  • Live preview

Use cases

  • Neon-sign photos — enhance glow
  • Cyberpunk illustrations — futuristic look
  • Game UI screenshots — magic/tech emphasis
  • Album covers — electronic mood
  • Concert / festival photos — stage lights

How bloom works

(1) Extract pixels above brightness threshold. (2) Blur them. (3) Screen-blend over original. Simulates real-camera lens bloom — standard in game graphics and film post-production.

FAQ

Glow only neon signs?

Set threshold to 220+ — only bright LEDs glow.

Whole-image glow?

Lower threshold to ~120 to glow darker areas too.

Too saturated?

Lower saturation boost to 100–120.

Free?

Yes.