Sharpen Image in Photoshop (High Pass + Smart Sharpen)

Follow this streamlined sharpening process to add crisp detail while keeping control. You’ll build a High Pass sharpening layer, then finish with Smart Sharpen for clean, accurate results.

FEATURED TUTORIAL

How to Use Reference Images with Nano Banana in Photoshop

Read tutorial

Step-by-step instructions

1

Duplicate the base layer

  • In the Layers panel, select your image layer.

  • Duplicate it (Layer → Duplicate Layer…).

  • Keep the duplicate (upper) layer active.

2

Boost detail with High Pass

  • Go to Filter → Other → High Pass….

  • Enter a Radius of 3 (adjust as needed), then click OK.

  • Set the duplicate layer’s Blend Mode to Hard Light.

  • Adjust the layer’s Opacity to fine-tune sharpening intensity.

3

Stamp a merged layer for advanced sharpening

  • Press Ctrl+Shift+Alt+E (Windows) or Cmd+Shift+Option+E (Mac) to create a merged layer on top.

  • Select the new merged layer.

4

Apply Smart Sharpen

  • Go to Filter → Sharpen → Smart Sharpen….

  • Ensure Preview is checked and Basic is selected.

  • Increase Amount based on your image resolution and taste.

  • Set Remove to Gaussian Blur and enable More Accurate.

  • Click OK to apply the sharpening.

5

Group and compare before/after

  • Select the two sharpening layers and group them (Ctrl/Cmd+G).

  • Toggle the group visibility to see the difference before and after sharpening.

Next tutorial

How to Generate 4K Images with Nano Banana Pro in Photoshop

Read tutorial