Photolisa · retouching

Sharpen Image

Sharpening increases local edge contrast to make existing detail look clearer.

Image tool workspace

Enable JavaScript to use the processing controls. Tool instructions and limitations are available below.

Understanding sharpen image

Sharpening increases local edge contrast to make existing detail look clearer.

Judge the final output size and stop before bright halos appear around high contrast edges.

A practical workflow

  1. Choose the required source files, if any. Files are handled as stated in the workspace privacy label.
  2. Set the available controls and apply the operation.
  3. Compare the actual output, check its dimensions and download the generated file.

Decisions and limitations

  • Strength (%)
  • Radius or pattern size (pixels)

Images up to 16 megapixels and 20 MB. Keep an original copy. Export preserves pixels, not editable layers or original metadata.

Questions about this task

Where do I use the current tool?

Apply the selected adjustment and export a PNG copy.

What should I check for sharpen image?

Judge the final output size and stop before bright halos appear around high contrast edges.

Which settings and formats are confirmed?

PNG. Images up to 16 megapixels and 20 MB. Keep an original copy. Export preserves pixels, not editable layers or original metadata.

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