How to Remove Lens Flare in GIMP with Clone and Heal

Unwanted lens flare artifacts can distract from your main subject and degrade image quality. This guide provides a straightforward method to eliminate lens flare in GIMP using the Clone Tool to replace obscured pixels and the Healing Tool to seamlessly blend colors, lighting, and textures with the surrounding image.

Step 1: Prepare Your Workspace

  1. Open your image in GIMP.
  2. Go to the Layers panel on the right.
  3. Right-click the base image layer and select Duplicate Layer (or press Ctrl + Shift + D / Cmd + Shift + D).
  4. Perform all edits on this duplicate layer to ensure non-destructive editing.

Step 2: Cover Sharp Flare Artifacts with the Clone Tool

The Clone Tool duplicates exact pixels from a source area to a target area, making it ideal for covering solid or high-contrast lens flare spots.

  1. Select the Clone Tool from the Toolbox (keyboard shortcut: C).
  2. In the Tool Options panel:
    • Choose a soft-edged brush, such as 2. Hardness 050, to avoid harsh borders.
    • Adjust the brush Size to be slightly larger than the artifact you want to remove.
    • Set Opacity to 100% for solid flare spots, or lower it to 50–70% for translucent flare.
  3. Hold down Ctrl (or Cmd on macOS) and click on a clean area near the lens flare that matches the texture, color, and lighting of the background behind the flare.
  4. Release Ctrl/Cmd and click or paint directly over the flare artifact to replace it with the sampled pixels.
  5. Resample frequently from different nearby areas to avoid creating repetitive visual patterns.

Step 3: Blend Transitions Using the Healing Tool

The Healing Tool samples texture from a source area while dynamically calculating and matching the color and brightness of the destination area. Use it to soften cloned edges and remove faint color rings.

  1. Select the Healing Tool from the Toolbox (keyboard shortcut: H).
  2. In the Tool Options panel:
    • Select a soft brush with low hardness.
    • Keep the Opacity between 70% and 100%.
  3. Hold Ctrl (or Cmd) and click on a clean reference area that has the desired texture.
  4. Paint over the edges of the areas you just cloned to smooth out color inconsistencies and tone mismatches.
  5. Lightly brush over any remaining subtle flare rings or haze to match them to the ambient background.

Step 4: Fine-Tune the Result

  1. Lower the opacity of the edited layer slightly in the Layers panel if the correction looks overly flat, allowing a tiny amount of original detail to show through.
  2. Zoom out to 100% view to verify that the edited region appears natural and free of visible repeating patterns or smudges.