How to Make a Logo Background Transparent in GIMP

If you have a logo with a white or solid-colour background, getting rid of that background is one of the most common things people need to do in GIMP. Once it is transparent, you can place the logo on top of any background - A dark website header, a coloured flyer, a photo - And it will look clean.

This guide covers two methods depending on what your logo looks like. Pick the one that fits your situation.

Which Method to Use

Method 1 - Select by Color and Delete

This is the fastest method and works well when the background is a single flat colour (most common for logos).

1. 1
   Add an alpha channel - Go to Layer - Transparency - Add Alpha Channel. This step is required before GIMP can create transparency. Without it, deleted areas fill with white instead of going transparent.
2. 2
   Select the Select by Color tool - Press Shift+O or find it in the Toolbox.
3. 3
   Click the background colour - Click anywhere on the white (or coloured) background. A marching-ants selection covers all pixels of that colour across the entire image.
4. 4
   Adjust the Threshold if needed - In Tool Options, raise the Threshold slightly if the selection misses parts of the background. Lower it if it is selecting parts of your logo.
5. 5
   Delete the selection - Press Delete. The background turns to a grey checkerboard pattern - That means transparent.
6. 6
   Deselect - Press Shift+Ctrl+A to remove the selection marquee.

Cleaning Up the Edges

After deleting the background, zoom in to 200% or more to check the edges. There is often a slight fringe of leftover colour pixels around the logo. To clean those up:

• Use a small Eraser brush to manually clean fringe pixels at high zoom
• Or go to Filters - Colors - Spill Fixer to automatically reduce background-colour bleed around edges
• Or go to Script-Fu - Enhance - Remove Fringing if you have a script for it

Exporting the Transparent Logo

To keep the transparency, you must save as PNG. JPEG does not support transparency and will fill the transparent areas with white.

1. 1
   Go to File - Export As
2. 2
   Type a filename ending in .png
3. 3
   Click Export, then Export again in the PNG options dialog

The full range of background removal tools - Including the Paths tool for complex logos - Is covered in the complete background removal guide.