GIMP
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GIMP is GNU Image Manipulation Program.
How to use GIMP in general
How to start GIMP?
Input the below command in the terminal.
gimp
Change brush size
- Chapter 7. Painting with GIMP
9. Varying brush size
https://docs.gimp.org/en/gimp-using-variable-size-brush.html
Favicon
Edit a downloaded image to make a favicon
Search "download free favicon" on the DuckDuckGo or searx. Or search any cute images and download them from a search engine and edit them.
- searx — monicz.pl
http://upzhip7hatfbsi5xcwyw6n2bpappt3j4gkvwjmyb7qo6urcyhmlekpad.onion/
You can choose Google and DuckDuckGo and many other search engines. Choose a search engine in the preferences.
Edit the image with GIMP.
Crop the image by pressing "Shift+C".
Adjust image size to 128*128 pixels or less resolution. 128*128 pixel favicon.ico works well on Tor Browser for Linux and Tor Browser for Android. You can make a small favicon such as 48*48 pixels, but 128*128 pixels is better.
Select GIMP menu "Export AS" and select ico (Microsoft Windows icon file).
If it doesn't work, save it as .png file and convert the .png file into .ico file.
The image's name should be "favicon.ico" and you have to upload it at the uppermost directory of your website where phpBB folder is located.
After uploading favicon.ico file, you have to visit the file's location by using your Tor Browser such as http://*****.onion/favicon.ico or something.
Make a new favicon image
You can draw a favicon by yourself.
But if you draw it by yourself, even though you can avoid fingerprinting by deleting Exif, it would be difficult to avoid profiling. You'd better download some images from the Internet.
File -> New -> Advanced Options -> Fill with: -> Transparency
You'd better set the image's background transparent, or you will see white background.
File -> Export As -> Select File Type (By Extension) -> ico
Save as favicon.ico and upload it.
Logo
Search some images on the DuckDuckGo or searx and edit them. Or draw a logo by yourself.
Download and edit a logo image
Open a downloaded image.
Tools -> Transform Tools -> Crop -> Shift+C
Image -> Scale Image -> Image Size -> Width: 135 px, Height 135 px -> Scale
File -> Export As -> Select File Type (By Extension) -> png
"wiki.png", the default logo file of MediaWiki, is 135*135 pixels.
You can use a png or jpg file as a logo for MediaWiki.
Make a new logo iamge
File -> New -> Advanced Options -> Fill with: -> Transparency
You'd better set the image's background transparent, or you will see white background.
Avatar
Download an image and edit it to make an avatar for your phpBB account. Or draw an avatar by yourself.
It looks like a jpg file can't be used as an avatar on phpBB. You'd better use a png file.
Download and edit an avatar image
Open a downloaded image.
Tools -> Transform Tools -> Crop -> Shift+C
Image -> Scale Image -> Image Size -> Width: 90 px, Height 90 px -> Scale
File -> Export As -> Select File Type (By Extension) -> png