Tag: GIMP

How to convert .webp images to GIMP

What are .webp files

Files with the .webp extension are image files in a format developed by Google.

To date, the WebP format has not been widely used, but it is supported by many web browsers and image viewers and editors.

How to Open WebP in GIMP

Recent versions of GIMP support WebP format (previously a special plug-in was required). But in the “Open With” context menu, you may not find GIMP:

This is not a problem, click “Other” and in the window that opens, find GIMP:

You can also click the buttons:

  • Add to list” – so that GIMP appears in the list of suggested programs when opening this file format
  • Set as default” – to make GIMP the default program for opening WebP files

Another option is to go to the GIMP menu and go to File → Open:

Once a WebP image is opened in GIMP, it can be exported to any format supported by GIMP. To do this, select “File” → “Export As…”:

Select File Type” and press the “Export” button:

Related: Batch image processing in GIMP

Batch image processing in GIMP

In addition to creative work with images in GIMP, sometimes you need to do fairly simple things, but with a large number of files. Sometimes even with a very large number of files. Such actions are called “Batch File Processing” or “Batch Image Manipulation” when the same operation is performed on multiple images. Such an operation can be converting, resizing, adding blur, changing sharpness, rotating an image, adding a watermark, compressing, renaming.

In order to perform the same operation on many files, we need a GIMP plugin called BIMP (Batch Image Manipulation Plugin).

How to install BIMP on Windows

To install BIMP on Windows, go to the official website and download the installation file: https://alessandrofrancesconi.it/projects/bimp/

Install like any other setup file on Windows.

How to Install BIMP on Linux

Installation on Debian, Linux Mint, Ubuntu, Kali Linux and derivatives:

sudo apt install libgimp2.0-dev libgegl-dev git
git clone https://github.com/alessandrofrancesconi/gimp-plugin-bimp
cd gimp-plugin-bimp

If you want to install the plugin only for the current user, then run the command:

make && make install

Or if you want to install the plugin for all users in the system, then run the command:

make && sudo make install-admin

Installation on Arch Linux, Manjaro, BlackArch and their derivatives:

pikaur -S gimp-plugin-bimp

You can find information about pikaur in the article “Automatic installation and update of AUR packages”.

How to use BIMP

After copying, a new item “Batch Image Manipulation…” will appear in the File menu.

When you click on this menu item, the following window will open:

Click “Add images”, you will have options to choose from:

  • Add single images
  • Add folders
  • Add all open images

In the “Output folder” specify the directory where you want to save the images after processing.

By clicking the Add button, you can select the operations that will be performed in batch mode. These operations can be combined, i.e., several actions can be performed simultaneously on a group of files.

Basic Operations:

  • Resize
  • Crop
  • Flip or Rotate
  • Color correction
  • Sharp or Blur
  • Adding a watermark
  • Change format and compression
  • Rename with a pattern
  • Other GIMP procedure

Custom File Operations in Batch Mode in GIMP

The most interesting of all the above operations is the “Other GIMP procedure” item:

That is, you can select any operations that GIMP can do, set the necessary parameters (if any). And all this can be combined with the above functions or among themselves. In general, everything is very cool.

If you have scripts in languages that GIMP supports, then those scripts are also on this menu and can be used.

How to convert many .pdf files to pictures

When trying to convert a lot of .pdf to .jpg, I ran into a difficulty – the impossibility of importing .pdf files into this plugin, because .pdf is not among the supported formats. However, it can be done. First, open all .pdf files in GIMP (you can select all the necessary files and drag them into the GIMP program window to do this quickly, in one go). Next, in the plugin, select “Add all open images”. And everything is ready – you can perform any batch processing of these files, including saving them in the desired format.

See also:

BIMP Example – Bulk convert WebP to GIMP

The WebP image format is not very convenient because not all applications support it. Therefore, it may be necessary to convert a large amount of WebP to JPG or PNG using GIMP.

From the File menu, open “Batch Image Manipulation…”.

Add files to convert – WebP format is supported.

Set a folder to save the processed images in the new format:

Click “Add” and select “Change format and compression”.

Select the format and format options (image quality):

When everything is ready, click the “Apply” button:

Wait for processing to complete:

Related: How to convert .webp images to GIMP

GIMP copies not all layers (SOLVED)

GIMP is a powerful image editor, comparable to PhotoShop in features, but completely free.

You may have come across a situation where you have edited an image, perhaps added text and other layers and are trying to copy the resulting image, for example, to create a new file from it or paste into another image. However, only individual elements or the original background are copied.

It's all about the layers of the processed image.

For example, if you select and copy an area in an image with several layers (in this case, with three layers), then only one of the layers will be copied to the clipboard.

This is due to the behavior of the GIMP: although we see and, it seems to us, copy all layers, in fact, this operation applies only to the active layer.

To select the contents of all layers at once, select the area you need, right-click on it, and in the context menu that opens, select Edit → Copy Visible.

You can also use the keyboard shortcut Ctrl+Shit+C for this.

As a result, the area will be copied to the clipboard as you see it on the screen, and not a separate layer.

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