A couple of service menu to quickly create a backup copy of the selected files in the same folder, adding a .bak extension, and to restore them.

Manual installation: download both bak.desktop and bak-restore.desktop and place them in ~/.local/share/kservices5/ServiceMenus/

You need Libreoffice installed to make this service menu works. Supported formats: .odt, .ods, .odp, .doc, .xls, .ppt, .docx, .xlsx, .pptx.

Edit: added .txt files as input

You need Imagemagick installed to use this service menu.

You need Imagemagick installed to use this service menu.

You need Imagemagick installed to use this service menu.

Menu to export SVG or compressed SVG files to PNG image or PDF, using Inkscape or RSVG.

Dependencies: Inkscape and/or RSVG.

You need Inkscape installed to use this service menu. It converts SVG drawings that contains Inkscape metadata to plain SVGs, ready to be uploaded on the Web.

Service Menu for Dolphin to convert WAV files to MP3. It uses lame, generally installed by default in common GNU/Linux distro.

Service menu to write ISO images to USB driver using "isoimagewriter", the new tool by Jonathan Riddell. At the moment (August 2017) is still in alpha and distributions still don't provide it.

Wiki page: https://community.kde.org/ISOImageWriter
The source is here: https://cgit.kde.org/isoimagewriter.git/
and the builds here: https://download.kde.org/unstable/isoimagewriter/

You need Pandoc installed to use this service menu and a LaTeX engine like TeX Live. If you get as output a file with missing fonts, look for extra fonts searching "TexLive fonts" in your packages manager.

With this service menu 3 custom presets are included:
- A4: optimized for A4 documents
- Smartphone: optimized for reading on smartphones
- e-Reader: optimized for reading on e-ink readers

Two entries:
* make selected file(s) executable
* move it to /usr/bin so you can run it from terminal, krunner etc (requires root)

It works with Bash (.sh), Python (.py), Ruby (.rb) and binary files. Comment here to ask for more file types support.

Service menu to hide files adding a "." before their names. If used to hidden files it will show them removing the dot.

IMPORTANT: you have to download the "showhide" script too and place it i.e. in /usr/bin or other bin paths. Then you will be able to use the service menu and also use it by command line:

$ showhide file1
$ showhide .file1

If you don't want to move the script in /usr/bin, you can edit the .desktop file with: "Exec=/home/user/your/path/showhide %f" instead of "Exec=showhide %f".

Manual installation:
Move the showhide.desktop in ~/.local/share/kservices5/ServiceMenus/

Convert PDFs to PDF/A-1b for compatibility.

Just open selected files with KRename, a simple but missing piece to make KRename more useful.

--- Dependencies ---
- telegram-cli (https://github.com/vysheng/tg - available in AUR)
- kdialog

--- Instructions ---
1. install telegram-cli
2. login with telegram-cli
3. move "telegram-file-sender" script in ~/.script or edit the location in the .desktop file to where you want to keep the script
4. if you have manually downloaded the .desktop file, move it in ~/.local/share/kservices5/ServiceMenus
5. enjoy

Service Menu for Dolphin to send files with Telegram Desktop

* be sure you have `telegram-desktop` binary in you $PATH (it works out-of-the-box for Arch users using telegram-desktop-bin from AUR)

* eventually add /path/to/your/Telegram to $PATH or copy it to /usr/bin with `sudo cp /path/to/your/Telegram /usr/bin/telegram-desktop` (the latter won't be automatically updated)

* at the moment it doesn't work with multiple files

You can also try "Send file with Telegram (using telegram-cli)" service menu if you don't use Telegram Desktop: https://www.opendesktop.org/p/1171607/

Service menu to build a Docker image from a Dockerfile. Of course you need Docker installed and KDialog. This service menu is intended for who know what he's doing. There is no error handling so when KDialog will ask you for a name for the image don't use a name already used and don't use blank spaces.
IMPORTANT: since there is no official MIME type name, you need to define Dockerfile MIME type in System Settings > File Association as "text/Dockerfile" (uppercase D). The matching expression is exactly "Dockerfile" (without " quotes). The icon in the screenshot is in Breeze Icons master branch and will be available since KDE Frameworks 5.33.

Service Menu for Dolphin to edit the description of a folder.

To show the description of apps and folders in Dolphin:
Main Menu > Adjust View Properties > Additional Information > check "Type"

Manual installation:
- download folder-description.desktop
- move it in ~/.local/share/kservices5/ServiceMenus/

Right click on Flatpak bundle (*.flatpak) or Flatpak link (*.flatpakref) to install it, output is shown in a Konsole window.

Service menu for Dolphin to mount ISO image in the current folder or in another one of your choice. In both cases it create a new folder with named like ISO file and mount it there.