181
votes
Any app on Ubuntu to open and/or convert HEIF pictures (.HEIC, High Efficiency Image File Format)?
In recent Ubuntu versions (>= 18.04):
sudo apt-get install libheif-examples
And then
for file in *.heic; do heif-convert $file ${file/%.heic/.jpg}; done
In older Ubuntu or Mint versions, first add ...
146
votes
Accepted
Any app on Ubuntu to open and/or convert HEIF pictures (.HEIC, High Efficiency Image File Format)?
Ubuntu 22.04 quick start
install heif-gdk-pixbuf for support in at least eog (Eye of GNOME, GNOME Image Viewer).
install heif-thumbnailer for file manager (nautilus, nemo) thumbnails.
The available ...
110
votes
Is there a tool like wifi analyzer for ubuntu?
Network manager command line interface nmcli
nmcli d wifi
This is an output of command:
* SSID MODE CHAN RATE SIGNAL BARS SECURITY
151022 Infra 4 54 Mbit/s ...
96
votes
How can I add the current CPU usage to my menu bar as a percentage?
There is no need to add any extra repository, just install indicator-multiload from the default repos:
sudo apt install indicator-multiload
Then start it manually the first time by searching for "...
70
votes
Accepted
Is there a way to open DICOM files?
All available from Ubuntu software center:
dicomscope. manual page.
sudo apt install dicomscope
DICOMscope is a free DICOM viewer which can display uncompressed, monochrome DICOM images from all ...
69
votes
Tool to add shapes, annotations and text using templates to images
Flameshot
It comes with some cool annotation features like Freehand drawing, Lines, Arrows, Boxes, Circles, Highlighting, Blur, etc.
It also comes with many on-screen buttons as well lots of ...
67
votes
Accepted
How do I stress test CPU and RAM (at the same time)?
You can install stress with:
sudo apt install stress
Then call it with:
stress --cpu 8 --io 4 --vm 4 --vm-bytes 1024M --timeout 10s
On my conky display notice how:
In the top section CPU ...
56
votes
Accepted
GUI tool for formating to exFAT
First of all you need to install exfat support packages. You can do it by running in terminal
sudo apt-get install exfat-utils exfat-fuse
Then you will be able to use gnome-disks to format exfat.
...
54
votes
Accepted
Clipboard Manager for Ubuntu 16.04, 18.04
[Update on May 2020]
Clipit is now deprecated. The official replacement is Diodon. To download Diodon, you can use the instructions here.
---------------------------------------------------------------...
51
votes
How to measure GPU usage?
You can use gpustat, which is a simple command-line script (wrapper for nvidia-smi) for querying and monitoring GPU status:
49
votes
How do I convert a PNG to SVG?
Inkscape has got an awesome auto-tracing tool.
Install Inkscape using sudo apt-get install inkscape
Import your image
Select your image
From the menu bar, select Path > Trace Bitmap Item
Adjust ...
47
votes
How to measure GPU usage?
For Intel:
Install intel-gpu-tools (its likely that they are installed already)
sudo apt-get install intel-gpu-tools
Start the top like utility with
sudo intel_gpu_top
Check your stats and then ...
45
votes
Accepted
Powerful GUI Calculator for Linux?
Most famous ones are:
Gnome Calculator
galculator
xcalc
kcalc
They all have basic and scientific modes.
By default Ubuntu comes with "Gnome calculator" unless you are using a specific flavor of ...
44
votes
Accepted
Break Reminder for Ubuntu?
Safe Eyes
Here is another tool for the same purpose:
sudo apt install safeeyes
Alternatively, you can install it from the PPA:
sudo add-apt-repository ppa:slgobinath/safeeyes
sudo apt-get update
sudo ...
44
votes
Accepted
What editor can I use as a simple vi/vim alternative?
If you are looking for an alternative editor, you are not alone. Basically life is too short to learn vi and I say this being a software developer for a living. However you should learn how to exit it ...
44
votes
Accepted
GUI tool for managing Docker like Kitematic
Kitematic is available for Ubuntu (although the website itself doesn't advertise it), you can get it from the Github repository.
Simply extract the downloaded file and install it with your favorite ...
44
votes
Accepted
Is there any pdf viewer with dark mode?
This method is only for text only documents. Otherwise the image colors will be inverted.
You can install Evince document viewer from this link and open it.Then goto the options on the top right ...
43
votes
Accepted
Music notation software for Ubuntu
The top music notation software are:
MidiEditor Graphical interface to edit, play, and record Midi data. Last Update: 2018-06-05
MuseScore is a Graphical WYSIWYG music score typesetter. It has ...
41
votes
Any app on Ubuntu to open and/or convert HEIF pictures (.HEIC, High Efficiency Image File Format)?
On Ubuntu 20.04 Focal Fossa:
$ sudo apt install heif-gdk-pixbuf heif-thumbnailer gimagereader gpicview
then find an HEIC file in the file manager, right click, select Properties then Open With and ...
40
votes
How can I extract text from images?
tesseract-ocr would be the great one compared to all others.
For Installation, run the below command
sudo apt-get install tesseract-ocr
Usage is tesseract filename.jpg output.txt, then it will ...
40
votes
Clipboard Manager for Ubuntu 16.04, 18.04
CopyQ is a cross-platform, well-designed and fully-featured clipboard manager (my favorite). It features among others a (very handy) command line interface.
To install it on Ubuntu 18.04+:
sudo apt ...
39
votes
'xclip' vs. 'xsel'
In addition to @Serg answer, there is a piece of information from the Tmux page in the Arch Wiki that can be useful in some specific cases:
Unlike xsel [xclip] works better when printing a raw ...
39
votes
Accepted
Is there any Ubuntu software to draw math?
Xournalpp
I found an excellent project called Xournal++ to fulfil my needs.
Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g....
37
votes
Simple image editor?
GThumb
GThumb is a really nice image viewer with basic editing tools such as:
Crop
Rotate
Equalize
Change Contrast
Change Focus
Change Colors
Apply basic effects (Grayscale, Negative, etc.)
...
37
votes
Is there a tool like wifi analyzer for ubuntu?
You could use linssid which offers a nice easy to use GUI for both the 2.4 GHz and 5 GHz channels.
http://ubuntuhandbook.org/index.php/2013/08/linssid-wifi-scanner-for-ubuntu-linux-mint/
To install ...
37
votes
Is there a way to open DICOM files?
Weasis (on Flathub)
From all viewers I tested, I liked Weasis the most.
It is cross-platform, has lots of features (measurement, 2D/3D view, etc.) and works just fine.
Here are the main features:
...
35
votes
Natural Sounding Text to Speech?
Pico and espeak are fun and easy to get to work, but they're not all that good.
The default Festival voices are also not that good. However, Festival is a scheme-based speech framework, where a number ...
35
votes
How to burn an Ubuntu ISO image on a DVD on Ubuntu?
Insert a blank DVD into your burner. A CD/DVD Creator, Choose Disc Type or Blank Disc window might pop up. Close this, because you will not be using it.
(Click image to enlarge)
16.04 and later no ...
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