diff --git a/README.md b/README.md
index 8094e9e..3d2090f 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,38 @@
-# bash-scripts
-A collection of useful bash scripts for linux
+# Bash scripts
+A collection of (useful) bash scripts for Linux.
+
+## How to use
+
+ 1. Download the script you want.
+ 2. Run ``chmod +x script.sh`` to make it executable
+ 3. Run it with ``./script.sh``
+
+## buildpdf.sh
+
+A script for automatically creating PDf files from a latex document. You can set the amounts of builds and the time between the builds.
+
+**Usage:** ``./buildpdf.sh filename [build amount] [time between builds in s]``
+
+## intellij-hidpi.sh
+
+This is a small script for enabling and disabling HiDPI support on IntelliJ IDEA Community Edition on every Linux distribution where IntelliJ is installed in /usr/share/intellijidea-ce/. If the installation is somewhere else you have to change the variable IDEA_PATH.
+
+**Usage:**
+
+ - Help: ``./intellij-hidpi.sh -h``
+ - Enable ``./intellij-hidpi.sh -e``
+ - Disable ``./intellij-hidpi.sh -d``
+
+## android-studio-hidpi.sh
+
+This is a small script for enabling and disabling HiDPI support in Android Stuido on every linux distribution where Android Stuido is installed in /opt/android-studio. If the installation is somewhere else you have to change the variable STUDIO_PATH.
+
+**Usage:**
+
+ - Help: ``./android-studio-hidpi.sh -h``
+ - Enable ``./android-studio-hidpi.sh -e``
+ - Disable ``./android-studio-hidpi.sh -d``
+
+## License
+
+Each script is licensed under GNU GPL v3.0.
diff --git a/android-studio-hidpi.sh b/android-studio-hidpi.sh
new file mode 100644
index 0000000..8654f29
--- /dev/null
+++ b/android-studio-hidpi.sh
@@ -0,0 +1,75 @@
+#!/bin/bash
+# This is a small script for enabling and disabling HiDPI support in Android Stuido on every Linux distribution where Android Stuido is installed in /opt/android-studio. If the installation is somewhere else you have to change the variable STUDIO_PATH.
+# Marcel Michael Kapfer
+# 27 May 2015
+# GNU GPL v3.0 -> Feel free to re-distribute or fork it
+
+## Android Stuido path
+STUDIO_PATH="/opt/android-studio/bin"
+
+## Enable HiDPI
+function enable_hidpi {
+    sudo echo "-Dhidpi=true" >> $STUDIO_PATH/stuido.vmoptions
+    sudo echo "-Dhidpi=true" >> $STUDIO_PATH/studio64.vmoptions
+    echo "HiDPI enabled"
+    exit
+}
+
+## Disable HiDPI
+function disable_hidpi {
+    idea=$(sed '/-Dhidpi=true/d' $STUDIO_PATH/idea.vmoptions)
+    idea64=$(sed '/-Dhidpi=true/d' $STUDIO_PATH/idea64.vmoptions)
+    sudo echo "$idea" > $STUDIO_PATH/studio.vmoptions
+    sudo echo "$idea64" > $STUDIO_PATH/studio64.vmoptions
+    echo "HiDPI disabled"
+    exit
+}
+
+## Usage
+usage=$(
+cat <<EOF
+Usage:
+
+Enable HiDPI support:
+--enable
+or
+-e
+
+Disabling HiDPI support:
+--disable
+or
+-d
+
+Help (prints this)
+--help
+or
+-h
+
+EOF
+)
+
+## Options
+### Runns if no argument is given
+if [[ -z "$1" ]]
+then
+    echo
+    echo "$usage"
+    exit
+fi
+
+
+### Runs if an argument is given
+until [[ $1 == -- ]]; do
+    case $1 in
+        -e | --enable)
+            enable_hidpi
+            ;;
+        -d | --disable)
+            disable_hidpi
+            ;;
+        -h | --help)
+            echo "$usage"
+            exit
+            ;;
+    esac
+done
diff --git a/buildpdf.sh b/buildpdf.sh
new file mode 100755
index 0000000..8018c20
--- /dev/null
+++ b/buildpdf.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+# A script for automatically creating PDf files from a latex document
+# You can set the amounts of builds and the time between these builds
+# Usage: ./buildpdf.sh filename [build amount] [time between builds in s]
+# Marcel Michael Kapfer
+# 6th January 2015
+# GNU GPL v3.0 -> Feel free to re-distribute it or fork it
+if [[ -z "$1" ]]; then
+	echo "Usage: ./buildpdf.sh filename [build amount] [time between builds in s]"
+	exit 1
+else
+	filename=$1
+fi	
+if [[ -z "$2" ]]; then
+	builds=1
+else
+	builds=$2
+fi
+if [[ -z "$3" ]]; then
+	sleeptime=120
+else
+	sleeptime=$3
+fi
+for ((i=1; i<=$builds; ++i)) ;
+do
+	pdflatex $filename
+	echo "Build $i ready"
+	if (( i < builds )); then
+		echo "Waiting $sleeptime seconds - then build again"
+		sleep $sleeptime
+	fi
+done
diff --git a/intellij-hidpi.sh b/intellij-hidpi.sh
new file mode 100755
index 0000000..9c476b4
--- /dev/null
+++ b/intellij-hidpi.sh
@@ -0,0 +1,75 @@
+#!/bin/bash
+# This is a small script for enabling and disabling HiDPI support on IntelliJ IDEA Community Edition on every Linux distribution where IntelliJ is installed in /usr/share/intellijidea-ce/. If the installation is somewhere else you have to change the variable IDEA_PATH.
+# Marcel Michael Kapfer
+# 27 May 2015
+# GNU GPL v3.0 -> Feel free to re-distribute or fork it
+
+## IntelliJ path
+IDEA_PATH="/usr/share/intellijidea-ce/bin"
+
+## Enable HiDPI
+function enable_hidpi {
+    sudo echo "-Dhidpi=true" >> $IDEA_PATH/idea.vmoptions
+    sudo echo "-Dhidpi=true" >> $IDEA_PATH/idea64.vmoptions
+    echo "HiDPI enabled"
+    exit
+}
+
+## Disable HiDPI
+function disable_hidpi {
+    idea=$(sed '/-Dhidpi=true/d' $IDEA_PATH/idea.vmoptions)
+    idea64=$(sed '/-Dhidpi=true/d' $IDEA_PATH/idea64.vmoptions)
+    sudo echo "$idea" > $IDEA_PATH/idea.vmoptions
+    sudo echo "$idea64" > $IDEA_PATH/idea64.vmoptions
+    echo "HiDPI disabled"
+    exit
+}
+
+## Usage
+usage=$(
+cat <<EOF
+Usage:
+
+Enable HiDPI support:
+--enable
+or
+-e
+
+Disabling HiDPI support:
+--disable
+or
+-d
+
+Help (prints this)
+--help
+or
+-h
+
+EOF
+)
+
+## Options
+### Runns if no argument is given
+if [[ -z "$1" ]]
+then
+    echo
+    echo "$usage"
+    exit
+fi
+
+
+### Runs if an argument is given
+until [[ $1 == -- ]]; do
+    case $1 in
+        -e | --enable)
+            enable_hidpi
+            ;;
+        -d | --disable)
+            disable_hidpi
+            ;;
+        -h | --help)
+            echo "$usage"
+            exit
+            ;;
+    esac
+done