diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..e362a6e
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,18 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{*.rb,*.js,*.ts,*.ex,*.ml}]
+indent_style = space
+indent_size = 2
+
+[{*.rs,*.zig,*.py,*.c,*.cpp,*.h,*.kt,*.sql}]
+indent_style = space
+indent_size = 4
+
+[Makefile]
+indent_style = tab
diff --git a/advent-of-code/2023/elixir/day_07/lib/solution.ex b/advent-of-code/2023/elixir/day_07/lib/solution.ex
index 20cb4c0..799f6f4 100644
--- a/advent-of-code/2023/elixir/day_07/lib/solution.ex
+++ b/advent-of-code/2023/elixir/day_07/lib/solution.ex
@@ -94,10 +94,10 @@ defmodule Solution do
 
       iex> Solution.get_rank("23432")
       3
-      
+
       iex> Solution.get_rank("A23A4")
       2
-      
+
       iex> Solution.get_rank("23456")
       1
   """
diff --git a/advent-of-code/2023/elixir/day_08/lib/navigator.ex b/advent-of-code/2023/elixir/day_08/lib/navigator.ex
index b779eab..b539a71 100644
--- a/advent-of-code/2023/elixir/day_08/lib/navigator.ex
+++ b/advent-of-code/2023/elixir/day_08/lib/navigator.ex
@@ -3,7 +3,7 @@ defmodule Navigator do
   Count steps for the first part.
 
   # Examples
-      
+
       iex> Navigator.count_steps(["R"], %{"AAA" => ["AAA", "ZZZ"], "ZZZ" => ["ZZZ", "ZZZ"]})
       1
   """
@@ -35,7 +35,7 @@ defmodule Navigator do
   Count steps for the second part.
 
   # Examples
-    
+
       iex> Navigator.count_ghost_steps(["R"], %{"BBA" => ["BBA", "BBZ"], "BBZ" => ["BBZ", "BBZ"]})
       1
   """
@@ -72,7 +72,7 @@ defmodule Navigator do
 
       iex> Navigator.pick_destination(["AAA", "BBB"], "L")
       "AAA"
-      
+
       iex> Navigator.pick_destination(["AAA", "BBB"], "R")
       "BBB"
   """
diff --git a/advent-of-code/2023/elixir/day_08/lib/parser.ex b/advent-of-code/2023/elixir/day_08/lib/parser.ex
index a4bec26..479553d 100644
--- a/advent-of-code/2023/elixir/day_08/lib/parser.ex
+++ b/advent-of-code/2023/elixir/day_08/lib/parser.ex
@@ -13,7 +13,7 @@ defmodule Parser do
   Parse instructions.
 
   # Examples:
-    
+
     iex> Parser.parse_input(["LLR", "", "AAA = (AAA, ZZZ)", "ZZZ = (ZZZ, ZZZ)"])
     {["L", "L", "R"], %{"AAA" => ["AAA", "ZZZ"], "ZZZ" => ["ZZZ", "ZZZ"]}}
   """
diff --git a/advent-of-code/2023/elixir/day_09/lib/oasis.ex b/advent-of-code/2023/elixir/day_09/lib/oasis.ex
index c5ebec6..943f1f5 100644
--- a/advent-of-code/2023/elixir/day_09/lib/oasis.ex
+++ b/advent-of-code/2023/elixir/day_09/lib/oasis.ex
@@ -64,7 +64,7 @@ defmodule Oasis do
   Get a list of differences between values.
 
   Examples:
-      
+
       iex> Oasis.get_diff([1, 3, 6, 10, 15, 21])
       [2, 3, 4, 5, 6]
   """
diff --git a/codeforces/round-923/task-d/main.cpp b/codeforces/round-923/task-d/main.cpp
index de5e183..ffc319e 100644
--- a/codeforces/round-923/task-d/main.cpp
+++ b/codeforces/round-923/task-d/main.cpp
@@ -42,7 +42,7 @@ int main() {
                 }
             } else {
                 bool found = false;
-                
+
                 for (int i = l + 1; i <= r; i++) {
                     if (arr[i] != arr[l]) {
                         // Different number was found
diff --git a/codewars/ocaml/rank-up/statistics-for-an-athletic-association/main.ml b/codewars/ocaml/rank-up/statistics-for-an-athletic-association/main.ml
index 4e5152c..c23df61 100644
--- a/codewars/ocaml/rank-up/statistics-for-an-athletic-association/main.ml
+++ b/codewars/ocaml/rank-up/statistics-for-an-athletic-association/main.ml
@@ -31,10 +31,10 @@ let stat (s : string) : string =
   | s -> (
     let raw_results = List.map String.trim (String.split_on_char ',' s) in
     let res_in_seconds = List.map to_seconds raw_results in
-  
+
     let range_str = seconds_to_time (range res_in_seconds) in
     let avg_str = seconds_to_time (int_of_float (avg res_in_seconds)) in
     let median_str = seconds_to_time (int_of_float (median res_in_seconds)) in
-  
+
     Printf.sprintf "Range: %s Average: %s Median: %s" range_str avg_str median_str
   );;
diff --git a/leetcode/0008-string-to-integer/main.rb b/leetcode/0008-string-to-integer/main.rb
index 9d4f2f2..d0bd698 100644
--- a/leetcode/0008-string-to-integer/main.rb
+++ b/leetcode/0008-string-to-integer/main.rb
@@ -11,15 +11,15 @@ def my_atoi(s)
     if c >= '0' && c <= '9'
       digit_was_scanned = true
       conv = c.ord - '0'.ord
-      
+
       # Add new digit
       res = res * 10 + conv * sign
-      
+
       # Test overflow
       return i32_max if sign > 0 && res > i32_max
       return i32_min if sign < 0 && res < i32_min
-      
-    
+
+
     # First '-'
     elsif c == '-' && sign_was_scanned == false && digit_was_scanned == false
       sign_was_scanned = true
@@ -28,23 +28,23 @@ def my_atoi(s)
     # First '+'
     elsif c == '+' && sign_was_scanned == false && digit_was_scanned == false
       sign_was_scanned = true
-    
+
     # Repeated '-' or '-' after number
     elsif c == '-'
       return res
-    
+
     # Repeated '+' or '+' after number
     elsif c == '+'
       return res
-    
+
     # Letters before number
     elsif c != '+' && c != ' ' && digit_was_scanned == false
       return 0
-    
+
     # Space after sign
     elsif c == ' ' && sign_was_scanned
       return res
-    
+
     # Letters after number
     elsif digit_was_scanned == true
       return res
diff --git a/leetcode/0223-rectangle-area/main.rb b/leetcode/0223-rectangle-area/main.rb
index 9a4242b..3e9a724 100644
--- a/leetcode/0223-rectangle-area/main.rb
+++ b/leetcode/0223-rectangle-area/main.rb
@@ -1,6 +1,6 @@
 def find_intersection(a, b)
   a,b = b,a if a.min > b.min
-  
+
   return [a.max, b.max].min - b.min if a.max > b.min
 
   0