diff --git a/README.md b/README.md
index f9f31f2..f0795d4 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@ A simple Vim plugin that lets you insert single characters without leaving norma
 - Stay in normal mode for efficient editing
 - Minimal workflow interruption
 - Works with Vim 9+
+- **Supports [`vim-repeat`](https://github.com/tpope/vim-repeat) for `.` repeat functionality**
 
 ## Installation
 
@@ -26,6 +27,16 @@ cp -r vim-singlechar ~/.vim/pack/plugins/start/
 cd -
 ```
 
+### Optional: Install [vim-repeat](https://github.com/tpope/vim-repeat)
+
+For seamless repeat (`.`) support, install [vim-repeat](https://github.com/tpope/vim-repeat):
+
+```bash
+mkdir -p ~/.vim/pack/tpope/start
+cd ~/.vim/pack/tpope/start
+git clone https://tpope.io/vim/repeat.git
+```
+
 ## Usage
 
 By default, the plugin provides two mappings:
@@ -42,6 +53,10 @@ You can use a count before the mapping to insert the character multiple times:
 - `3<Leader>i,` will insert three commas at the cursor position
 - `5<Leader>a.` will insert five periods after the cursor position
 
+### Repeat last insert with `.`
+
+If [vim-repeat](https://github.com/tpope/vim-repeat) is installed, you can repeat the last character insertion with `.` in normal mode.
+
 ## Configuration
 
 You can customize the plugin by setting these variables in your vimrc:
diff --git a/autoload/singlechar.vim b/autoload/singlechar.vim
new file mode 100644
index 0000000..f14370e
--- /dev/null
+++ b/autoload/singlechar.vim
@@ -0,0 +1,43 @@
+vim9script noclear
+ 
+# Function to handle character insertion
+# Parameters:
+#   mode:  'at' to insert before cursor, 'after' to insert after cursor
+#   count: number of times to repeat the character
+#   pkey: character to insert (optional)
+export def InsertChar(mode: string, count: number, pkey: string = ''): void
+
+    var key = pkey
+    if pkey == ''
+        echo g:singlechar_prompt
+        redraw
+
+        # Get character from user
+        var char = getchar()
+        key = nr2char(char)
+    endif
+    if key ==# "\<Esc>"
+        return
+    endif
+    
+    # Determine whether to insert before (i) or after (a) cursor
+    var cmd = (mode ==# 'at') ? 'i' : 'a'
+    var text = repeat(key, count)
+
+    execute 'normal! ' .. cmd .. text .. "\<Esc>"
+    #save
+    g:last_singlechar_key = key
+    g:last_singlechar_mode = mode
+    g:last_singlechar_count = count
+
+    #set vim-repeat
+    #if exists('*repeat#set')
+        legacy silent! call repeat#set("\<Plug>(singlechar-repeat)")
+    #endif
+enddef
+
+def g:RepeatSingleChar(): void
+    if g:last_singlechar_key != ''
+        call InsertChar(g:last_singlechar_mode, g:last_singlechar_count, g:last_singlechar_key)
+    endif
+enddef
diff --git a/doc/singlechar.txt b/doc/singlechar.txt
index ca88bb4..17b0258 100644
--- a/doc/singlechar.txt
+++ b/doc/singlechar.txt
@@ -34,6 +34,7 @@ REQUIREMENTS                                              *singlechar-requiremen
 
 - Vim 9.0 or newer
 - Vim compiled with `+eval` feature
+- [vim-repeat](https://github.com/tpope/vim-repeat/) (optional, for dot-repeat support)
 
 ===============================================================================
 INSTALLATION                                              *singlechar-installation*
@@ -43,6 +44,13 @@ Manual installation: >
     mkdir -p ~/.vim/pack/plugins/start/
     cp -r vim-singlechar ~/.vim/pack/plugins/start/
 <
+
+To enable dot-repeat (`.`) for character insertions, install vim-repeat: >
+    mkdir -p ~/.vim/pack/tpope/start
+    cd ~/.vim/pack/tpope/start
+    git clone https://tpope.io/vim/repeat.git
+<
+
 ===============================================================================
 USAGE                                                          *singlechar-usage*
 
@@ -60,6 +68,12 @@ You can use a count before the mapping to insert the character multiple times: >
     5<Leader>i-  " Insert 5 hyphens at cursor position
     3<Leader>a.  " Insert 3 periods after cursor position
 <
+
+Dot-repeat support (`.`):
+
+If [vim-repeat](https://github.com/tpope/vim-repeat/) is installed,
+you can use the `.` key to repeat the last single character insertion (with count and position).
+
 ===============================================================================
 COMMANDS                                                    *singlechar-commands*
 
@@ -110,10 +124,15 @@ Adding multiple periods: >
     Action: Position cursor at the end, press 3<Leader>a.
     After:  Some text...
 <
+Dot-repeat: >
+    Action: Press <Leader>i? to insert a question mark, then press . to repeat the insertion at the next location.
+<
+
 ===============================================================================
 TIPS & TRICKS                                                  *singlechar-tips*
 
 - The plugin works well with Vim's macro recording feature
+- For fast repetitive edits, use dot-repeat (`.`) if vim-repeat is installed
 
 ===============================================================================
 LICENSE                                                      *singlechar-license*
diff --git a/plugin/singlechar.vim b/plugin/singlechar.vim
index 32e7dcf..465158c 100644
--- a/plugin/singlechar.vim
+++ b/plugin/singlechar.vim
@@ -1,4 +1,5 @@
 vim9script noclear
+import autoload 'singlechar.vim'
 # ------------------------------------------------------------------------------ #
 # singlechar.vim - Insert single characters without entering insert mode
 # Author:       lohhiiccc
@@ -17,8 +18,8 @@ if exists('g:loaded_singlechar') || &cp || v:version < 900
 endif
 g:loaded_singlechar = 1
 # ------------------------------------------------------------------------------ #
-
 # Configuration options
+
 # Mapping to insert a character at cursor position (before cursor)
 if !exists('g:singlechar_map_insert_at')
   g:singlechar_map_insert_at = '<Leader>i'
@@ -35,37 +36,18 @@ if !exists('g:singlechar_prompt')
 endif
 
 # ------------------------------------------------------------------------------ #
-# Core functionality
-
-# Function to handle character insertion
-# Parameters:
-#   mode:  'at' to insert before cursor, 'after' to insert after cursor
-#   count: number of times to repeat the character
-def InsertChar(mode: string, count: number): void
-    echo g:singlechar_prompt
-    
-    # Get character from user
-    var char = getchar()
-    var key = nr2char(char)
-    
-    redraw
-    if key ==# "\<Esc>"
-        return
-    endif
-    
-    # Determine whether to insert before (i) or after (a) cursor
-    var cmd = (mode ==# 'at') ? 'i' : 'a'
-    var text = repeat(key, count)
-
-    execute 'normal! ' .. cmd .. text .. "\<Esc>"
-enddef
-
+#
+g:last_singlechar_key = ''
+g:last_singlechar_mode = ''
+g:last_singlechar_count = 1
+# 
 # ------------------------------------------------------------------------------ #
-# Commands and mappings
+# Mappings <Plug>
+nnoremap <Plug>(singlechar-repeat) :call g:RepeatSingleChar()<CR>
 
 # Direct command implementations
-command! -count=1 -nargs=0 InsertCharAt InsertChar('at', <count>)
-command! -count=1 -nargs=0 InsertCharAfter InsertChar('after', <count>)
+command! -count=1 -nargs=0 InsertCharAt singlechar.InsertChar('at', <count>)
+command! -count=1 -nargs=0 InsertCharAfter singlechar.InsertChar('after', <count>)
 
 # Create default mappings unless disabled
 if !exists('g:singlechar_no_mappings')
@@ -73,7 +55,6 @@ if !exists('g:singlechar_no_mappings')
     execute 'nnoremap <expr> <silent> ' .. g:singlechar_map_insert_after .. ' ":<C-u>InsertCharAfter " .. v:count1 .. "<CR>"'
 endif
 
-
 # Usage:
 # <Leader>i - Insert character at cursor position
 # <Leader>a - Insert character after cursor position