diff --git a/.codespellrc b/.codespellrc
new file mode 100644
index 00000000..e7bd87b4
--- /dev/null
+++ b/.codespellrc
@@ -0,0 +1,2 @@
+[codespell]
+ignore-words-list = missings,rcall,linke,fo
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index edcbbcf5..38db71eb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -77,4 +77,4 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
-          
\ No newline at end of file
+          
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
new file mode 100644
index 00000000..eac2920e
--- /dev/null
+++ b/.github/workflows/pre-commit.yml
@@ -0,0 +1,21 @@
+name: pre-commit
+
+on:
+  pull_request:
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: julia-actions/setup-julia@v2
+      with:
+        version: 1.11
+    - run: |
+          julia --project=@runic -e '
+            using Pkg
+            Pkg.add("Runic")'
+      env:
+        PYTHON: ""
+    - uses: actions/setup-python@v5
+    - uses: pre-commit/action@v3.0.1
diff --git a/.gitignore b/.gitignore
index 5b31b2f5..735d1fbc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,4 @@ docs/src/*examples
 Manifest*.toml
 .repl_history.jl
 quarry
-*.vtu
\ No newline at end of file
+*.vtu
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100755
index 00000000..83a49f5a
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,21 @@
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v5.0.0
+  hooks:
+  - id: check-added-large-files
+    args: [--maxkb=8192]
+  - id: check-merge-conflict
+  - id: check-toml
+  - id: check-yaml
+    args: [--allow-multiple-documents]
+  - id: end-of-file-fixer
+  - id: no-commit-to-branch
+    args: [--branch,master]
+- repo: https://github.com/gitleaks/gitleaks
+  rev: v8.16.3
+  hooks:
+  - id: gitleaks
+- repo: https://github.com/codespell-project/codespell
+  rev: v2.2.4
+  hooks:
+  - id: codespell
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46c91b24..dd524395 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1143,5 +1143,3 @@ added DocStringExtensions
 - Add Printf in Project.toml
 
 - Fixed compat...
-
-
diff --git a/docs/src/coordinatesystem.md b/docs/src/coordinatesystem.md
index ae6732e3..666906d4 100644
--- a/docs/src/coordinatesystem.md
+++ b/docs/src/coordinatesystem.md
@@ -17,4 +17,3 @@ coordinatesystems() #hide
 Modules = [ExtendableGrids]
 Pages = ["coordinatesystem.jl"]
 ```
-
diff --git a/docs/src/elementgeometry.md b/docs/src/elementgeometry.md
index 887bd272..a08afc7a 100644
--- a/docs/src/elementgeometry.md
+++ b/docs/src/elementgeometry.md
@@ -16,4 +16,3 @@ elementgeometries() #hide
 Modules = [ExtendableGrids]
 Pages = ["elementgeometry.jl"]
 ```
-
diff --git a/docs/src/extendablegrid.md b/docs/src/extendablegrid.md
index 77dc20eb..dff1ee33 100644
--- a/docs/src/extendablegrid.md
+++ b/docs/src/extendablegrid.md
@@ -77,4 +77,3 @@ show(g[NodeCells])
 Modules = [ExtendableGrids]
 Pages = ["extendablegrid.jl"]
 ```
-
diff --git a/docs/src/gridconstructors.md b/docs/src/gridconstructors.md
index 7f194aa6..0dc06fa3 100644
--- a/docs/src/gridconstructors.md
+++ b/docs/src/gridconstructors.md
@@ -13,4 +13,3 @@ Private = false
 Modules = [ExtendableGrids]
 Pages = ["commongrids.jl"]
 ```
-
diff --git a/docs/src/index.md b/docs/src/index.md
index 01b25c85..4b21d473 100644
--- a/docs/src/index.md
+++ b/docs/src/index.md
@@ -4,4 +4,3 @@ Markdown.parse("""
 $(read("../../README.md",String))
 """)
 ````
-
diff --git a/docs/src/more.md b/docs/src/more.md
index d08a8efb..57073e4c 100644
--- a/docs/src/more.md
+++ b/docs/src/more.md
@@ -5,4 +5,3 @@
 Modules = [ExtendableGrids]
 Pages = ["derived.jl","more.jl"]
 ```
-
diff --git a/docs/src/refinement.md b/docs/src/refinement.md
index 2e66210e..1676d61a 100644
--- a/docs/src/refinement.md
+++ b/docs/src/refinement.md
@@ -5,4 +5,3 @@
 Modules = [ExtendableGrids]
 Pages = ["meshrefinements.jl","adaptive_meshrefinements.jl"]
 ```
-
diff --git a/docs/src/regionedit.md b/docs/src/regionedit.md
index 7bd8703d..d2113bad 100644
--- a/docs/src/regionedit.md
+++ b/docs/src/regionedit.md
@@ -9,4 +9,3 @@ bfacemask!
 rect!
 bedgemask!
 ```
-
diff --git a/docs/src/shape_specs.md b/docs/src/shape_specs.md
index a1caa084..153a92bb 100644
--- a/docs/src/shape_specs.md
+++ b/docs/src/shape_specs.md
@@ -8,5 +8,3 @@
 Modules = [ExtendableGrids]
 Pages = ["shape_specs.jl"]
 ```
-
-
diff --git a/docs/src/subgrid.md b/docs/src/subgrid.md
index bf6e68f3..43ab91d4 100644
--- a/docs/src/subgrid.md
+++ b/docs/src/subgrid.md
@@ -30,4 +30,3 @@ println(subv)
 Modules = [ExtendableGrids]
 Pages = ["subgrid.jl"]
 ```
-
diff --git a/docs/src/tdict.md b/docs/src/tdict.md
index 50ca4c58..68213427 100644
--- a/docs/src/tdict.md
+++ b/docs/src/tdict.md
@@ -47,4 +47,3 @@ See above ...
 #### Cons
 - Implemented using a Dict, so access is inherently slower than access to a component
   of a struct. Therefore it is not well suited for inner loops.
-
diff --git a/docs/src/tokenstream.md b/docs/src/tokenstream.md
index 95b71951..3747f026 100644
--- a/docs/src/tokenstream.md
+++ b/docs/src/tokenstream.md
@@ -9,5 +9,3 @@ reading of tokenizable ASCII files
 Modules = [ExtendableGrids]
 Pages = ["tokenstream.jl"]
 ```
-
-
diff --git a/docs/src/voronoi.md b/docs/src/voronoi.md
index cc04f27a..70c68737 100644
--- a/docs/src/voronoi.md
+++ b/docs/src/voronoi.md
@@ -5,4 +5,3 @@
 Modules = [ExtendableGrids]
 Pages = ["voronoi.jl"]
 ```
-
diff --git a/examples/experimental/adjacency.jl b/examples/experimental/adjacency.jl
index 32535ef8..fa4ab371 100644
--- a/examples/experimental/adjacency.jl
+++ b/examples/experimental/adjacency.jl
@@ -200,4 +200,3 @@ function test_adj_performance(n=100_000)
     """
     nothing
 end
-
diff --git a/examples/vtk_write.jl b/examples/vtk_write.jl
index 569990b3..bce60c14 100644
--- a/examples/vtk_write.jl
+++ b/examples/vtk_write.jl
@@ -44,4 +44,4 @@ function grid1D_test(filename::String)
     writeVTK(filename::String, g, true; point_data = point_data, 
                               cell_data = cell_data, 
                               field_data = field_data)
-end
\ No newline at end of file
+end
diff --git a/src/assemblytypes.jl b/src/assemblytypes.jl
index 4ac78ba6..c3a6678d 100644
--- a/src/assemblytypes.jl
+++ b/src/assemblytypes.jl
@@ -90,4 +90,3 @@ GridComponentGeometries4AssemblyType(AT::Type{<:AssemblyType}) = GridComponent4T
 GridComponentUniqueGeometries4AssemblyType(AT::Type{<:AssemblyType}) = GridComponent4TypeProperty(ItemType4AssemblyType(AT),PROPERTY_UNIQUEGEOMETRY)
 GridComponentRegions4AssemblyType(AT::Type{<:AssemblyType}) = GridComponent4TypeProperty(ItemType4AssemblyType(AT),PROPERTY_REGION)
 GridComponentAssemblyGroups4AssemblyType(AT::Type{<:AssemblyType}) = GridComponent4TypeProperty(ItemType4AssemblyType(AT),PROPERTY_ASSEMBLYGROUP)
-
diff --git a/src/commongrids.jl b/src/commongrids.jl
index 3ed0cb9d..bbdf5191 100644
--- a/src/commongrids.jl
+++ b/src/commongrids.jl
@@ -252,4 +252,3 @@ function ringsector(rad,ang; eltype=Triangle2D)
     end
     simplexgrid(coord,cells,cellregions,bfaces,bfaceregions)
 end
-
diff --git a/src/deprecated.jl b/src/deprecated.jl
index ea42615b..18cf2d9f 100644
--- a/src/deprecated.jl
+++ b/src/deprecated.jl
@@ -5,4 +5,4 @@ export NodeInParent
 function ExtendableGrids.instantiate(xgrid::ExtendableGrid, ::Type{NodeInParent})
     @warn "NodeInParents is deprecated, use NodeParents instead"
     xgrid[NodeParents]
-end
\ No newline at end of file
+end
diff --git a/src/derived.jl b/src/derived.jl
index dac2f317..2efd4d62 100644
--- a/src/derived.jl
+++ b/src/derived.jl
@@ -1347,4 +1347,4 @@ function ExtendableGrids.instantiate(xgrid::ExtendableGrid{Tc,Ti}, ::Type{BEdgeA
         append!(xGeometryGroups, findall(==(EG), xBEdgeGeometries))
     end
     xGeometryGroups
-end
\ No newline at end of file
+end
diff --git a/src/serialadjacency.jl b/src/serialadjacency.jl
index fe53e353..70ef90ae 100644
--- a/src/serialadjacency.jl
+++ b/src/serialadjacency.jl
@@ -72,4 +72,4 @@ Append a column to adjacency.
 """
 function Base.append!(adj::SerialVariableTargetAdjacency,len)
     push!(adj.colstart,adj.colstart[end]+len)
-end
\ No newline at end of file
+end
diff --git a/src/subgrid.jl b/src/subgrid.jl
index d58d74a6..f48a88c8 100644
--- a/src/subgrid.jl
+++ b/src/subgrid.jl
@@ -340,6 +340,3 @@ $(TYPEDSIGNATURES)
 Return size of vector view.
 """
 Base.size(a::SubgridVectorView)=(size(a.node_in_parent,1),)
-
-
-
diff --git a/src/tokenstream.jl b/src/tokenstream.jl
index 8e762eff..25faab07 100644
--- a/src/tokenstream.jl
+++ b/src/tokenstream.jl
@@ -169,4 +169,3 @@ function trytoken(tks::TokenStream,expected::String)
     end
     return true
 end
-
diff --git a/src/typehierarchy.jl b/src/typehierarchy.jl
index deed14bc..58d86aa8 100644
--- a/src/typehierarchy.jl
+++ b/src/typehierarchy.jl
@@ -46,4 +46,3 @@ function allsubtypes(TApex)
     end
     allsubtypes!(Type[],TApex)
 end
-
diff --git a/src/vectorofconstants.jl b/src/vectorofconstants.jl
index e8fc4e4d..81d154a7 100644
--- a/src/vectorofconstants.jl
+++ b/src/vectorofconstants.jl
@@ -56,9 +56,3 @@ $(TYPEDSIGNATURES)
 Shortcut for unique
 """
 Base.unique(v::VectorOfConstants)=[v.val]
-
-
-
-
-
-
diff --git a/test/testbinned.jl b/test/testbinned.jl
index 34f79b66..bcfe8a25 100644
--- a/test/testbinned.jl
+++ b/test/testbinned.jl
@@ -24,4 +24,3 @@ end
 @test testbinning(rand(2, 10000))
 @test testbinning(rand(3, 10))
 @test testbinning(rand(3, 10000))
-
diff --git a/test/tritet.jl b/test/tritet.jl
index bbc19003..a6e20236 100644
--- a/test/tritet.jl
+++ b/test/tritet.jl
@@ -93,4 +93,3 @@ end
     @test isa(prism(),ExtendableGrid)
     @test isa(material_prism(),ExtendableGrid)
 end
-