diff --git a/.editorconfig b/.editorconfig
index 5859ed1..ab9e679 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,6 +1,7 @@
 root = true
 
 [*]
+end_of_line = lf
 trim_trailing_whitespace = false
 insert_final_newline = true
 charset = utf-8
diff --git a/.gitattributes b/.gitattributes
index f2a97f2..50023d5 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1 @@
-* text=auto linguist-detectable
+* text=auto eol=lf linguist-detectable
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..af4eab8
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,32 @@
+ci:
+  # Forĝejo/Gitea mirrors will autoclose pull requests. This should decrease
+  # the frequency of unnecessary PRs.
+  # https://github.com/pre-commit-ci/issues/issues/83
+  autoupdate_schedule: quarterly
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: check-added-large-files
+      - id: check-case-conflict
+      - id: check-executables-have-shebangs
+      - id: check-shebang-scripts-are-executable
+      - id: destroyed-symlinks
+      - id: detect-private-key
+      - id: end-of-file-fixer
+      - id: fix-byte-order-marker
+      - id: trailing-whitespace
+        exclude_types: [markdown]
+
+  - repo: https://github.com/pre-commit/mirrors-prettier
+    rev: "v3.0.0-alpha.9-for-vscode"
+    hooks:
+      - id: prettier
+
+  - repo: https://github.com/editorconfig-checker/editorconfig-checker.python
+    rev: "2.7.1"
+    hooks:
+      - id: editorconfig-checker
+        alias: ec
+        args: [-disable-max-line-length]