diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index fa4551d..a9e594e 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,3 +1,4 @@
+---
 name: Rust
 
 on:
@@ -11,14 +12,42 @@ env:
 
 jobs:
   build:
+    name: Build and Test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check format
+        run: cargo fmt --check
+      - name: Build
+        run: cargo build --verbose
+      - uses: taiki-e/install-action@nextest
+      - name: Run tests
+        run: cargo nextest run --verbose --all-features
+      - name: Run doctests
+        run: cargo test --doc --verbose --all-features
 
+  codecov:
+    name: Code Coverage
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v3
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose --features=serde
-    - name: Run doctests
-      run: cargo test --doc --verbose --features=serde
+      - uses: actions/checkout@v4
+      - name: Build
+        run: cargo build --verbose
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: llvm-tools-preview
+      - name: Install cargo-llvm-cov
+        uses: taiki-e/install-action@cargo-llvm-cov
+      - name: Install nextest
+        uses: taiki-e/install-action@nextest
+      - name: Generate code coverage
+        run: cargo llvm-cov nextest --all-features --workspace --lcov --output-path lcov.info
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4.0.1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: lcov.info
+          fail_ci_if_error: true
diff --git a/.gitignore b/.gitignore
index 8eb581d..b8705c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /target
 /Cargo.lock
 /.idea
+/lcov.info
diff --git a/Cargo.toml b/Cargo.toml
index 0f79bef..e149794 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,12 +13,12 @@ rust-version = "1.67.1"
 
 [features]
 default = ["fast-rng"]
-arbitrary = ["uuid/arbitrary", "arbitrary/derive"]  # Add support for arbitrary types
-random = ["uuid/v4"]                                # Create random ShortGuid IDs
-fast-rng = ["random", "uuid/fast-rng"]             # Use a faster (but still sufficiently random) RNG
-serde = ["dep:serde", "uuid/serde"]                 # Serialization and deserialization support
-# zerocopy = ["dep:zerocopy", "uuid/zerocopy"]        # Zerocopy support
-bytemuck = ["dep:bytemuck", "uuid/bytemuck"]        # Bytemuck support
+arbitrary = ["uuid/arbitrary", "arbitrary/derive"]       # Add support for arbitrary types
+random = ["uuid/v4"]                                     # Create random ShortGuid IDs
+fast-rng = ["random", "uuid/fast-rng"]                   # Use a faster (but still sufficiently random) RNG
+serde = ["dep:serde", "uuid/serde"]                      # Serialization and deserialization support
+# zerocopy = ["dep:zerocopy", "uuid/zerocopy"]           # Zerocopy support
+bytemuck = ["dep:bytemuck", "uuid/bytemuck"]             # Bytemuck support
 borsh = ["dep:borsh", "dep:borsh-derive", "uuid/borsh"]  # Borsh support
 
 [[example]]
diff --git a/README.md b/README.md
index fbaf66f..5440b1e 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,12 @@
 # ShortGuid
 
-Short URL-safe Base64 encoded UUIDs. 
+[![codecov](https://codecov.io/gh/nyris/shortguid-rs/graph/badge.svg?token=YOM7OCX28D)](https://codecov.io/gh/nyris/shortguid-rs)
+
+Short URL-safe Base64 encoded UUIDs.
 
 ---
 
-ShortGuids transparently represent UUID types but use only 22 characters 
+ShortGuids transparently represent UUID types but use only 22 characters
 in their string representation, as opposed to 36 characters for a dashed
 UUID or 32 without dashes.
 
diff --git a/src/lib.rs b/src/lib.rs
index babdc9b..5ba42c9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,5 @@
 //! # shortguid
-//! 
+//!
 //! Provides short, URL-safe UUID representations.
 //!
 //! ```