diff --git a/README.md b/README.md
index bf9c5df..8d0907a 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ FFWebP is a small, single-binary CLI for converting images between formats, thin
 
 - Single binary: no external tools required
 - Auto-detects input codec and infers output from the file extension
-- Supports AVIF, BMP, GIF, ICO, JPEG, JPEG XL, PNG, PNM (PBM/PGM/PPM/PAM), PSD (decode-only), QOI, TGA, TIFF, WebP, and XBM
+- Supports AVIF, BMP, GIF, ICO, JPEG, JPEG XL, PCX, PNG, PNM (PBM/PGM/PPM/PAM), PSD (decode-only), QOI, TGA, TIFF, WebP, and XBM
 - Lossy or lossless output with configurable quality
 - Thumbnail generation via Lanczos3 resampling
 - Per-codec flags for fine-grained control (see `ffwebp --help`)
diff --git a/go.mod b/go.mod
index 54e6d39..7324b71 100644
--- a/go.mod
+++ b/go.mod
@@ -14,6 +14,7 @@ require (
 	github.com/kriticalflare/qoi v0.0.0-20240815192827-34f66f23bcef
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
 	github.com/oov/psd v0.0.0-20220121172623-5db5eafcecbb
+	github.com/samuel/go-pcx v0.0.0-20210515040514-6a5ce4d132f7
 	github.com/sergeymakinen/go-ico v1.0.0-beta.0
 	github.com/spakin/netpbm v1.3.2
 	github.com/xyproto/xbm v1.0.0
diff --git a/go.sum b/go.sum
index d55a92c..5b51d40 100644
--- a/go.sum
+++ b/go.sum
@@ -25,6 +25,8 @@ github.com/oov/psd v0.0.0-20220121172623-5db5eafcecbb h1:JF9kOhBBk4WPF7luXFu5yR+
 github.com/oov/psd v0.0.0-20220121172623-5db5eafcecbb/go.mod h1:GHI1bnmAcbp96z6LNfBJvtrjxhaXGkbsk967utPlvL8=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/samuel/go-pcx v0.0.0-20210515040514-6a5ce4d132f7 h1:WhAiClm3vGzSl2EWdFsCFBEu2jEhHGa8qGsz4iIEpRc=
+github.com/samuel/go-pcx v0.0.0-20210515040514-6a5ce4d132f7/go.mod h1:8ofl4LzpDayZKQZYbUyCDW41Y6lgVoO02ABp57OASxY=
 github.com/sergeymakinen/go-bmp v1.0.0 h1:SdGTzp9WvCV0A1V0mBeaS7kQAwNLdVJbmHlqNWq0R+M=
 github.com/sergeymakinen/go-bmp v1.0.0/go.mod h1:/mxlAQZRLxSvJFNIEGGLBE/m40f3ZnUifpgVDlcUIEY=
 github.com/sergeymakinen/go-ico v1.0.0-beta.0 h1:m5qKH7uPKLdrygMWxbamVn+tl2HfiA3K6MFJw4GfZvQ=
diff --git a/internal/builtins/pcx.go b/internal/builtins/pcx.go
new file mode 100644
index 0000000..2429dae
--- /dev/null
+++ b/internal/builtins/pcx.go
@@ -0,0 +1,8 @@
+//go:build pcx || core || full
+// +build pcx core full
+
+package builtins
+
+import (
+	_ "github.com/coalaura/ffwebp/internal/codec/pcx"
+)
diff --git a/internal/codec/pcx/pcx.go b/internal/codec/pcx/pcx.go
new file mode 100644
index 0000000..5048e13
--- /dev/null
+++ b/internal/codec/pcx/pcx.go
@@ -0,0 +1,60 @@
+package pcx
+
+import (
+	"image"
+	"io"
+
+	"github.com/samuel/go-pcx/pcx"
+
+	"github.com/coalaura/ffwebp/internal/codec"
+	"github.com/coalaura/ffwebp/internal/opts"
+	"github.com/urfave/cli/v3"
+)
+
+func init() {
+	codec.Register(impl{})
+}
+
+type impl struct{}
+
+func (impl) String() string {
+	return "pcx"
+}
+
+func (impl) Extensions() []string {
+	return []string{"pcx"}
+}
+
+func (impl) CanEncode() bool {
+	return true
+}
+
+func (impl) Flags(flags []cli.Flag) []cli.Flag {
+	return flags
+}
+
+func (impl) Sniff(reader io.ReaderAt) (int, []byte, error) {
+	buf := make([]byte, 4)
+
+	if _, err := reader.ReadAt(buf, 0); err != nil {
+		return 0, nil, err
+	}
+
+	if buf[0] != 0x0A {
+		return 0, nil, nil
+	}
+
+	if buf[2] != 0x01 {
+		return 50, buf, nil
+	}
+
+	return 100, buf, nil
+}
+
+func (impl) Decode(r io.Reader) (image.Image, error) {
+	return pcx.Decode(r)
+}
+
+func (impl) Encode(w io.Writer, img image.Image, options opts.Common) error {
+	return pcx.Encode(w, img)
+}
diff --git a/test/image.pcx b/test/image.pcx
new file mode 100644
index 0000000..0125be0
Binary files /dev/null and b/test/image.pcx differ