diff --git a/.gitignore b/.gitignore
index 49a40c4..0e62f24 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
-# nix build artifact
+# build artifacts
 result
+target
 # Vim swap files
 *.swp
 # Generated website files
diff --git a/Makefile b/Makefile
index 08cd7ed..5070c2b 100644
--- a/Makefile
+++ b/Makefile
@@ -48,9 +48,9 @@ $(THUMB_DIR)/%.webp: $(DIST_DIR)/%.jpg
 $(BUILD_DIR)/index.json: $(build_metas) build-index.py
 	./build-index.py $(filter-out build-index.py,$^) > $@
 
-$(BUILD_DIR)/%.meta.json: $(DIST_DIR)/%.jpg $(THUMB_DIR)/%.webp extract-metadata.py
+$(BUILD_DIR)/%.meta.json: $(DIST_DIR)/%.jpg $(THUMB_DIR)/%.webp
 	@mkdir -p $(BUILD_DIR)
-	./extract-metadata.py --root $(DIST_DIR) --dist-path $(patsubst $(BUILD_DIR)/%.meta.json,$(DIST_DIR)/%.html,$@) --key $(patsubst $(BUILD_DIR)/%.meta.json,%,$@) --thumbnail $(patsubst $(BUILD_DIR)/%.meta.json,$(THUMB_DIR)/%.webp,$@) $< > $@
+	squeezer --root $(DIST_DIR) --dist-path $(patsubst $(BUILD_DIR)/%.meta.json,$(DIST_DIR)/%.html,$@) --key $(patsubst $(BUILD_DIR)/%.meta.json,%,$@) --thumbnail $(patsubst $(BUILD_DIR)/%.meta.json,$(THUMB_DIR)/%.webp,$@) $< > $@
 
 $(DIST_DIR)/index.html: $(BUILD_DIR)/index.json index.hbs
 	@mkdir -p $(DIST_DIR)
diff --git a/extract-metadata.py b/extract-metadata.py
deleted file mode 100755
index 87921bd..0000000
--- a/extract-metadata.py
+++ /dev/null
@@ -1,80 +0,0 @@
-#!/usr/bin/env python3
-
-import clize
-import exif
-import json
-
-
-from datetime import datetime
-from enum import Enum
-from pathlib import Path
-from typing import Any
-
-
-def exif_content_to_json(tag, content):
-    match content:
-        case Enum() as e:
-            return e.name
-        case int() as i:
-            return i
-        case float() as f:
-            return f
-        case str() as s:
-            if tag.startswith("datetime"):
-                dt = datetime.strptime(s, "%Y:%m:%d %H:%M:%S")
-                return dt.strftime("%Y-%m-%d %H:%M")
-            return s
-        case _:
-            return {"pyType": str(type(content)), "stringified": str(content)}
-
-
-def extract_exif_data(image_path: Path) -> dict[str, Any]:
-    with image_path.open("rb") as image_file:
-        image = exif.Image(image_file)
-
-    exif_data = {}
-    for tag in image.list_all():
-        try:
-            content = image[tag]
-        except:
-            # Some keys are in list_all() but can't be accessed for my camera :(
-            # Skip them.
-            continue
-        exif_data[tag] = exif_content_to_json(tag, content)
-
-    return exif_data
-
-
-def extract_stat_data(image_path: Path):
-    FIELDS = ["st_size"]
-
-    s = image_path.stat()
-    stat_data = {}
-    for field in FIELDS:
-        stat_data[field] = getattr(s, field)
-
-    return stat_data
-
-
-
-def extract_metadata(image_path: Path, *, root: Path, dist_path: Path, key: str, thumbnail: Path):
-    exif_data = extract_exif_data(image_path)
-    stat_data = extract_stat_data(image_path)
-
-    metadata = {
-        "exif": exif_data,
-        "stat": stat_data,
-        "path": {
-            "name": image_path.name,
-            "relativeToRoot": str(image_path.relative_to(root)),
-            "distRelativeToRoot": str(dist_path.relative_to(root)),
-            "thumbnailRelativeToRoot": str(thumbnail.relative_to(root)),
-        },
-        "key": key,
-    }
-
-    print(json.dumps(metadata, indent=2))
-
-
-if __name__ == "__main__":
-    clize.run(extract_metadata)
diff --git a/flake.nix b/flake.nix
index de2ce78..a7f7496 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,14 +18,19 @@
       in
       rec {
         packages.handlebars-rust = naersk-lib.buildPackage handlebars-rust-src;
+        packages.squeezer = naersk-lib.buildPackage ./squeezer;
         devShell = pkgs.mkShell {
           nativeBuildInputs = [
             packages.handlebars-rust
+            packages.squeezer
             pkgs.imagemagick
             pkgs.gnumake
             pkgs.jq
             pkgs.zip
-            (pkgs.python3.withPackages (ps: [ps.clize ps.exif]))
+            (pkgs.python3.withPackages (ps: [ps.clize]))
+
+            pkgs.cargo
+            pkgs.rustc
           ];
         };
       }
diff --git a/photo.hbs b/photo.hbs
index 7ee3095..827e47f 100644
--- a/photo.hbs
+++ b/photo.hbs
@@ -15,9 +15,10 @@
       <p><a href="./{{ navigation.previous }}">prev</a> · <a href="./{{ navigation.next }}">next</a> · <a href=".">up</a></p>
       <p>{{ exif.datetime }}</p>
       <p>
-        exposure time <strong>{{ exif.exposure_time }}s</strong><br>
-        aperture <strong>f{{ exif.aperture_value }}</strong><br>
-        iso <strong>{{ exif.photographic_sensitivity }}</strong>
+        exposure time <strong>???</strong><br>
+        aperture <strong>???</strong><br>
+        iso <strong>???</strong><br>
+        resolution <strong>{{ exif.PixelXDimension }}x{{ exif.PixelYDimension }}</strong>
       </p>
     </div>
   </div>
diff --git a/squeezer/Cargo.lock b/squeezer/Cargo.lock
new file mode 100644
index 0000000..1c7562c
--- /dev/null
+++ b/squeezer/Cargo.lock
@@ -0,0 +1,312 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "anstream"
+version = "0.6.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8acc5369981196006228e28809f761875c0327210a891e941f4c683b3a99529b"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b2d16507662817a6a20a9ea92df6652ee4f94f914589377d69f3b21bc5798a9"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79947af37f4177cfead1110013d678905c37501914fba0efea834c3fe9a8d60c"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca3534e77181a9cc07539ad51f2141fe32f6c3ffd4df76db8ad92346b003ae4e"
+dependencies = [
+ "anstyle",
+ "once_cell",
+ "windows-sys",
+]
+
+[[package]]
+name = "clap"
+version = "4.5.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92b7b18d71fad5313a1e320fa9897994228ce274b60faa4d694fe0ea89cd9e6d"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.5.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a35db2071778a7344791a4fb4f95308b5673d219dee3ae348b86642574ecc90c"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.5.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf4ced95c6f4a675af3da73304b9ac4ed991640c36374e4b46795c49e17cf1ed"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
+
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
+[[package]]
+name = "is_terminal_polyfill"
+version = "1.70.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
+
+[[package]]
+name = "itoa"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
+
+[[package]]
+name = "kamadak-exif"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1130d80c7374efad55a117d715a3af9368f0fa7a2c54573afc15a188cd984837"
+dependencies = [
+ "mutate_once",
+]
+
+[[package]]
+name = "memchr"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+
+[[package]]
+name = "mutate_once"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16cf681a23b4d0a43fc35024c176437f9dcd818db34e0f42ab456a0ee5ad497b"
+
+[[package]]
+name = "once_cell"
+version = "1.20.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "945462a4b81e43c4e3ba96bd7b49d834c6f61198356aa858733bc4acf3cbe62e"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60946a68e5f9d28b0dc1c21bb8a97ee7d018a8b322fa57838ba31cc878e22d99"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e4dccaaaf89514f546c693ddc140f729f958c247918a13380cccc6078391acc"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "ryu"
+version = "1.0.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ea1a2d0a644769cc99faa24c3ad26b379b786fe7c36fd3c546254801650e6dd"
+
+[[package]]
+name = "serde"
+version = "1.0.217"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02fc4265df13d6fa1d00ecff087228cc0a2b5f3c0e87e258d8b94a156e984c70"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.217"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a9bf7cf98d04a2b28aead066b7496853d4779c9cc183c440dbac457641e19a0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.138"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d434192e7da787e94a6ea7e9670b26a036d0ca41e0b7efb2676dd32bae872949"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "squeezer"
+version = "0.1.0"
+dependencies = [
+ "clap",
+ "kamadak-exif",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "strsim"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
+
+[[package]]
+name = "syn"
+version = "2.0.98"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36147f1a48ae0ec2b5b3bc5b537d267457555a10dc06f3dbc8cb11ba3006d3b1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a210d160f08b701c8721ba1c726c11662f877ea6b7094007e1ca9a1041945034"
+
+[[package]]
+name = "utf8parse"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
+
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
diff --git a/squeezer/Cargo.toml b/squeezer/Cargo.toml
new file mode 100644
index 0000000..b39f574
--- /dev/null
+++ b/squeezer/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "squeezer"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+clap = { version = "4.5", features = ["derive"] }
+kamadak-exif = "0.6"
+serde = "1.0"
+serde_json = "1.0"
+
+[profile.release]
+strip = true
+lto = true
diff --git a/squeezer/src/main.rs b/squeezer/src/main.rs
new file mode 100644
index 0000000..92ae063
--- /dev/null
+++ b/squeezer/src/main.rs
@@ -0,0 +1,62 @@
+use clap::Parser;
+use serde_json::{Map, Value};
+use std::path::PathBuf;
+
+fn map_to_value(tag: exif::Tag, value: exif::Value) -> Value {
+    if let Some(n) = value.get_uint(0) {
+        return Value::Number(n.into());
+    }
+    if let exif::Value::Rational(rs) = value {
+        return serde_json::json!({
+            "num": Value::Number(rs[0].num.into()),
+            "denom": Value::Number(rs[0].denom.into()),
+        });
+    }
+    Value::String(value.display_as(tag).to_string())
+}
+
+fn extract_exif_data(image_path: &PathBuf) -> Value {
+    let image_file = std::fs::File::open(image_path).unwrap();
+    let mut reader = std::io::BufReader::new(image_file);
+    let exifreader = exif::Reader::new();
+    let exif = exifreader.read_from_container(&mut reader).unwrap();
+
+    let mut exif_data = Map::new();
+    for f in exif.fields() {
+        let t = format!("{}", f.tag);
+        exif_data.insert(t, map_to_value(f.tag, f.value.clone()));
+    }
+    Value::Object(exif_data)
+}
+
+#[derive(Debug)]
+#[derive(Parser)]
+struct Cli {
+    image_path: PathBuf,
+    #[arg(long)]
+    root: PathBuf,
+    #[arg(long)]
+    dist_path: PathBuf,
+    #[arg(long)]
+    key: String,
+    #[arg(long)]
+    thumbnail: PathBuf,
+}
+
+fn main() {
+    let cli = Cli::parse();
+
+    let exif_data = extract_exif_data(&cli.image_path);
+
+    let metadata = serde_json::json!({
+        "exif": exif_data,
+        "path": {
+            "name": cli.image_path.file_name().unwrap().to_str(),
+            "relativeToRoot": cli.image_path.strip_prefix(&cli.root).unwrap(),
+            "distRelativeToRoot": cli.dist_path.strip_prefix(&cli.root).unwrap(),
+            "thumbnailRelativeToRoot": cli.thumbnail.strip_prefix(&cli.root).unwrap(),
+        },
+        "key": cli.key,
+    });
+    println!("{}", metadata);
+}