diff --git a/.editorconfig b/.editorconfig
index ee20bec..7059661 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -2,26 +2,17 @@ root = true
 
 [*]
 charset = utf-8
+indent_size = 4
 indent_style = space
-indent_size = 2
 insert_final_newline = true
 trim_trailing_whitespace = true
 
-[*.json]
-indent_style = tab
-indent_size = 4
-
 [*.md]
-indent_size = 4
+indent_size = unset
 trim_trailing_whitespace = false
 
-[*.py]
-indent_size = 4
-
-[*.sublime-*]
-indent_style = tab
-indent_size = 4
+[*.{html,svg,toml,xhtml,yaml,yml}]
+indent_size = 2
 
-[*.tmPreferences]
+[*.{json,sublime-,tmPreferences}*]
 indent_style = tab
-indent_size = 4
diff --git a/.gitattributes b/.gitattributes
index 22a1d19..7f37c44 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -12,5 +12,8 @@
 /.flake8               export-ignore
 /.gitattributes        export-ignore
 /.gitignore            export-ignore
+/biome.json            export-ignore
 /pyproject.toml        export-ignore
 /requirements-dev.txt  export-ignore
+/svglint.config.mjs    export-ignore
+/svgo.config.mjs       export-ignore
diff --git a/biome.json b/biome.json
new file mode 100644
index 0000000..4c28def
--- /dev/null
+++ b/biome.json
@@ -0,0 +1,21 @@
+{
+	"$schema": "https://biomejs.dev/schemas/1.7.0/schema.json",
+	"linter": {
+		"enabled": true,
+		"rules": {
+			"recommended": true,
+			"complexity": { "useLiteralKeys": "off" }
+		}
+	},
+	"formatter": {
+		"enabled": false
+	},
+	"organizeImports": {
+		"enabled": false
+	},
+	"vcs": {
+		"enabled": true,
+		"clientKind": "git",
+		"useIgnoreFile": true
+	}
+}
diff --git a/svglint.config.mjs b/svglint.config.mjs
new file mode 100644
index 0000000..7570880
--- /dev/null
+++ b/svglint.config.mjs
@@ -0,0 +1,71 @@
+const NEWLINE_INDENT_REGEX = /(?:\n(?:\s*))+/g;
+
+function t(strings, ...values) {
+    if (typeof strings === 'function') {
+        return (...args) => t(['', ''], strings(...args));
+    }
+    if (!Array.isArray(strings)) {
+        return t([strings]);
+    }
+    return strings
+        .reduce((result, string, index) => result + values[index - 1] + string)
+        .replace(NEWLINE_INDENT_REGEX, ' ')
+        .trim();
+}
+
+const SVG_PATH_REGEX = /^m[-mzlhvcsqtae\d,. ]+$/i;
+
+export default {
+    rules: {
+        elm: {
+            'svg': 1,
+            'svg > path': 1,
+            '*': false,
+        },
+        attr: [
+            {
+                'fill' :'#000',
+                'fill-rule': 'evenodd',
+                'viewBox': '0 0 16 16',
+                'xmlns': 'http://www.w3.org/2000/svg',
+                'rule::selector': 'svg',
+                'rule::whitelist': true,
+                'rule::order': ['xmlns', 'fill', 'fill-rule', 'viewBox'],
+            },
+            {
+                'd': SVG_PATH_REGEX,
+                'rule::selector': 'svg > path',
+                'rule::whitelist': true,
+                'rule::order': true,
+            },
+        ],
+        valid: true,
+        custom: [
+            (reporter, $, ast, { filename }) => {
+                reporter.name = 'no-self-closing-path';
+
+                // Don't allow explicit '</path>' closing tag
+                if (!ast.source.includes('</path>')) {
+                    return;
+                }
+
+                const index = ast.source.indexOf('</path>');
+                const message = 'Invalid SVG content format';
+                const reason = t`
+                    found a closing "path" tag at index ${index}.
+                    The path should be self-closing,
+                    use "/>" instead of "></path>"
+                `;
+                reporter.error(`${message}: ${reason}`);
+            },
+        ]
+    },
+    ignore: [
+        // TODO: go through these and simplify/remove fill paths;
+        // I've barely skimmed all svgs so there are probably more
+        'icons/svg/file_type_fsharp.svg',
+        'icons/svg/file_type_nix.svg',
+        'icons/svg/file_type_python.svg',
+        'icons/svg/file_type_sublime.svg',
+    ],
+};
diff --git a/svgo.config.mjs b/svgo.config.mjs
new file mode 100644
index 0000000..a04b1d1
--- /dev/null
+++ b/svgo.config.mjs
@@ -0,0 +1,88 @@
+export default {
+    multipass: true,
+    js2svg: {
+        indent: 2,
+        pretty: true,
+    },
+    plugins: [
+        'removeDoctype',
+        'removeXMLProcInst',
+        'removeComments',
+        'removeMetadata',
+        'removeEditorsNSData',
+        'cleanupAttrs',
+        'cleanupIds',
+        'cleanupNumericValues',
+        'removeUselessDefs',
+        'convertColors',
+        'removeUnknownsAndDefaults',
+        'removeNonInheritableGroupAttrs',
+        {
+            name: 'removeUselessStrokeAndFill',
+            params: {
+                removeNone: true,
+            },
+        },
+        'removeDimensions',
+        'cleanupEnableBackground',
+        'removeHiddenElems',
+        'removeEmptyText',
+        'cleanupListOfValues',
+        {
+            name: 'convertShapeToPath',
+            params: {
+                convertArcs: true,
+            },
+        },
+        'convertEllipseToCircle',
+        'moveElemsAttrsToGroup',
+        'moveGroupAttrsToElems',
+        'collapseGroups',
+        {
+            name: 'convertPathData',
+            params: {
+                floatPrecision: 3,
+                noSpaceAfterFlags: false,
+            },
+        },
+        'convertTransform',
+        'removeEmptyAttrs',
+        'removeEmptyContainers',
+        'removeUnusedNS',
+        {
+            name: 'mergePaths',
+            params: {
+                force: true,
+                noSpaceAfterFlags: true,
+            },
+        },
+        {
+            name: 'addAttributesToSVGElement',
+            params: {
+                attributes: [{
+                    'fill' :'#000',
+                    'fill-rule': 'evenodd',
+                    'viewBox': '0 0 16 16',
+                    'xmlns': 'http://www.w3.org/2000/svg',
+                }],
+            },
+        },
+        {
+            name: 'removeAttrs',
+            params: {
+                attrs: [
+                    'svg:.*(?<!((xmlns)|(fill)|(fill-rule)|(viewBox)))',
+                    'path:(?!d)',
+                ],
+            },
+        },
+        'sortAttrs',
+        'sortDefsChildren',
+        'removeOffCanvasPaths',
+        'removeRasterImages',
+        'removeStyleElement',
+        'removeScriptElement',
+        'removeTitle',
+        'removeDesc',
+    ],
+};