diff --git a/package.json b/package.json
index e153ab1..966ffc7 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "build": "vite build",
     "preview": "vite preview",
     "check": "svelte-check --tsconfig ./tsconfig.json",
-    "deploy": "cd _scripts && deploy.sh"
+    "deploy": "yarn && cd _scripts && deploy.sh"
   },
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "^2.0.3",
@@ -20,6 +20,6 @@
     "vite": "^4.3.2"
   },
   "dependencies": {
-    "pb-parser": "git+https://git.sofiaritz.com/sofia/pb-parser"
+    "gfonts-js-library": "git+https://git.sofiaritz.com/GFonts/gfonts-js-library"
   }
 }
diff --git a/src/lib/css/app.css b/src/css/app.css
similarity index 100%
rename from src/lib/css/app.css
rename to src/css/app.css
diff --git a/src/lib/css/fonts.css b/src/css/fonts.css
similarity index 100%
rename from src/lib/css/fonts.css
rename to src/css/fonts.css
diff --git a/src/lib/css2.ts b/src/lib/css2.ts
deleted file mode 100644
index fd7b6c1..0000000
--- a/src/lib/css2.ts
+++ /dev/null
@@ -1,64 +0,0 @@
-export type Variant = { weight: number, style: string }
-
-export interface Family {
-    font: string,
-    variants: Variant[],
-}
-
-/**
- * @param input The input should look like this: `Fira+Sans:ital,wght@1,200;1,500`
- */
-export function parse_family(input: string): Family {
-    let [rfont, rvariants] = input.split(":")
-
-    let font = rfont.replaceAll("+", "").toLowerCase()
-    let variants: Variant[] = []
-    if(rvariants != null && rvariants.length > 0) {
-        let rfragments = rvariants.split("@").filter(v => v.length > 0)
-        let fragments
-        let with_weight = rfragments[0].includes("wght")
-        let with_ital = rfragments[0].includes("ital")
-        if (with_ital || with_weight) {
-            fragments = rfragments[1]
-        } else {
-            fragments = rfragments[0]
-        }
-
-        let rsubvariants = fragments.split(";")
-        for (let rvariant of rsubvariants) {
-            if (with_weight) {
-                if (rvariant.includes(",")) {
-                    let variant = rvariant.split(",")
-                    variants.push({
-                        weight: Number(variant[1]),
-                        style: Number(variant[0]) === 1 ? "italic" : "normal",
-                    })
-                } else {
-                    variants.push({
-                        weight: Number(rvariant),
-                        style: "normal",
-                    })
-                }
-            } else if(with_ital) {
-                let italvariants = rvariant.split(",")
-                for (let variant of italvariants) {
-                    variants.push({
-                        weight: 400,
-                        style: Number(variant) === 1 ? "italic" : "normal"
-                    })
-                }
-            }
-        }
-    } else {
-        // TODO(sofia@git.sofiaritz.com): Is this the default value?
-        variants.push({
-            weight: 400,
-            style: "normal",
-        })
-    }
-
-    return {
-        font,
-        variants,
-    }
-}
diff --git a/src/lib/utils.ts b/src/lib/utils.ts
index 3f351c0..2cef25a 100644
--- a/src/lib/utils.ts
+++ b/src/lib/utils.ts
@@ -1,5 +1,5 @@
-import {parse} from "pb-parser";
-import {parse_family, type Variant} from "./css2";
+import {parse_spec, type Variant} from "gfonts-js-library/src/css2";
+import {retrieve_font_metadata} from "gfonts-js-library/src/metadata"
 
 interface MirrorVariant {
     path: string,
@@ -27,50 +27,6 @@ function to_array(v) {
         return [v]
     }
 }
-
-function font_base_url(font, folder, mirror) {
-    return `${mirror}/${folder}/${font}`
-}
-async function get_font_metadata(font, mirror) {
-    let base_url
-    let response
-    // TODO(sofia@git.sofiaritz.com): Improve this re-trying logic. This feels wrong 😭
-    try {
-        base_url = font_base_url(font, "ofl", mirror)
-        let rresponse = await (await fetch(base_url + "/METADATA.pb"))
-        if (rresponse.ok) {
-            response = await rresponse.text()
-        } else {
-            throw new Error("Font not found.")
-        }
-    } catch (e) {
-        try {
-            base_url = font_base_url(font, "ufl", mirror)
-            let rresponse = await (await fetch(base_url + "/METADATA.pb"))
-            if (rresponse.ok) {
-                response = await rresponse.text()
-            } else {
-                throw new Error("Font not found.")
-            }
-        } catch (e) {
-            try {
-                base_url = font_base_url(font, "apache", mirror)
-                let rresponse = await (await fetch(base_url + "/METADATA.pb"))
-                if (rresponse.ok) {
-                    response = await rresponse.text()
-                } else {
-                    throw new Error("Font not found.")
-                }
-            } catch (e) {
-                console.error("Font not found.")
-                throw new Error(`"${font}" not found in mirror "${mirror}".`)
-            }
-        }
-    }
-
-    return {base_url, parsed: parse(response)}
-}
-
 export async function css2_to_cssfile(css2_url, mirror): Promise<string> {
     let url = css2_url
         .replace("https://fonts.googleapis.com/css2", "")
@@ -81,9 +37,9 @@ export async function css2_to_cssfile(css2_url, mirror): Promise<string> {
     rfamilies.shift()
     let mirror_meta = await Promise.all(rfamilies
         .map(v => v.replace("?family=", ""))
-        .map(parse_family)
+        .map(parse_spec)
         .map(async (v) => {
-            let {base_url, parsed: metadata} = await get_font_metadata(v.font, mirror)
+            let {url, metadata} = await retrieve_font_metadata(v.font, mirror)
             let fonts = []
             for (let variant of v.variants) {
                 let { weight, style }: Variant = variant
@@ -94,7 +50,7 @@ export async function css2_to_cssfile(css2_url, mirror): Promise<string> {
                         if (style === "italic") {
                             fonts.push({
                                 name: metadata.name,
-                                path: base_url + "/" + font.filename,
+                                path: url + "/" + font.filename,
                                 weight,
                                 style,
                             })
@@ -106,7 +62,7 @@ export async function css2_to_cssfile(css2_url, mirror): Promise<string> {
                 if (matched === false) {
                     fonts.push({
                         name: metadata.name,
-                        path: base_url + "/" + rfonts[0].filename,
+                        path: url + "/" + rfonts[0].filename,
                         weight,
                         style,
                     })
diff --git a/src/main.ts b/src/main.ts
index e98c083..66ae76b 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,5 +1,5 @@
-import "./lib/css/fonts.css"
-import "./lib/css/app.css"
+import "./css/fonts.css"
+import "./css/app.css"
 import App from "./App.svelte"
 
 const app = new App({