diff --git a/index.js b/index.js
new file mode 100644
index 0000000..fb7dd92
--- /dev/null
+++ b/index.js
@@ -0,0 +1,13 @@
+// Usage: yarn run sync-strings ~/projects/projects/brave/ethereum-remote-client ~/projects/MetaMask/metamask-extension
+// Will write available strings from brave-dir to metmask-dir without adding/removing existing string identifiers in metmask-dir.
+
+const program = require('commander')
+const syncStrings = require('./sync-strings')
+
+program
+  .command('sync-strings')
+  .arguments('[sourceDir] [destDir]')
+  .action(syncStrings)
+
+program
+  .parse(process.argv)
diff --git a/sync-strings.js b/sync-strings.js
new file mode 100644
index 0000000..af51924
--- /dev/null
+++ b/sync-strings.js
@@ -0,0 +1,97 @@
+const path = require('path')
+const fs = require('fs')
+
+const assertDirExists = (dir) => {
+  if (!fs.existsSync(dir)) {
+    console.error('Source dir does not exist')
+    process.exit(1)
+  }
+}
+
+const getLangStringsMap = (dir) => {
+  const langStringsMap = {}
+  fs.readdirSync(dir)
+    .filter(filterLangs)
+    .forEach((lang) => {
+      const langPath = path.join(dir, lang, 'messages.json')
+      const langMap = JSON.parse(fs.readFileSync(langPath, 'utf8'))
+      langStringsMap[lang] = {}
+      Object.keys(langMap).forEach((key) => {
+        langStringsMap[lang][key] = langMap[key].message
+      })
+    })
+  return langStringsMap
+}
+
+const filterLangs = (lang) =>
+  !['index.json', 'en'].includes(lang)
+
+const syncLangStrings = (destDir, sourceLangStringsMap) => {
+  fs.readdirSync(destDir)
+    .filter(filterLangs)
+    .forEach((lang) => {
+      const langPath = path.join(destDir, lang, 'messages.json')
+      // Create a lang map which is the entire dest dir content
+      // this might get overwritten if the dest file already exists
+      let langMap = Object.keys(sourceLangStringsMap[lang]).reduce((acc, cur) => {
+        acc[cur] = {
+          message: sourceLangStringsMap[lang][cur]
+        }
+        return acc
+      }, {})
+      let newFile = true
+      if (fs.existsSync(langPath)) {
+        langMap = JSON.parse(fs.readFileSync(langPath, 'utf8'))
+        newFile = false
+      }
+      Object.keys(langMap).forEach((key) => {
+        if (sourceLangStringsMap[lang][key] || newFile) {
+          langMap[key].message =
+            formattingFixer(brandingFixer(sourceLangStringsMap[lang][key]))
+        }
+      })
+      const data = JSON.stringify(langMap, null, 2)
+      console.log('writing lang path is: ', langPath)
+      fs.writeFileSync(langPath, data + '\n', 'utf8')
+    })
+}
+
+const brandingFixer = (sourceString) =>
+  (sourceString || '')
+    .replace(/Brave Software/g, 'Google')
+    .replace(/Brave/g, 'Chrome')
+
+const formattingFixer = (sourceString) =>
+  (sourceString || '')
+    .replace(/\n$/g, '')
+
+const syncDirs = (destDir, sourceLangs) => {
+  sourceLangs.forEach((lang) => {
+    const dir = path.join(destDir, lang)
+    if (!fs.existsSync(dir)) {
+      console.log('creating new dir: ', dir)
+      fs.mkdirSync(dir)
+    }
+  })
+}
+
+const syncStrings = (sourceDir, destDir) => {
+  sourceDir = path.join(sourceDir, 'app', '_locales')
+  destDir = path.join(destDir, 'app', '_locales')
+
+  assertDirExists(sourceDir)
+  assertDirExists(destDir)
+
+  const sourceLangStringsMap = getLangStringsMap(sourceDir)
+  const sourceLangs = Object.keys(sourceLangStringsMap)
+
+  syncDirs(destDir, sourceLangs)
+  syncLangStrings(destDir, sourceLangStringsMap)
+
+  console.log(`Syncing from sourceDir: ${sourceDir} to destDir: ${destDir}`)
+
+  // Read in all strings for all languages from sourceDir
+  // Read in all strings for all languges from destDir
+}
+
+module.exports = syncStrings