diff --git a/package.json b/package.json
index d9a587c2..ed2a3c79 100644
--- a/package.json
+++ b/package.json
@@ -65,6 +65,9 @@
         "generate-sponsorblock-config": "node tools/generate-sponsorblock-config.js",
         "update-rale-component": "cd tools/RALE && rm TrackerTask.xml && curl -o TrackerTask.zip https://devtools.web.roku.com/roku-advanced-layout-editor/app/TrackerTask.zip && unzip TrackerTask.zip && rm TrackerTask.zip",
         "postinstall": "cd playlet-lib && npm install && cd ../playlet-app && npm install && cd ../playlet-web && npm install",
-        "update-deps": "npx npm-check-updates -u && cd playlet-app && npx npm-check-updates -u && cd ../playlet-lib && npx npm-check-updates -u && cd ../playlet-web && npx npm-check-updates -u"
+        "update-deps": "npx npm-check-updates -u && cd playlet-app && npx npm-check-updates -u && cd ../playlet-lib && npx npm-check-updates -u && cd ../playlet-web && npx npm-check-updates -u",
+        "registry:write": "node tools/registry.js --input registry.json",
+        "registry:read": "node tools/registry.js --output registry.json",
+        "registry:clear": "node tools/registry.js --clear"
     }
 }
diff --git a/playlet-lib/src/components/Web/PlayletWebServer/Middleware/RegistryRouter.bs b/playlet-lib/src/components/Web/PlayletWebServer/Middleware/RegistryRouter.bs
new file mode 100644
index 00000000..4d61473a
--- /dev/null
+++ b/playlet-lib/src/components/Web/PlayletWebServer/Middleware/RegistryRouter.bs
@@ -0,0 +1,49 @@
+#if DEBUG
+    import "pkg:/source/utils/RegistryUtils.bs"
+
+    namespace Http
+
+        class RegistryRouter extends HttpRouter
+
+            function new()
+                super()
+            end function
+
+            @get("/debug/registry")
+            function GetRegistry(context as object) as boolean
+                response = context.response
+
+                registryValues = RegistryUtils.ReadAll()
+                response.Json(registryValues)
+                return true
+            end function
+
+            @post("/debug/registry")
+            function SetRegistry(context as object) as boolean
+                request = context.request
+                response = context.response
+
+                payload = request.Json()
+                if payload = invalid
+                    response.Default(400, "Invalid JSON")
+                    return true
+                end if
+
+                RegistryUtils.WriteAll(payload)
+                response.Default(204, "OK")
+                return true
+            end function
+
+            @delete("/debug/registry")
+            function ClearRegistry(context as object) as boolean
+                response = context.response
+
+                RegistryUtils.DeleteAll()
+                response.Default(204, "OK")
+                return true
+            end function
+
+        end class
+
+    end namespace
+#end if
diff --git a/playlet-lib/src/components/Web/PlayletWebServer/PlayletWebServer.bs b/playlet-lib/src/components/Web/PlayletWebServer/PlayletWebServer.bs
index 2ae61752..3699b2ef 100644
--- a/playlet-lib/src/components/Web/PlayletWebServer/PlayletWebServer.bs
+++ b/playlet-lib/src/components/Web/PlayletWebServer/PlayletWebServer.bs
@@ -7,6 +7,7 @@ import "pkg:/components/Web/PlayletWebServer/Middleware/InvidiousRouter.bs"
 import "pkg:/components/Web/PlayletWebServer/Middleware/PlayletLibUrlsRouter.bs"
 import "pkg:/components/Web/PlayletWebServer/Middleware/PlayQueueRouter.bs"
 import "pkg:/components/Web/PlayletWebServer/Middleware/PreferencesRouter.bs"
+import "pkg:/components/Web/PlayletWebServer/Middleware/RegistryRouter.bs"
 import "pkg:/components/Web/PlayletWebServer/Middleware/SearchHistoryRouter.bs"
 import "pkg:/components/Web/PlayletWebServer/Middleware/StateApiRouter.bs"
 import "pkg:/components/Web/PlayletWebServer/Middleware/ViewRouter.bs"
@@ -51,6 +52,8 @@ function SetupRoutes(server as object)
     server.UseRouter(new Http.HttpStaticFilesRouter("/config", "libpkg:/config", etags, { staticFiles: true }))
     server.UseRouter(new Http.HttpStaticFilesRouter("/logs", "cachefs:/logs", etags, { fsCheck: true }))
     #if DEBUG
+        server.UseRouter(new Http.RegistryRouter())
+
         options = { showDirectories: true, showHidden: true, staticFiles: true }
         server.UseRouter(new Http.HttpStaticFilesRouter("/debug/libpkg", "libpkg:/", etags, options))
         options = { showDirectories: true, showHidden: true, fsCheck: true, staticFiles: true }
diff --git a/playlet-lib/src/source/utils/RegistryUtils.bs b/playlet-lib/src/source/utils/RegistryUtils.bs
index 126aae75..e70d34cc 100644
--- a/playlet-lib/src/source/utils/RegistryUtils.bs
+++ b/playlet-lib/src/source/utils/RegistryUtils.bs
@@ -13,24 +13,24 @@ namespace RegistryUtils
     ' "invidious_instances" is deprecated, but we keep for migration purposes
     const INVIDIOUS_INSTANCES = "invidious_instances"
 
-    function Read(key as string, section = DEFAULT_SECTION as string) as dynamic
-        sec = CreateObject("roRegistrySection", section)
-        if sec.Exists(key)
-            return sec.Read(key)
+    function Read(key as string, sectionName = DEFAULT_SECTION as string) as dynamic
+        section = CreateObject("roRegistrySection", sectionName)
+        if section.Exists(key)
+            return section.Read(key)
         end if
         return invalid
     end function
 
-    function Write(key as string, value as string, section = DEFAULT_SECTION as string)
-        sec = CreateObject("roRegistrySection", section)
-        sec.Write(key, value)
-        sec.Flush()
+    function Write(key as string, value as string, sectionName = DEFAULT_SECTION as string)
+        section = CreateObject("roRegistrySection", sectionName)
+        section.Write(key, value)
+        section.Flush()
     end function
 
-    function Delete(key as string, section = DEFAULT_SECTION as string)
-        sec = CreateObject("roRegistrySection", section)
-        sec.Delete(key)
-        sec.Flush()
+    function Delete(key as string, sectionName = DEFAULT_SECTION as string)
+        section = CreateObject("roRegistrySection", sectionName)
+        section.Delete(key)
+        section.Flush()
     end function
 
     function ReadAll() as object
@@ -46,4 +46,22 @@ namespace RegistryUtils
         return result
     end function
 
+    function WriteAll(values as object) as void
+        DeleteAll()
+        for each sectionName in values
+            section = CreateObject("roRegistrySection", sectionName)
+            section.WriteMulti(values[sectionName])
+            section.Flush()
+        end for
+    end function
+
+    function DeleteAll() as void
+        registry = CreateObject("roRegistry")
+        sectionNames = registry.GetSectionList()
+        for each sectionName in sectionNames
+            registry.Delete(sectionName)
+        end for
+        registry.Flush()
+    end function
+
 end namespace
diff --git a/tools/registry.js b/tools/registry.js
new file mode 100644
index 00000000..958d6abf
--- /dev/null
+++ b/tools/registry.js
@@ -0,0 +1,75 @@
+// Description: Read, write and delete registry.
+
+const fs = require('fs');
+const { ArgumentParser, BooleanOptionalAction } = require('argparse');
+const getEnvVars = require('./get-env-vars');
+
+(async () => {
+    const parser = new ArgumentParser({
+        description: 'Manage registry'
+    });
+
+    parser.add_argument('--input', { help: 'Input file path, for importing to Roku device' });
+    parser.add_argument('--output', { help: 'Output file path, for exporting from Roku device' });
+    parser.add_argument('--clear', { help: 'Clear registry', action: BooleanOptionalAction, default: false });
+
+    const args = parser.parse_args();
+    const input = args.input;
+    const output = args.output;
+    const clear = args.clear;
+
+    // only one action can be specified at a time between input, output and clear
+    const actions = [input, output, clear].filter(Boolean);
+    if (actions.length !== 1) {
+        console.error('Only one (and exactly one) action can be specified at a time between --input, --output and --clear');
+        process.exit(1);
+    }
+
+    const config = getEnvVars(['ROKU_DEV_TARGET']);
+
+    const playletServer = `http://${config.ROKU_DEV_TARGET}:8888/debug/registry`;
+
+    if (input) {
+        const registry = JSON.parse(fs.readFileSync(input, { encoding: 'utf8', flag: 'r' }));
+
+        for (const section in registry) {
+            for (const key in registry[section]) {
+                registry[section][key] = JSON.stringify(registry[section][key]);
+            }
+        }
+
+        await fetch(playletServer, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify(registry),
+        });
+    }
+    else if (output) {
+        if (fs.existsSync(output)) {
+            throw new Error(`File "${output}" already exists`);
+        }
+        const response = await fetch(playletServer);
+        const registry = await response.json();
+
+        for (const section in registry) {
+            for (const key in registry[section]) {
+                // We expect all values to be JSON strings.
+                // If this changes, we let JSON.parse throw an error.
+                registry[section][key] = JSON.parse(registry[section][key]);
+            }
+        }
+
+        fs.writeFileSync(output, JSON.stringify(registry, null, 4));
+    }
+    else if (clear) {
+        await fetch(playletServer, {
+            method: 'DELETE',
+        });
+    }
+    else {
+        console.error('No action specified');
+        process.exit(1);
+    }
+})();
diff --git a/tools/run-test-app.js b/tools/run-test-app.js
index e96a6938..1072ad4a 100644
--- a/tools/run-test-app.js
+++ b/tools/run-test-app.js
@@ -1,8 +1,7 @@
 // Description: Deploys a test app to a Roku device and waits for it to finish
 // This will log the test report to the console and throw an error if the tests fail
 
-const { ArgumentParser } = require('argparse')
-const { BooleanOptionalAction } = require('argparse');
+const { ArgumentParser, BooleanOptionalAction } = require('argparse')
 const getEnvVars = require('./get-env-vars');
 const rokuDeploy = require('roku-deploy');
 const path = require('path');