diff --git a/.github/workflows_json/release.json b/.github/workflows/release.json
similarity index 100%
rename from .github/workflows_json/release.json
rename to .github/workflows/release.json
diff --git a/.github/workflows_json/test.json b/.github/workflows/test.json
similarity index 96%
rename from .github/workflows_json/test.json
rename to .github/workflows/test.json
index d8fb271..bb23b94 100644
--- a/.github/workflows_json/test.json
+++ b/.github/workflows/test.json
@@ -2,8 +2,8 @@
     "name": "test",
     "on": {
         "push": {
-            "branches": [
-                "dev"
+            "branches-ignore": [
+                "master"
             ],
             "paths-ignore": [
                 ".git*",
@@ -13,8 +13,7 @@
         },
         "pull_request": {
             "branches": [
-                "master",
-                "dev"
+                "master"
             ],
             "paths-ignore": [
                 ".git*",
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index a7dd708..de841c1 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -1,8 +1,8 @@
 name: test
 on:
     push:
-        branches:
-            - dev
+        branches-ignore:
+            - master
         paths-ignore:
             - .git*
             - '**.md'
@@ -10,7 +10,6 @@ on:
     pull_request:
         branches:
             - master
-            - dev
         paths-ignore:
             - .git*
             - '**.md'
diff --git a/.github/workflows/to_yaml.sh b/.github/workflows/to_yaml.sh
new file mode 100644
index 0000000..cea5c29
--- /dev/null
+++ b/.github/workflows/to_yaml.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+set -eu
+
+cd ${0%/*}
+
+for _v in $(find ./ -maxdepth 1 -type f -name '*.json'); do
+    yq -I 4 -o y ${_v} | head -c -1 > ${_v%.*}.yaml
+done; unset _v
\ No newline at end of file
diff --git a/.github/workflows_json/to_yaml.sh b/.github/workflows_json/to_yaml.sh
deleted file mode 100644
index 4878624..0000000
--- a/.github/workflows_json/to_yaml.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-set -eu
-
-cd ${0%/*}
-
-yq -o y -I 4 ./${1}.json | head -c -1 > ../workflows/${1}.yaml
\ No newline at end of file
diff --git a/README.md b/README.md
index 1e5c3e5..91097f7 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # **Arduino Base64**
 ![actions:test](https://github.com/dojyorin/arduino_base64/actions/workflows/test.yaml/badge.svg)
 ![actions:release](https://github.com/dojyorin/arduino_base64/actions/workflows/release.yaml/badge.svg)
+![shields:license](https://img.shields.io/github/license/dojyorin/arduino_base64)
+![shields:release](https://img.shields.io/github/release/dojyorin/arduino_base64)
 
 Convert between binary and base64 encoded string.
 Easily convert sensor raw values, structures, etc...