diff --git a/actions/general/README.md b/actions/general/README.md
index e62eb72..9bb4e0f 100644
--- a/actions/general/README.md
+++ b/actions/general/README.md
@@ -16,10 +16,22 @@ See [actions/upload](../upload/README.md) for an example.
 
 **Required**, Please refer to [yutu prerequisites](https://github.com/eat-pray-ai/yutu?tab=readme-ov-file#prerequisites) to get a credential.
 
+Note: The credential should be base64 encoded as input, for example:
+
+```shell
+base64 -w 0 client_secret.json
+```
+
 ### `token`
 
 **Required**, Please refer to [yutu prerequisites](https://github.com/eat-pray-ai/yutu?tab=readme-ov-file#prerequisites) to generate a token.
 
+Note: The token should be base64 encoded as input, for example:
+
+```shell
+base64 -w 0 youtube.token.json
+```
+
 ### `command`
 
 **Optional**, The command to run, for all available commands:
diff --git a/actions/general/action.yml b/actions/general/action.yml
index 1786c9c..2b49119 100644
--- a/actions/general/action.yml
+++ b/actions/general/action.yml
@@ -7,10 +7,10 @@ inputs:
     required: false
     default: ''
   credential:
-    description: 'Credential to authenticate with the YouTube API'
+    description: 'Base64 encoded credential to authenticate with the YouTube API'
     required: true
   token:
-    description: 'Token to authenticate with the YouTube API'
+    description: 'Base64 encoded token to authenticate with the YouTube API'
     required: true
   command:
     description: 'Command to run, such as `video`, `channel` or `playlist`'
@@ -37,6 +37,6 @@ runs:
     - shell: bash
       run: |
         chmod +x yutu-linux-amd64
-        echo ${{ inputs.credential }} > ./client_secret.json
-        echo ${{ inputs.token }} > ./youtube.token.json
+        echo ${{ inputs.credential }} | base64 --decode > ./client_secret.json
+        echo ${{ inputs.token }} | base64 --decode > ./youtube.token.json
         ./yutu-linux-amd64 ${{ inputs.command }} ${{ inputs.subcommand }} ${{ inputs.flags }}
diff --git a/actions/upload/README.md b/actions/upload/README.md
index 2d2234f..f6c476c 100644
--- a/actions/upload/README.md
+++ b/actions/upload/README.md
@@ -33,10 +33,22 @@ jobs:
 
 **Required**, Please refer to [yutu prerequisites](https://github.com/eat-pray-ai/yutu?tab=readme-ov-file#prerequisites) to get a credential.
 
+Note: The credential should be base64 encoded as input, for example:
+
+```shell
+base64 -w 0 client_secret.json
+```
+
 ### `token`
 
 **Required**, Please refer to [yutu prerequisites](https://github.com/eat-pray-ai/yutu?tab=readme-ov-file#prerequisites) to generate a token.
 
+Note: The token should be base64 encoded as input, for example:
+
+```shell
+base64 -w 0 youtube.token.json
+```
+
 ### `flags`
 
 **Required**, Flags passed to yutu, for all available flags when uploading a video:
diff --git a/actions/upload/action.yml b/actions/upload/action.yml
index 064f9ef..2a80268 100644
--- a/actions/upload/action.yml
+++ b/actions/upload/action.yml
@@ -7,10 +7,10 @@ inputs:
     required: false
     default: ''
   credential:
-    description: 'Credential to authenticate with the YouTube API'
+    description: 'Base64 encoded credential to authenticate with the YouTube API'
     required: true
   token:
-    description: 'Token to authenticate with the YouTube API'
+    description: 'Base64 encoded token to authenticate with the YouTube API'
     required: true
   flags:
     description: 'Flags passed to the command/subcommand'