Privacy Policy

ID and Password

  • We don't store your Dropbox and Google Drive password. (We don't have access to this information.)
  • We store your OAuth token for Dropbox and Google Drive in our server.
  • We store a cookie in your browser to maintain your Writebox session.
  • We store your e-mail address for Dropbox and Google Drive in our server. This is for you to identify what account you use on Writebox.

Collection and Use of Google User Data

  • Our application collects the email address associated with your Google user data for the sole purpose of identifying which account you are using to log in. This information allows us to verify your identity and provide you with a secure login experience.
  • We do not use your email address for any other purposes, and we do not share this information with third parties.

Data Protection Mechanisms

We are committed to protecting the security of your personal data. We implement the following measures to ensure your data is secure:

  • Encryption: All data transmitted between our app and our servers is encrypted using HTTPS to prevent unauthorized access during transmission.
  • Access Controls: Only authorized personnel with a legitimate need to access your data can do so. Access to user data is restricted and monitored to ensure it is only used appropriately.
  • Data Storage: Your user data are stored in secure environments that are protected against unauthorized access, disclosure, or misuse.

Data Retention and Deletion

We retain your user data only for as long as necessary to fulfill the purposes outlined in this policy. Our data retention policy includes the following key points:

  • Retention Period: Your user data is retained for as long as your account is active or as needed to provide you with our services.
  • Data Deletion Upon Logout: When you log out of the application, your user data is immediately and permanently deleted from our systems. This ensures that no personal data is retained beyond your active session.
  • User Control: You have the right to delete your user data at any time. If you need assistance with deleting your data, please contact the developer (shibuyak25@gmail.com).

File Contents

  • Writebox accesses your file contents, file name and folder tree through Dropbox/Google API.
  • We don't store your file contents in our server, we save it in your local cache.
  • We don't read your file contents, we just convert the file encoding to show characters correctly.
  • We store the filepath of the file you last opened in Writebox in our server. This is for syncing the last edited file across devices.


  • We collect analytics data through Google Analytics when you use Writebox. This is used only for service improvement.
  • We don't track individual users.