Privacy Policy

IN SHORT

XCelsior AI: GPT for Sheets™ with ChatGPT, Gemini (XCelsior or XCelsior.ai) does not store your data (inputs, clicks, or drive files). It stays on Google’s servers. Granting us access to your data does not allow us to access it offline. This access is only used for displaying your information on the app and for taking actions on your behalf. All actions performed come from you.

The only information we store from your Google account is your name, last name, profile picture, and email.

We do not share your data with any third party for commercial purposes.

The app’s use and transfer of information received from Google APIs adheres to the Google API Services User Data Policy, including the Limited Use requirements.

At XCelsior.ai, we recognize that privacy is important. This Policy applies to all of the products, services, and websites offered by Fastest.ai Inc. In addition, where more detailed information is needed to explain our privacy practices, we post separate privacy notices to describe how particular services process personal information, which are accessible from the here.

The company adheres to the Swiss safe harbour privacy principles of Notice, Choice, Onward Transfer, Security, Data Integrity, Access, and Enforcement.

If you have any questions about this Policy, please feel free to contact us through our website or write to us at Privacy Matters, c/o Fastest.ai, 727 Clementi West Street 2 #01-280, Singapore 120727.

Information We Collect and How We Use It

In order to provide our full range of services, we may collect the following types of information:

Non-sensitive Scopes

  • Profile Information (via .../auth/userinfo.profile): We access your personal info, including any personal info you've made publicly available, to display your name, last name, profile picture, and email within the app.

  • auth/userinfo.email (via .../auth/userinfo.email): We see your primary Google Account email address.

XCelsior.ai only processes personal information for the purposes described in the applicable Privacy Policy and/or privacy notice for specific services. In addition to the above, such purposes include:

  • Providing our products and services to users, including the display of customized content;

  • Auditing, research, and analysis in order to maintain, protect, and improve our services;

  • Ensuring the technical functioning of our network;

  • Developing new services, such as:

    • Custom GPT

    • Custom knowledge management.

Sensitive Scopes

  • External Service Connection (via .../auth/script.external_request): Connect to an external service.This is used solely to improve application functionality.

  • Third-Party Web Content (via .../auth/script.container.ui): Display and run third-party web content in prompts and sidebars inside Google applications. This is strictly for enhancing user experience within the app.

  • Google Sheets (via .../auth/spreadsheets): We access, edit, create, and delete all your Google Sheets spreadsheets to enable advanced spreadsheet functionalities, including data manipulation and automation within your Google Sheets. This access is strictly for providing and improving application functionality.

How We Use the Data

XCelsior.ai accesses sheet content to provide valuable answers and detailed information. This is achieved by leveraging Large Language Models (LLMs) and external systems, displayed through sidebars, pop-ups, and external websites.

We use these scopes to deliver a seamless, automated, and intelligent data management experience within Google Sheets. These permissions are essential for our advanced features, ensuring productivity and efficiency while adhering to robust security standards.

Specific Uses Example:

  • Question Answering: Reads spreadsheet data to provide precise answers using the XASK function.

  • Custom Function Definition & Invocation: Allows users to define (XDEF) and call (XCALL) custom functions that manipulate spreadsheet data.

  • Table Merging: Reads and edits multiple tables to merge them seamlessly using the XMERGE_table function.

  • Other Formula Functions

Information You Provide

When you sign up for an account or other service or promotion that requires registration, we ask you for personal information (such as your name and email address). For certain services, such as our advanced features (custom GPT and custom knowledge management), we also request credit card or other payment account information, which we maintain in encrypted form on secure servers.

We may combine the information you submit under your account with information from other services or third parties to provide you with a better experience and to improve the quality of our services.

Cookies

When you visit XCelsior.ai, we send one or more cookies—a small file containing a string of characters—to your computer that uniquely identifies your browser. We use cookies to improve the quality of our service by storing user preferences and tracking user trends, such as how people search.

Log Information

When you use XCelsior.ai services, our servers automatically record information that your browser sends whenever you visit a website. These server logs may include information such as your web request, Internet Protocol address, browser type, browser language, the date and time of your request, and one or more cookies that may uniquely identify your browser.

User Communications

When you send email or other communication to XCelsior.ai, we may retain those communications in order to process your inquiries, respond to your requests, and improve our services.

Data Shared with Third Parties(only limited to LLMs) and Why

We use third-party services, specifically Large Language Models (LLMs) such as Gemini by Google and ChatGPT by OpenAI, only to process and improve our features. These third parties help us provide better responses and improve our application’s functionality only.

  • Data range: Those data shared is only limited when you called the custom formula function we provided in specific spreadsheet cells. This access is strictly for providing and improving application functionality.

  • Purpose: The data is shared strictly to provide or improve our application's functionality. We do not share data for any other purposes.

  • Transparency: The data shared with these models is always clearly visible in the context of the conversation so you can see what will be shared with the model. We implement robust security measures to protect your data during transfer to these third parties.

And these third parties are only limited to LLMs provider such as Gemini by Google and ChatGPT by OpenAI.

Enforcement

XCelsior.ai regularly reviews its compliance with this Policy. Please feel free to direct any questions or concerns regarding this Policy or XCelsior.ai's treatment of personal information by contacting us through this website or by writing to us at Privacy Matters, c/o Fastest.ai, 727 Clementi West Street 2 #01-280, Singapore 120727. When we receive formal written complaints at this address, it is XCelsior.ai's policy to contact the complaining user regarding his or her concerns. We will cooperate with the appropriate regulatory authorities, including local data protection authorities, to resolve any complaints regarding the transfer of personal data that cannot be resolved between XCelsior.ai and an individual.

Changes to This Policy

Please note that this Privacy Policy may change from time to time. We will not reduce your rights under this Policy without your explicit consent, and we expect most such changes will be minor. Regardless, we will post any Policy changes on this page and, if the changes are significant, we will provide a more prominent notice (including, for certain services, email notification of Policy changes). Each version of this Policy will be identified at the top of the page by its effective date, and we will also keep prior versions of this Privacy Policy in an archive for your review.

If you have any additional questions or concerns about this Policy, please feel free to contact us any time through this website or at Privacy Matters, c/o Fastest.ai, 727 Clementi West Street 2 #01-280, Singapore 120727.

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