Privacy Policy

Effective Date: May 19, 2019

Hello and thank you for choosing Streamlit. This Privacy Policy explains our information practices, how we collect, use, share, and protect your Personal Information, and the choices you have. The data we are talking about is either data you provided directly to us or information about usage. We cannot see and do not store any information in your Streamlit reports, other than summary statistics of which Streamlit features you use.

Capitalized words used throughout this Privacy Policy but not defined, will have meanings ascribed to those terms in the Definitions section below or our Terms of Use (the “Terms”).

1. Scope

This Privacy Policy applies to Personal Information Processed (each, as defined in definitions section below) by Streamlit, Inc. and its operating divisions, subsidiaries, and affiliates (“Streamlit”, “we” or “us”) in our business, including on our websites (each a “Site”), forums, blogs, and other online or offline offerings (collectively, the “Services”). All persons Processing Personal Information for us are expected to comply with this Privacy Policy.

2. What personal information do we collect?

This is how we collect Personal Information from our customers, users, and visitors of our Site (together, “Individuals”):

2.1 Account creation. If you create an account by registering with the Services (“Account”), we’ll collect certain Personal Information about you, such as your name and email address.

2.2 Communications with us. We may collect Personal Information from you such as email address, phone number, or mailing address when you request information about or show interest in our Services, register for our newsletter, request customer or technical support, or otherwise communicate with us. For example, when you show interest in accessing our Services, we will collect your Personal Information such as your name and email, so that we can send you a code and invite you to use the Services. When you log into the Service, we will ask you to enter the code that we had sent you via email, to verify your identity and for fraud prevention purposes.

2.3 Data collected via our services. We will collect any and all information and data files (including any Personal Information that you choose to include when using our Services), provided by you to the Services.

2.4 Security credentials data. We may collect user IDs, passwords, password hints, and similar security information required for authentication and access to our users’ accounts.

2.5 Surveys. We may contact you to participate in surveys. If you decide to participate, we may ask you for certain information which may include Personal Information.

2.6 Posting. We may offer forums, blogs, or social media pages. Any content you provide on these channels will be considered “public” and is not subject to privacy protections. So please use discretion when posting anything on such platforms.

2.7 Location Information. When you use our Services, we may collect and store information about your location by converting your IP address into a rough geo-location We may use location information to improve and personalize our Services for you.

2.8 Automatic Data Collection. We may collect certain information automatically when you use the Services. This information may include your Internet protocol (IP) address, user settings, IMEI, cookie identifiers, mobile carrier, mobile advertising and other unique identifiers, details about your browser, operating system or device, location information, Internet service provider, pages that you visit before, during and after using the Services, information about the links you click, and other information about how you use the Services. Information we collect may be associated with accounts and other devices. We also automatically collect some information regarding your use of the Services by placing cookies and other technologies on our Site. For more information on Cookies, please see Section 5.

3. How do we use your information?

We Process Personal Information about Individuals for a variety of business purposes, including:

3.1 To provide services, and other information requested including to:

3.2 For administrative purposes including to:

3.3 To market our products and services. We may use Personal Information to provide you with materials about offers, products, and Services that may be of interest to you, including:

You may contact us at any time to opt out of the use of your Personal Information for marketing purposes as described below.

3.4 De-identified and aggregated information use. We may use Personal Information and other information about you to create de-identified and aggregated information, such as de-identified demographic information, de-identified location information, information about the computer or device from which you access our Site and Services, or other analyses we create. De-identified or aggregated information is not Personal Information, and we may use such information in a number of ways, including research, internal analysis, analytics, marketing, and any other legally permissible purposes.

4. With whom do we share your information?

We may share your information as follows:

4.1 We use vendors and service providers. We may share your information with our vendors and service providers. For example, we may share your information with providers of IT, web hosting, and related services, or with our third party payment processors, and other service providers that help us with the provision of the Site and Services. However, we will share your Personal Information with such vendors and service providers only for the purpose of receiving services from them in connection with the Services.

4.2 Business partners. We may provide Personal Information to our business partners with whom we jointly offer products or services. In such cases, our business partner’s name will appear along with ours.

4.3 Sharing content with friends or colleagues. We may allow you to forward or share certain content with a friend or colleague, such as an email inviting your friend and/or colleague to use our Services or view the report created by our Services. Email addresses that you may provide for a friend or colleague will be used to send your friend or colleague the content or link you request, but will not be collected or otherwise used by Streamlit or any other third parties for any other purpose.

4.4 Disclosures to protect us or others. We may access, preserve, and disclose your Personal Information and other Account information, and content if we believe doing so is required or appropriate to: (i) comply with law enforcement or national security requests and legal process, such as a court order or subpoena; (ii) respond to your requests; (iii) protect your, our or others’ rights, property, or safety; (iv) to enforce our policies or contracts; (v) when we believe disclosure is necessary or appropriate to prevent physical harm or financial loss or in connection with an investigation or prosecution of suspected or actual illegal activity; or (vi) if we, in good faith, believe that disclosure is otherwise necessary or advisable.

4.5 Merger, sale, or other asset transfers. If we are involved in a merger, acquisition, financing due diligence, reorganization, bankruptcy, receivership, purchase or sale of assets, or transition of service to another provider, then your information may be sold or transferred as part of such a transaction as permitted by law and/or contract.

5. Cookies, pixel tags/web beacons, and analytics information.

We, as well as third parties that provide content, advertising, or other functionality on the Services, may use cookies, pixel tags, local storage, and other technologies (“Technologies”) to automatically collect information through the Services. Technologies are essentially small data files placed on your computer, tablet, mobile phone, or other devices that allow us to record certain pieces of information whenever you visit or interact with our Site and Services.

5.1 Cookies. Cookies are small text files placed in visitors’ computer browsers to store their preferences. Most browsers allow you to block and delete cookies. However, if you do that, the Services may not work properly.

5.2 Pixel tags/Web beacons. A pixel tag (also known as a web beacon) is a piece of code embedded on the Site that collects information about users’ engagement on that web page. The use of a pixel allows us to record, for example, that a user has visited a particular web page or clicked on a particular advertisement.

5.3 Analytics. We may also use various analytics service providers including, Google and Mixpanel to collect information regarding visitor behavior and visitor demographics on our Site and Services. For more information about Google Analytics, please visit

You can opt out of collection and Processing of data by these individual analytics services by accessing the following links: (i) for opting out of collection by Google, you can use the following link: (ii) for opting out of collection by Mixpanel: In addition, you can opt out of such collection by any of these services, by accessing a common link provided under Section 8 (Your Choices- Cookies and Interest-Based Advertising).

We use such Technologies for these purposes:

6. Third party websites, social media platforms and software development kits

The Services may contain links to other websites and other websites may reference or link to our Site or other Services. We do not control such third party websites or resources. So please read the privacy policies of each such website before you provide any information on it. We may use third party APIs and software development kits (“SDKs”) as part of the functionality of our Services. APIs and SDKs may allow third parties including advertising partners to collect your Personal Information to provide content that is more relevant to you. For more information about our use of APIs and SDKs, please contact us as set forth below.

7. International data transfers

All information Processed by us may be transferred, Processed, and stored anywhere in the world- such as, the United States or other countries. Personal Information may be stored in the cloud, on our servers, on the servers of our affiliates or the servers of our service providers. Accordingly, Your Personal Information may be transferred to, and maintained on, computers located outside of your state, province, country or other governmental jurisdiction where the privacy laws may not be as protective as those in your jurisdiction.

8. Your choices

8.1 General. You may opt out of certain uses of your Personal Information, or even withdraw your previously provided consent at any time and prevent further Processing by contacting us as described below. Please note, however, that the opt out does not apply to, and we may still collect and use, any non-Personal Information regarding your activities on our Site, Services and/or information from the advertisements on third party websites for other legal purposes as described above.

8.2 Email communications. We may periodically send you free newsletters and e-mails that directly promote our Services. When you receive such promotional communications from us, you will have the opportunity to use the unsubscribe link found at the bottom of the email to opt out of receiving future emails. Note that you will continue to receive transaction-related emails regarding Services you have requested, and you will not be able to opt out of those communications (e.g., communications regarding the Services, your Account, or updates to our Terms or this Privacy Policy).

8.3 “Do Not Track”. Do Not Track (“DNT”) is a privacy preference that users can set in certain web browsers. Sorry- we do not respond to or honor DNT signals or similar mechanisms transmitted by web browsers.

8.4 Cookies and Interest-Based Advertising. You may stop or restrict the placement of Technologies on your device or remove them by adjusting your preferences as your browser or device permits. You may opt out of receiving targeted ads from data partners and other advertising partners that participate in self-regulatory programs via the following links:,,, and Please note you must separately opt out in each browser and on each device. Advertisements on third party websites that contain the AdChoices link may have been directed to you based on information collected by advertising partners over time and across websites. These advertisements provide a mechanism to opt out of the advertising partners’ use of this information for interest-based advertising purposes.

9. Rights of access, rectification, erasure and restriction.

In accordance with applicable law, you may have the right to: (i) request confirmation of whether we are processing your Personal Information; (ii) obtain access to or a copy of your Personal Information; (iii) receive an electronic copy of Personal Information that you have provided to us, or ask us to send that information to another entity (the “right of data portability”); (iv) restrict our uses of your Personal Information; (v) seek correction or amendment of inaccurate, untrue, incomplete, or improperly Processed Personal Information; and (vi) request erasure of Personal Information held about you by Streamlit, subject to certain exceptions prescribed by law. If you would like to exercise any of these rights, please contact us as set forth below.
We will process such requests in accordance with applicable laws. To protect your privacy, Streamlit will take steps to verify your identity before fulfilling your request.

10. Data retention

Streamlit retains the Personal Information we receive as described in this Privacy Policy for as long as you use our Services or as necessary to fulfill the purpose(s) for which it was collected.

11. Security of your information

We take steps to ensure that your information is treated securely and in accordance with this Privacy Policy. Unfortunately, the Internet cannot be guaranteed to be 100% secure, and we cannot ensure or warrant the security of any information you provide to us. To the fullest extent permitted by applicable law, we disclaim liability for unintentional disclosure. We may communicate with you electronically regarding security, privacy, and administrative issues relating to your use of the Services. If we learn of a security system’s breach, we’ll attempt to notify you electronically by posting a notice on the Services, by mail or e-mail.

12. Children’s information

The Site and Services are not directed to children under 13 (or other age as required by local law), and we do not knowingly collect Personal Information from children. If you learn that your child has provided us with Personal Information without your consent, you may contact us as set forth below, and we’ll promptly take steps to delete such information and terminate the child’s account.

13. California privacy rights

California law permits users who are California residents to request and obtain from us once a year, free of charge, a list of the third parties to whom we have disclosed their Personal Information (if any) for their direct marketing purposes in the prior calendar year, as well as the type of Personal Information disclosed to those parties. Except as otherwise provided in this Privacy Policy, Streamlit does not share Personal Information with third parties for their own marketing purposes.

14. Supervisory authority

If you are located in the European Economic Area, you have the right to lodge a complaint with a supervisory authority if you believe our Processing of your Personal Information violates applicable law.

15. Changes to our privacy policy

We may revise this Privacy Policy from time to time in our sole discretion. If there are any material changes to this Privacy Policy, we will notify you as required by applicable law, by posting the updated Privacy Policy on our Services or other communication to you, and updating the “Effective Date” above. You understand that the new Privacy Policy will apply to you if you continue to use the Services.

16. Contact us

If you have any questions about our privacy practices or this Privacy Policy, please contact us at:

17. Definitions

17.1 “Personal Information” is any information relating to an identified or identifiable natural person.

17.2 “Process” or “Processing” means any operation which is performed upon Personal Information, whether or not by automatic means, such as collection, recording, organization, structuring, storage, adaptation or alteration, retrieval, consultation, use, disclosure by transmission, dissemination or otherwise making available, alignment or combination, restriction, erasure, or destruction.