Additional Streamlit in Snowflake features


This feature is available to accounts in AWS, Microsoft Azure, and GCP regions. AWS PrivateLink and Azure Private Link are not supported.

This topic describes additional Streamlit in Snowflake features.

Custom UI in Streamlit in Snowflake

Custom UI enables customization of the look, feel, and front-end behavior of Streamlit in Snowflake apps. This feature supports the following:


Custom UI has some restrictions related to the Content Security Policy (CSP). For more information, see Limitations when loading external resources in Streamlit in Snowflake.

Customize your Streamlit in Snowflake apps

To start customizing your Streamlit in Snowflake app, simply call st.components.v1.html, or st.markdown with unsafe_allow_html=True. The provided HTML is added to the app front end in the user’s browser.


You must specify the inline HTML or load the HTML into a string. You cannot pass a URL or a file path directly to the command to run or embed.

See the following examples for customizing your Streamlit in Snowflake apps:

  • Customize your sidebar background color:

        [data-testid=stSidebar] {
          background-color: #94d3e6;
    """, unsafe_allow_html=True)
  • Add an app logo with streamlit-extras:

    Make sure to install the streamlit-extras package before running.

    from streamlit_extras.app_logo import add_logo
    add_logo("./Logo.png", height=60)
  • Set the sidebar width programmatically:

    import streamlit.components.v1 as components
        window.parent.document.querySelector('[data-testid="stSidebar"]').style.width = "300px";
    """, height=0)
  • Create an in-browser DataFrame exploratory data analysis (EDA) with ydata-profiling:

    import streamlit as st
    import streamlit.components.v1 as components
    from sklearn.datasets import load_iris
    from ydata_profiling import ProfileReport
    df = load_iris(as_frame=True).data
    html = ProfileReport(df).to_html()
    components.html(html, height=500, scrolling=True)

Custom UI in Streamlit apps within the Snowflake Native App Framework

Custom UI is currently disabled by default for Streamlit apps within a Snowflake Native App. During this preview, providers can request Snowflake to enable Custom UI for specific application packages.