Text input widgets can customize how to hide their labels with the label_visibility parameter. If “hidden”, the label doesn’t show but there is still empty space for it above the widget (equivalent to label=""). If “collapsed”, both the label and the space are removed. Default is “visible”. Text input widgets can also be disabled with the disabled parameter, and can display an optional placeholder text when the text input is empty using the placeholder parameter:

import streamlit as st

# Store the initial value of widgets in session state
if "visibility" not in st.session_state:
    st.session_state.visibility = "visible"
    st.session_state.disabled = False

col1, col2 = st.columns(2)

with col1:
    st.checkbox("Disable text input widget", key="disabled")
    st.radio(
        "Set text input label visibility 👉",
        key="visibility",
        options=["visible", "hidden", "collapsed"],
    )
    st.text_input(
        "Placeholder for the other text input widget",
        "This is a placeholder",
        key="placeholder",
    )

with col2:
    text_input = st.text_input(
        "Enter some text 👇",
        label_visibility=st.session_state.visibility,
        disabled=st.session_state.disabled,
        placeholder=st.session_state.placeholder,
    )

    if text_input:
        st.write("You entered: ", text_input)