Convert to title case: title

The title filter converts a string to title case, where the first letter of each word is capitalized and the rest are lowered. This is useful when you want to present text in a polished, headline-like format. For example, you might want to format a room name or deviceA device is a model representing a physical or logical unit that contains entities. name nicely for a notification or a dashboard display, turning values like living room light into Living Room Light.

Usage

Here’s how to use this template function. Copy any example and adjust it to your setup.

As a filter
{{ "living room light" | title }}
Result (stringA piece of text, like a name, message, or entity ID. In templates, wrap strings in quotes, like "living_room" or "lights are on".)
Living Room Light

Function signature

The signature is a technical summary of this template function. It shows the name of the function, the values (called parameters) it accepts, and what type of data each parameter expects (for example, a piece of text or a number).

Function parameters that have a = with a value after them are optional. If you leave them out, the default value shown is used automatically. Function parameters without a default are required.

title(
    value: str,
) -> str

Function parameters

The following parameters can be provided to this function.

value string Required

The string to convert to title case. The first letter of each word is capitalized.

Good to know

  • Words are split on any non-letter character, so names like "o'brien" become "O'Brien" and values with numbers may capitalize unexpectedly.
  • Every word is capitalized, including short words like “of”, “the”, and “in”. This is not the same as English title-case conventions.

Try it yourself

Ready to test this? Open Developer tools > Template, paste the example into the Template editor, and watch the result update on the right. Edit the values to see how the function adapts to your own entitiesAn entity represents a sensor, actor, or function in Home Assistant. Entities are used to monitor physical properties or to control other entities. An entity is usually part of a device or a service. [Learn more].

More examples

Real scenarios where this function comes up in automations and templates. Copy any example and adapt it to your setup.

Format an entity name for display

Turn a raw entity name into a nicely formatted title for a notification.

TemplateA template is an automation definition that can include variables for the action or data from the trigger values. This allows automations to generate dynamic actions. [Learn more]
{{ "front door sensor" | title ~ " is active" }}
Result (stringA piece of text, like a name, message, or entity ID. In templates, wrap strings in quotes, like "living_room" or "lights are on".)
Front Door Sensor is active

Create a friendly room name

Format a room name for use in a dashboard card heading.

TemplateA template is an automation definition that can include variables for the action or data from the trigger values. This allows automations to generate dynamic actions. [Learn more]
{{ "guest bedroom" | title }}
Result (stringA piece of text, like a name, message, or entity ID. In templates, wrap strings in quotes, like "living_room" or "lights are on".)
Guest Bedroom

Still stuck?

The Home Assistant community is quick to help: join Discord for real-time chat, post on the community forum with your template and expected result, or share on our subreddit /r/homeassistant.

Tip

AI assistants like ChatGPT or Claude can also explain or fix templates when you describe what you want in plain language.

Related template functions

These functions work well alongside this one: