Soft Length Limit

This module provides a counter that indicates the maximum recommended
characters in a certain text field. This means the user will be warned if the
content length of the field is exceeded, but will still be able to pass content
validation and be persisted in the relevant storage.

Drupal 7 Features

It basically does two things:

* Lets the user configure any instance of a text field's widget, to have a specific soft limit. This is done in the usual field settings for entity types. This counter will always be shown on fields with a soft limit, no matter the settings mentioned below.

* Adds a character countdown to form elements that already have a maxlength specified. This functionality can be customized through the options specified below.

For more configuration options, see the readme file.

Drupal 8 Features

This module adds the following features:

* Lets the user configure any instance of a text field's widget, to have a
specific soft limit. This is done in the "Manage Form Display" page of the
relevant entity type. This counter will always be shown on fields with a soft
limit.