Quick Index is packed with options, giving you control over how it works and behaves. Here is the full list of the options you can find in the Quick Index system plugin settings:

Styling

Class name Set a class name to add to the div tag around the index list.
Default setting: well
Class name Index Title Set a class name to add to the title tag of the index.
Default setting: index-header
Class name List Set a class name to add to the index list tag.
Default setting: index
Class name List Titles Set a class name to add to the title elements inside the index list.
Default setting: index-title
Class name List Items Set a class name to add to the index list items.
Default setting: index-item
Class name Headings Set an optional class name to add to the heading tags.
Default setting: indexed
Class name Numbers Set a class name to add to the span around the numbers added to the headings.
Default setting: heading_number

Behaviour

Index Title Enter a title that will be placed at the top of the index list. This value will be handled as a Joomla language string.
Index Title Heading Select the heading tag to use for the index title.
Options: h2, h2, h2, h4, h5, h6, p

Minimum / Maximum Levels

Minimum Index Level Set the minimum heading level to include in the index.
Options: h2, h2, h2, h4, h5, h6
Maximum Index Level Set the maximum heading level to include in the index.
Options: h2, h2, h2, h4, h5, h6
Minimum Headings Level Set the minimum heading level. All these headings will be converted based on your settings, like adding anchors, class names and numbered prefixes.
Options: h2, h2, h2, h4, h5, h6
Maximum Headings Level Set the maximum heading level. All these headings will be converted based on your settings, like adding anchors, class names and numbered prefixes.
Options: h2, h2, h2, h4, h5, h6

Ordered List

Ordered List Select whether to use ordered or unordered lists.
Options: No, Yes, Set individually PRO
Set individually
allows you to choose the list style for each level.
Ordered List Style Set the ordered list style.
Options:
1, 2, 3
A, B, C
a, b, c
I, II, III
i, ii, iii

Auto Index

Auto Index Automatically add an index at the top of articles.
Categories Limit the automatic adding of indexes to the selected categories.
Options: Ignore, Include, Exclude
Also on child items Also assign to child items of the selected items?

Tag Syntax

Quick Index Tag The word to be used in the tags.
Note: If you change this, all existing tags will not work anymore.
Default setting: index
No Index Tag The word to be used in the noindex tags.
Headings in the content between these tags will not be included in the index.
Default setting: nondex
Tag Characters The surrounding characters of the tag syntax.
Note: If you change this, all existing tags will not work anymore.
Options: {...}, [...], {{...}}, [[...]], [:...:], [%...%]

Advanced Settings

No Index Class names A comma separated list of class names. Headings with any of these class name will not be included in the index.
No Index Attributes A comma separated list of attributes. Headings with any of these html attributes (key and value) will not be included in the index.
Index Title Class names A comma separated list of class names. Headings with any of these class name will be displayed as a heading inside the index list.
Index Title Offset Set an offset to be used as a heading tag inside the index.
For instance, if the offset is set to 2 and a h2 heading has a title class name, it will appear as a h2 in the index.
Add Links Select whether to add anchor links to the items in the index list.
Add Links to Headings Select whether to add anchor links to the headings inside the content.
Add Anchors to Headings Select whether to add anchor elements to the headings inside the content. Only switch this off if you are adding elements with the necessary ID in another way.
Add Number to Headings Select whether to add the generated number to the headings.
Options: No, Yes, Only when ordered
Number Separator Set the character to place after the number, before the heading text.
Add Number to IDs Select whether to add the generated number to the ids used for linking.
Add Parents to IDs Select whether to add the parent headings to the ids used for linking.
Prefix IDs Select to add a prefix to the ids used for linking
Prefix Numeric IDs Select to add a prefix to the ids used for linking, when it starts with a number
Prefix Enter the desired prefix to add to the ids used for linking
Remove HTML Remove HTML tags from the titles inside the index.
Remove Words from IDs A comma-separated list of words to remove from the ids used for linking.
Disable on Components Select in which front-end components NOT to enable the use of this extension.
Remove in Disabled Components If selected, the plugin syntax will get removed from the component. If not, the original plugins syntax will remain intact.
Place HTML comments By default HTML comments are placed around the output of this extension.
These comments can help you troubleshoot when you don't get the output you expect.
If you prefer to not have these comments in your HTML output, turn this option off.