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Alphabet Index Generator - A-Z Grouped List

Group a list of terms or names alphabetically under A-Z section headers, showing only letters with matching entries, sorted within each group.

Alphabetical Index:
 

How to Use the Alphabet Index Generator

Paste a list of terms or names, one per line. The tool groups them alphabetically under A-Z section headers, showing only the letters that actually have at least one matching entry, and sorts entries alphabetically within each letter group. This is a quick way to turn a raw list into a formatted index, glossary, or directory listing.

Example

Entering Zebra, Apple, Mango, and Avocado (one per line) produces an index with an "A" group containing Apple and Avocado in alphabetical order, a "M" group containing Mango, and a "Z" group containing Zebra — with no B through L or N through Y headers shown, since no entries start with those letters.

Common Use Cases

  • Building a glossary or index for a book, guide, or documentation site from a raw term list.
  • Turning a member or contact list into an alphabetically sectioned directory.
  • Organizing a list of product names, ingredients, or tags into readable A-Z groups.

FAQs

  • What happens to entries that don't start with a letter? Entries starting with a number or symbol are grouped together under a single "#" section placed at the end of the index.
  • Is the grouping case-sensitive? No — grouping and sorting both ignore case, so "apple" and "Apple" are grouped and sorted together as if identically cased.
  • Are duplicate entries removed? No — every line you enter appears in the index exactly once per occurrence; run a duplicate-removal tool first if you want only unique entries.