How to Create a Social Hashtag Generator GPT

Updated on:

May 12, 2026

By:

Use this interactive demo to learn how to build a social hashtag generator using ChatGPT.

Quick summary

This demo shows how to use ChatGPT to create a social hashtag generator that takes a user-inputted keyword or phrase and returns a list of relevant, trending hashtags. You will prompt ChatGPT to build both a hashtag database and a keyword-driven user interface for generating hashtags automatically.

Steps

Click on the empty chat box and type your first message to ChatGPT.
Click the arrow icon or press Enter to submit your message and proceed.
Ask ChatGPT to compile a large hashtag database covering relevant topics and categories.
Ask ChatGPT to design a user interface where users can enter a keyword, phrase, or short description of their content.
Review how ChatGPT generates a system that takes a user-inputted keyword and produces a list of relevant hashtags by combining related terms, variations, and trending topics.

📌 Why this matters

Building a social hashtag generator with ChatGPT allows content creators, marketers, and social media managers to instantly produce relevant, trend-aligned hashtags from any keyword or phrase. Instead of manually researching hashtags, users can leverage AI to compile a structured hashtag database and generate targeted suggestions in seconds. This approach saves time, improves content discoverability, and ensures posts reach the right audience across platforms like Instagram, LinkedIn, and X. Using ChatGPT as a custom GPT tool for hashtag generation makes social media optimization faster, smarter, and more scalable.

Your product deserves an interactive demo

Start free

How to Add Videos to ChatGPT

How to Log Out of ChatGPT

How to Upload Audio Files to ChatGPT