Builder

Tony Dinh

Also known as @tdinh_me

Tony Dinh is a Vietnamese software engineer and indie builder who built TypingMind, an AI workspace for teams. He began coding in high school at 15, later worked seven years as a software developer, and built DevUtils, an offline macOS toolbox. Black Magic grew from a Twitter profile-progress script into a subscription app; after Twitter changed its API pricing, he sold it to Hypefury for $128,000 in 2023. TypingMind began as a ChatGPT interface, and as of October 2026, Dinh is founder and software engineer at Typing Technology, which operates TypingMind and DevUtils.

Now at
Typing Technology
Photo of Tony Dinh

Timeline

  1. 2020

    A toolbox for developers

    Born in Vietnam, Dinh began coding in high school at 15. After graduating, he worked for seven years as a software developer. In 2020, he built DevUtils, an offline macOS toolbox for common developer utilities, in about two weeks.

  2. May 2021

    A script becomes Black Magic

    A profile-progress script for Dinh's Twitter account became Black Magic, a subscription web app with a monthly Pro plan.

  3. September 2021

    Going indie full time

    He left his software engineering job and became a full-time indie hacker, working on his product ideas on his own.

  4. March 2023

    A new ChatGPT interface

    After OpenAI released the ChatGPT API, he built TypingMind as a better chat interface and released it in March 2023. The product grew into an AI workspace that lets teams use and switch between models.

  5. 2023

    Selling Black Magic

    Twitter's API pricing left Black Magic too costly to run, so he sold the business to Hypefury for $128,000.

  6. As of October 2026

    Building AI software

    Dinh is founder and software engineer at Typing Technology. The company builds TypingMind, a professional workspace for AI models, and DevUtils, an offline developer toolbox for macOS.

Sources and credits

Photo: typingtechnology.com; About — Typing Technology; creator not stated. License: Not stated by source. Source: typingtechnology.com. Cropped to a square and resized. Ask us to remove or replace this photo.

  1. Interviewing Tony Dinh about becoming a FullTime Indie Hacker wannabe-entrepreneur.com. Checked 14 October 2026.
  2. Tony Dinh — Ups and Downs of an Indie Hacker Journey – The Bootstrapped Founder thebootstrappedfounder.com. Checked 14 October 2026.
  3. My solopreneur story: zero to $45K/mo in 2 years news.tonydinh.com. Checked 14 October 2026.
  4. My Indie Book myindiebook.com. Checked 14 October 2026.
  5. About Us | TypingMind custom.typingmind.com. Checked 14 October 2026.
  6. About — Typing Technology typingtechnology.com. Checked 14 October 2026.