If you're a developer shipping side projects, you already know the drill: the code is the easy part — the visuals are what eat your weekend. Hiring a designer for a landing page hero, product mockups, or launch banners isn't always in the budget, but AI image tools like ChatGPT and Gemini have quietly become the indie hacker's design team.
The catch? Results live and die by the prompt. Vague prompts give you vague, uncanny images. The trick is specificity: subject, camera style, lighting, mood, and composition, all in one copy-paste block.
Here's the workflow I use now:
- Decide which asset I need — hero image, avatar, OG banner, or an app screenshot backdrop.
- Grab a structured prompt written for photographic output rather than clip-art vibes.
- Paste it into ChatGPT or Gemini, tweak one or two details, and generate.
- Iterate twice instead of twenty times.
The time savings are real. A polished hero image that used to take an evening of fiddling now takes about ten minutes, and consistent character shots for a whole launch kit are finally feasible for one person.
I keep a running collection of these in a free library called Prompt Seen — 1500+ copy-paste AI photo prompts for ChatGPT and Gemini, plus trending CapCut templates for promo videos. Everything is free at promptseen.pk with no signup, so you can grab a prompt and be generating in under a minute.
My advice: build a small personal swipe file of the prompts that worked for your projects. Future you will be grateful.
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