Fix dark or crooked listing photos before they cost you another price cut: have an AI straighten verticals and even out the light in your listing photos, while keeping the home exactly as it is: AI agent prompt
In a slow market, the photos are the first thing a buyer sees, and a dark or crooked shot can make a home look worse than it is. On Nov 1, 2026, X user @MarsHomestead posted about PhotoFix, a Grok Bot they made to fix listing photos so the light and angles look their best, pitched at sellers in an area where motivated sellers keep dropping their price, with a before and after of a vacation home photo. Lighting and straightening are usually fine, but changing what's in the picture (removing a pole, adding grass, hiding damage) can mislead buyers and break MLS rules, so keep edits to how the photo looks, not what the home is.
The prompt
1. Upload one listing photo at a time and say: "Edit this real estate photo for a listing. Only: straighten the vertical lines and level the horizon, brighten dark areas and balance the window light, correct the colour so walls look their true colour, and sharpen slightly. Do NOT add, remove or change anything in the scene: no removing furniture, cords, marks, poles or damage, no changing the sky, lawn or view." 2. Compare the result side by side with the original. Reject any version where something in the room changed, even something small. 3. Ask: "Of these [10-25] photos, which 5 should lead the listing, and in what order, so a buyer understands the layout? Which ones are too dark, blurry or repetitive to use even after editing?" 4. Keep the originals, and check your MLS or portal rules on edited photos; disclose any virtual staging separately. 5. If a photo can't be saved by editing, add it to a reshoot list with the time of day the light is best in that room.
Fill in the blanks, then copy
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Example values are fictional, just to show how a filled-in prompt reads. Replace them with your real details.How to use it
- Copy the prompt above.
- Replace every [bracket] with your own details (use the fill-in-the-blanks box above, which remembers your answers for the next prompt).
- Paste it into Grok Bot, ChatGPT, image editing AI and review the answer before you use it.
Works with: Grok Bot, ChatGPT, image editing AI, MLS
Real-world example: x.com/MarsHomestead/status/2116711966802940011
Featured in: Free AI agent prompts for small business (beginner-friendly) · ChatGPT prompts for real estate agents: listing descriptions, leads, showings and closing
Before you use it: what to check
Already built into this prompt
- Do NOT add, remove or change anything in the scene: no removing furniture, cords, marks, poles or damage, no changing the sky, lawn or view." 2.
Check yourself
- Check every figure, price and total against your own records before anything is sent, posted or booked. A person approves refunds, discounts, payments and price changes.
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