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Create Strong Social Media Captions With ChatGPT And Canva

Steve Halabi

October 13, 2025

Create Strong Social Media Captions With ChatGPT And Canva

Write platform-ready captions with ChatGPT and pair them with matching Canva posts today.



You need:

  • ChatGPT account

  • Canva account

  • One weekly message or theme

  • One link to your main page

  • Brand voice notes and target audience

  • Logo file, brand colors, and fonts



Steps

  1. Pick one message for the week. Write one promise line your audience wants. Add three short support bullets.

  2. List your platforms. Choose two primary platforms and one support platform. For example, Instagram and YouTube Shorts as primary, email as support.

  3. Build your prompt in ChatGPT. Paste this block and fill the blanks.
    "You are my caption writer for creators. Write five captions per platform. Use grade 5 reading. Use short, clear sentences. No hype. No hashtags. No emojis. Keep the first five words strong. CTA points to my link. Theme is [your promise]. Audience is [who you help]. Voice is [two traits, for example calm and direct]. Platforms are Instagram feed, Instagram story, YouTube Shorts, and Pinterest."

  4. Generate captions. Ask for five options per platform. Include a headline line, one support line, and a clear call to action that points to your link.

  5. Tighten for each platform. Ask ChatGPT to shorten one set for story use and to expand one set for a pin description. Keep the message the same across all outputs.

  6. Create a caption bank. Copy the best lines to a clean doc. Label by platform. Keep one link at the end of each caption. Save the file in this week’s folder.

  7. Open Canva. Set your Brand Kit. Add logo, colors, and fonts. Save.

  8. Create a square template. Click Create a design and choose Instagram post. Build a layout with a large headline box, one image spot, and a small area for a call to action near the bottom.

  9. Add the first caption line to the graphic. Place the headline from your caption as the main text on the image. Keep words short. Keep lots of empty space.

  10. Use Canva AI to improve the layout. Click Magic Design for alternatives based on your text. Pick a clean option with one focal image.

  11. Swap images. Upload a product shot or a simple mockup. Use Background Remover if needed. Keep the subject large and clear.

  12. Create size variants with AI. Click Magic Switch. Make an Instagram story and a Pinterest size. Let Canva reflow, then fix line breaks and spacing.

  13. Style for clarity. Raise headline size until you can read it at arm’s length. Keep one primary color and one accent. Place your logo in a corner.

  14. Export the graphics. Click Download. Choose JPG for images. Export each size. Name files with the theme and size.

  15. Prepare post text. Paste the matching caption under each file name in your doc. Add your link with simple tracking tags so you can see clicks later.

  16. Publish in order. Post the square on your main platform. Post the story with a link sticker. Post the pin with the longer caption. Keep the first five words the same across all posts.

  17. Add one support send. If you email your audience, paste the best caption at the top of a short note. Add one button that links to the same page.

  18. Save your prompt for next week. Store it in your caption bank. You will swap the theme and audience lines only.



Quick check

  • Captions match your theme across all platforms.

  • First lines are strong and easy to read.

  • Graphics follow your Brand Kit and look clean on a phone.

  • Every caption ends with the same link.

  • Files sit in a folder with clear names.



Fix common issues

Captions feel flat: Ask ChatGPT for three new hooks that name the result in five words or fewer.
Too many words on the image: Move support lines to the caption and leave only the hook on the graphic.
Design looks crowded: Remove extra shapes and raise spacing around the headline.
Low clicks: Place the link higher in the caption and repeat the action once near the end.
Off-brand tone: Add two voice traits to the prompt and tell ChatGPT to rewrite using those traits.



Resources

Guide: Create Consistent, Valuable Content
Mini-course: Create Content That Sells Naturally



Publish this caption pack today. Keep one message across platforms and link to the same page. Save the prompt and your best lines so next week takes less time.


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