Step by step
Pick one idea and write the hook
Start with a single, specific idea. Write a scroll-stopping first line for slide 1. That hook decides whether anyone swipes, so make it a bold claim, a question, or a surprising fact.
Outline the slides
Break the idea into 5 to 10 slides, one point per slide. Keep each slide to a short line or two. Save the last slide for a clear call to action, like follow, save, or visit the link.
Design each slide
Use 1080x1350 px (a 4:5 ratio) so the slides fill the feed. Keep the same fonts, colors and layout on every slide. Put a photo or a solid brand color behind the text, and keep the text high-contrast.
Write the caption and hashtags
Write a caption that expands on the hook and repeats the call to action. Add a few relevant hashtags. Ask a question at the end to nudge comments.
Post up to 20 images and pin it
Upload your slides in order and publish. Instagram allows up to 20 images per carousel. Pin your best carousel to the top of your profile so new visitors see it first.
The one-minute way
Steps 1 to 3 are the slow part. Uniscript does them for you. Pick a niche or type a topic, and it writes the hook and every slide, chooses a photo for each from a built-in bank, and lays out a finished 4:5 carousel. You download it and post. Your first 3 are free, no card.
FAQ
What size should an Instagram carousel be?
Use 1080x1350 px, a 4:5 portrait ratio. It takes up the most space in the feed. 1080x1080 square also works. Keep every slide the same size so the swipe feels smooth.
How many slides should an Instagram carousel have?
Five to ten works for most posts. Enough to tell the story, short enough to hold attention. Instagram allows up to 20 images if you need them.
How do I make an Instagram carousel without design skills?
Use an AI carousel maker. Uniscript writes the copy, picks the photos and builds the layout, so you get a finished carousel without opening a design editor.