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How to make a seamless Instagram carousel

A seamless carousel is one wide picture cut into slides, so the image continues across the swipe instead of stopping at each card. The trick is to design it as one canvas and let the editor do the slicing — never to crop ten separate images and hope they meet.

This walkthrough uses Framescrll, a free carousel maker that works in the browser. Every step below names the actual control in the editor, so you can follow along. It takes about ten minutes the first time.

1. Open the editor Go to framescrll.com/app. It's free, there's no account to create, and your photos never leave your device — editing, slicing and export all happen in the browser.
2. Set the slide count and frame size The Canvas strip at the top holds two decisions you want to make before adding anything. Pick how many slides you want — the editor starts at 3, Instagram allows 2 to 20 — and set Frame size to Instagram Feed — 4:5. That exports every slide at 1080 × 1350 px, the tallest shape the feed shows (see the size guide for the alternatives). On a phone the strip collapses into a chip reading something like 3 slides · 4:5; tap it to open the same controls.
3. Add your photos Open the Photos tab and press Add photos (on the web you can also drop files onto it). The empty canvas says it plainly: photos land across the seams; nothing you place has to stay inside a single slide.
   • One wide photo (a phone panorama, a landscape) — select it on the canvas and press Fit across in the panel that opens. It stretches the photo over every slide; Un-crop puts it back.
   • Several overlapping shots — in the Photos tab choose Stitch photos into a panorama. Pick them in order, left to right, and the editor finds the overlap between each pair and joins them into one image spanning the strip. This runs on your device; nothing is uploaded.
   • A collage — add all the photos, then in the Layers tab use Auto collage (Mosaic, Scatter or Pile) or Tidy into a grid to lay them out in one go.
4. Line everything up on the seams Turn on Seams in the Canvas strip to see the cut lines. As you drag a layer, its edges and centre snap to those lines (and to the canvas edges and slide centres), and an amber guide appears when they land — the magnet button in the header turns snapping off if it gets in your way. Two habits make a carousel feel seamless:
   • Let backgrounds and big photos cross the cuts freely. That is what makes the swipe feel continuous.
   • Keep faces and text inside a slide. A caption straddling a cut gets a Crosses a slide cut badge so you notice before you export.
5. Add text, stickers and backgrounds The Text tab adds a bold headline, an editorial serif quote or a pill tagline you can retype and restyle. The Decorate tab has stickers and badges, background colours, gradients and patterns, a paint brush, film grain, and Templates. The templates under Built to your slide count — Party Banner, Numbered Slides, Titled Panorama — resize themselves to however many slides you chose, so a banner spans all of them without manual stretching. Simple mode (also in the Canvas strip) hides the advanced tools if you just want photos, text and export.
6. Check it in the feed preview Press Preview. The Feed preview shows the real exported slices inside a phone mockup with the Instagram post chrome around them. Swipe through and look at the seams — if something looks off, you're one Undo away from fixing it. There's a caption box here too, with a copy button, if you like to draft the caption alongside the design.
7. Export the slides Press the orange Export button. The panel first shows which platforms your slide count fits, then the choices:
   • Share all slides as images — on a phone this opens the share sheet with the slides in order.
   • Download all cards (.ZIP) — a ZIP of slide_01.png, slide_02.png and so on, each the full 1080 × 1350.
   • PNG (lossless) or JPG (high quality), and a one-PDF option meant for LinkedIn.
   Free exports carry a small Framescrll mark in a corner; the one-time unlock removes it.
8. Post the carousel on Instagram In Instagram, start a new post, tap select multiple, and pick the slides in order — slide 1 first. Instagram uses the first slide's shape for the whole set, which is why every slide came out 4:5. Don't let Instagram re-crop; the slides are already the right size. Prefer a Story? The editor's menu has Send slide 1 to Instagram Stories.

Things that make or break a seamless carousel

• Decide the frame size first. Changing it later means re-laying-out every photo.
• Resolution. A photo spanning five 4:5 slides is being asked to cover 5400 × 1350 px. Phone panoramas are usually wider than that; a cropped-in shot may go soft.
• Test on a phone. Instagram shows carousels at phone width, so the feed preview is a better check than the big canvas.
• Save as you go. The editor autosaves your latest session, and Save project in the menu keeps named drafts. Projects live on the device you made them on.
• Video version. The same canvas can go out as an MP4: Export as video → Pan across glides along the whole strip as one continuous image — something a slideshow of separate images can't do.

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