← All articles 7 min read

Instagram Reel Size: The Complete Dimension Guide for 2026

Getting the Instagram Reel size wrong means black bars, cropped text, or a blurry mess where your carefully edited content used to be. Here are the exact specs you need — no guesswork required.

Instagram Reel Dimensions at a Glance

Spec Value
Resolution 1080 × 1920 pixels
Aspect ratio 9:16 (vertical)
Maximum duration 90 seconds
Minimum duration 3 seconds
Maximum file size 4 GB
Supported formats MP4, MOV
Frame rate 30 fps (recommended)
Cover photo size 1080 × 1920 px (displayed as 1080 × 1350 in grid)
Safe zone 1080 × 1420 px (centered)

Save this table. Bookmark this page. You will come back to it.

The gold standard Instagram Reel resolution is 1080 × 1920 pixels. This fills the entire screen on modern smartphones without any scaling or letterboxing.

Can you upload at a lower resolution? Technically, yes — Instagram accepts Reels as small as 720 pixels wide. But the platform will upscale your video to fit, and upscaled footage looks soft. Viewers scroll past blurry content without a second thought.

Going above 1080 × 1920 is fine. Instagram downscales higher-resolution footage, and starting with more pixels gives the compression algorithm more data to work with. If your editing software exports at 2160 × 3840 (4K vertical), use it. The result will look slightly sharper after Instagram's re-encoding.

For cover images and thumbnail frames, the same 1080 × 1920 resolution applies. Need to resize a cover image to these exact dimensions? Pixotter's resize tool handles it in your browser — no upload, no account, no waiting.

Aspect Ratio: 9:16

Instagram Reels use a 9:16 aspect ratio — the full vertical orientation of a phone screen. This is the same ratio used by TikTok, YouTube Shorts, and Snapchat Spotlight.

If you upload content at a different ratio, here is what happens:

Stick to 9:16. Always. If you have existing content in another ratio, crop or reframe it rather than letting Instagram add padding. For a deeper dive into aspect ratios across formats, check out our image aspect ratio calculator guide.

Safe Zones: Where to Keep Text and Key Elements

This is where most creators get burned. Instagram overlays UI elements on top of your Reel:

That leaves a safe zone of roughly 1080 × 1420 pixels, centered in the frame. Any text, logos, calls to action, or critical visual elements need to stay inside this area. If your text sits in the bottom 250 pixels, it is literally behind the caption and engagement buttons — invisible.

Quick rule: Keep everything important in the middle 74% of the frame vertically. Test by posting a Reel to a private account first and checking how it renders on your phone.

Cover Photo Dimensions

Your Reel cover photo displays differently depending on where it appears:

Context Display Size Aspect Ratio
Full-screen Reel view 1080 × 1920 px 9:16
Profile grid 1080 × 1350 px 4:5
Reels tab 1080 × 1920 px 9:16

The catch: when your cover shows in the profile grid, Instagram crops it to 4:5 from the center. Design your cover at 1080 × 1920, but place the most important elements (title text, faces, key visuals) within the center 1080 × 1350 area so they survive the grid crop.

For a full breakdown of every Instagram image format, see our guide on image sizes for Instagram.

Instagram Reel Ads Specifications

Running paid Reels? The specs shift slightly:

Spec Reel Ads Value
Resolution 1080 × 1920 px (minimum 500 × 888 px)
Aspect ratio 9:16
Maximum duration 60 seconds
Maximum file size 4 GB
Format MP4, MOV
Caption length 72 characters visible before truncation

Two things stand out. First, Reel ads max out at 60 seconds, not the 90 seconds available for organic Reels. Second, the safe zone is even more restrictive — ads show a CTA button at the bottom that covers additional screen space. Push your key messaging even higher in the frame for ads.

Meta recommends keeping text overlays to under 20% of the frame for ad Reels, though this is a guideline rather than a hard rule. Ads with heavy text overlays see lower delivery in practice.

Repurposing Content from TikTok and YouTube Shorts

Good news: TikTok, YouTube Shorts, and Instagram Reels all share the 9:16 aspect ratio at 1080 × 1920 resolution. Cross-posting is straightforward, with a few caveats.

Removing watermarks: Do not post TikTok videos with the TikTok watermark on Instagram. Meta's algorithm deprioritizes watermarked content from competing platforms. Download your original file from TikTok's drafts or re-export from your editing software.

Safe zone differences: Each platform places UI elements in slightly different positions. Text that clears TikTok's interface might collide with Instagram's buttons. Always preview on each platform before publishing.

Duration: YouTube Shorts max out at 3 minutes. TikTok allows up to 10 minutes. Instagram Reels cap at 90 seconds. If your TikTok is longer than 90 seconds, you need to trim it or split it into a series.

Audio: Music licensed through TikTok's library is not automatically licensed on Instagram. If you used a TikTok-specific sound, check that it is available in Instagram's music library or swap it out.

For TikTok-specific image specs, check out our TikTok image size guide.

File Size and Compression

Instagram accepts Reels up to 4 GB, but uploading a 4 GB file is asking for trouble. Instagram will re-encode it aggressively, and the upload itself may timeout on mobile connections.

Aim for 50–150 MB for a 30-60 second Reel. This gives Instagram enough data for a clean re-encode without pushing file limits. Export at a bitrate of 10–20 Mbps for 1080p — this is the sweet spot between quality and file size.

If your cover images are larger than they need to be, run them through a compression tool before uploading. Smaller files upload faster and process more reliably on Instagram's servers.

Frequently Asked Questions

What is the best Instagram Reel size?

1080 × 1920 pixels at a 9:16 aspect ratio. This is the native full-screen resolution and delivers the sharpest results after Instagram's compression.

Can I post a horizontal video as a Reel?

You can, but you should not. Instagram will add black bars above and below the video, and the result looks unprofessional. Crop your horizontal footage to 9:16 or re-edit it for vertical framing.

What happens if I upload a Reel smaller than 1080 × 1920?

Instagram upscales it to fill the screen. The result looks soft and pixelated, especially on newer phones with high-resolution displays. Always export at 1080 × 1920 or higher.

How do I make sure text is readable on my Reel?

Keep all text within the safe zone — the center 1080 × 1420 pixels of the frame. Avoid placing text in the top 250 pixels or bottom 250 pixels where Instagram's UI elements overlap. Use high-contrast colors and a minimum font size of 24pt.

What is the Instagram Reel cover photo size?

Upload covers at 1080 × 1920 pixels (9:16), but design key elements within the center 1080 × 1350 area (4:5). The profile grid crops your cover to 4:5, so anything outside that center zone gets cut off in grid view.

Are Instagram Reel dimensions the same as TikTok?

Yes — both platforms use 1080 × 1920 pixels at 9:16. The main differences are in safe zones (UI overlay positions differ), maximum duration (TikTok allows up to 10 minutes vs. Instagram's 90 seconds), and music licensing. You can cross-post content, but preview on each platform to catch layout issues.

What aspect ratio does Instagram use for Reels in the feed?

When a Reel appears in the main feed (not the Reels tab), Instagram sometimes displays it at 4:5 rather than full 9:16. Your content is cropped from center, which is another reason to keep important elements away from the extreme top and bottom edges.

How do I resize an image to 1080 × 1920 for Reels?

Drop your image into Pixotter's resize tool, enter 1080 for width and 1920 for height, and download the result. Processing happens entirely in your browser — your image never leaves your device. For a full walkthrough of image dimensions across every social platform, see our social media image sizes guide.