Every social platform has its own video standards—aspect ratios, resolutions, time limits, and file sizes. Miss the mark, and your content risks looking unprofessional: cropped visuals, unreadable captions, or worse, a failed upload.
It’s not just about appearances. Video Specs directly affect performance. Platforms are more likely to promote content that meets their technical guidelines, while poorly optimized videos often get buried.
In today’s competitive landscape, understanding and applying the right social media video sizes & format specs isn’t optional—it’s the baseline for looking credible, maximizing reach, and making sure your content lands the way you intended.
Here’s the part most people skip: platforms like it when you play by their rules. If you give them the right file shape, length, and quality, they’re far more likely to push your content to the top of feeds. You mess that up? The algorithm quietly shrugs you off.
It’s not really about being picky—it’s about trust. Think of it as showing up to a job interview in clothes that fit. No one comments if you’re dressed right. But show up in pajama pants? Yeah, people notice.
| Platform | Aspect Ratios | Resolution | Max Length | File Size Limit |
|---|---|---|---|---|
| 9:16 (Reels/Stories), 4:5, 1:1, 16:9 (Feed) | 1080×1920 (Reels/Stories), 1080×1350 (Feed) | Reels: 3 min, Feed: 15–60 min | 4 GB | |
| TikTok | 9:16 (Primary), 1:1, 16:9 | 1080×1920 | Up to 10 min | 287 MB (iOS), 72 MB (Android) |
| YouTube | 16:9 (Standard), 9:16 (Shorts), 1:1 | Up to 7680×4320 (Standard), 1080×1920 (Shorts) | Standard: 12 hrs, Shorts: 60 sec | 256 GB |
| 9:16 (Reels/Stories), 4:5, 1:1, 16:9 | 1080×1920 (Stories), 1080×1080 (Feed) | Feed: 240 min, Stories: 2 min, Reels: 90 sec | 4 GB | |
| X (Twitter) | 1:1, 16:9, 9:16 | 1280×720 (16:9), 720×1280 (9:16), 720×720 (1:1) | 2m20s (standard), 10 min (Blue/Pro users) | 512 MB |
| 1:1, 16:9, 9:16, 4:5 | Min: 360×640, Max: 4096×2304 | Native: 10 min, Ads: 30 min | 5 GB | |
| 9:16, 2:3, 1:1, 4:5 | Varies by aspect ratio, typically 1080×1920 | Up to 15 min | 2 GB | |
| Snapchat | 9:16 | 1080×1920 | Up to 3 min | 1 GB |
Instagram started square but now thrives vertically.
Tip: Leave ~250px at the top and bottom clear for safe text placement.
TikTok set the standard for vertical video.
Tip: While you can upload long videos, the highest-performing TikToks are still under 60 seconds.
YouTube is unique—it dominates in both long-form and short-form content.
Visit the Google Help Center for more information on YouTube Video Sizes & Formats Guidelines.
Also, check out YouTube Algorithms Optimisation Tips
Tip: The best creators combine both deep-dive videos supported by Shorts that fuel discovery.
Facebook supports multiple formats, but vertical and square content usually performs best.
Tip: Want visibility in the feed? Stick to square or vertical for mobile dominance.
X (formerly Twitter) thrives on quick consumption.
Also, check out the official X (Twitter) Video Guideline.
Tip: Videos autoplay muted—captions aren’t optional, they’re essential.
LinkedIn is the corporate stage—high-quality video is expected.
Visit LinkedIn Help Center for Detailed LinkedIn Video Specs Guidelines
Tip: Always upload natively. YouTube links underperform in the LinkedIn feed.
Pinterest videos shine in tutorials, recipes, and “how-to” guides.
Tip: Think shareable, evergreen content with a strong visual hook.
Snapchat stays true to its roots—vertical, quick, and raw.
Tip: Short, snappy storytelling works best here.
Here’s the trick nobody tells you: specs shape culture.
TikTok didn’t just create 9:16 videos; it created a whole new rhythm for online storytelling. What used to be a limitation turned into a cultural grammar.
Trying to track every tweak manually? Exhausting. A few options:
Or, if you’d rather not drown in spreadsheets, lean on services that stay current for you. For example, BuyRealFollows doesn’t just give you growth tools—it also helps clients navigate these shifts so you’re not blindsided mid-campaign. It’s less about followers, more about not fumbling when the rules change.
Great specs don’t shout—they signal. A video that fills the screen, loads quickly, and plays clearly tells viewers: this brand respects your time.
Respect earns trust. Trust earns growth.
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