Spec Social Media 2026: ukuran, length, format untuk semua platform

Reference card untuk content team. Print, bookmark, atau paste di workspace.

§ 1.3.1 Instagram

Image post

Type	Aspect ratio	Pixel size	Max file
Square	1:1	1080×1080	30 MB
Portrait	4:5	1080×1350	30 MB
Landscape	1.91:1	1080×566	30 MB

⚠ NOTE: Portrait 4:5 paling optimal untuk feed (most screen real estate).

Reels

Aspect ratio:     9:16 (1080×1920)
Length:           3 seconds – 90 seconds
Cover image:      1080×1920 (or first frame)
Max file:         4 GB (1 GB recommended)
Caption max:      2,200 characters
Hashtag max:      30 (recommended: 3-5 relevant)

Story

Aspect ratio:     9:16 (1080×1920)
Duration:         max 60 seconds per slide
Stickers max:     no limit (visible area ~80%)
Link sticker:     available all accounts
Music max:        15 seconds clip

Carousel

Slides:           2-10 per post
Format:           Image OR video per slide (can mix)
Aspect ratio:     all slides MUST match (set first slide)
Caption max:      2,200 characters

§ 1.3.2 TikTok

Video

Aspect ratio:     9:16 (1080×1920) — vertical only
Length:           3 seconds – 10 minutes (recommended: 9-30 seconds)
File max:         287.6 MB (mobile), 4 GB (desktop)
Caption max:      4,000 characters (recommended: 80-150)
Hashtag max:      ~100 (recommended: 3-5)

TikTok Stories (2026)

Aspect ratio:     9:16
Length:           5-60 seconds
Visibility:       24 hours, viewable only by mutual followers

Cover

Aspect ratio:     1:1.42 (preferred)
Pixel:            1080×1536

§ 1.3.3 Facebook

Feed post

Type	Aspect ratio	Pixel size
Image	1.91:1	1200×630
Square	1:1	1080×1080
Vertical	4:5	1200×1500

Caption max:      63,206 characters (recommended: 40-80)
Hashtag:          discouraged (algorithm penalty)

Facebook video

Length:           1 second – 240 minutes (recommended: 1-3 minutes)
Aspect ratio:     16:9 horizontal OR 9:16 vertical (Reels)
Max file:         10 GB
Caption max:      63,206 chars

Cover photo

Profile:          820×360 (display 820×312)
Page:             820×360 (display 820×312)
Group:            1640×856

§ 1.3.4 LinkedIn

Post

Text post max:    3,000 characters
Image:            1200×627 (1.91:1) recommended
Carousel:         5-20 slides (PDF format)
Carousel PDF:     max 10 MB, 1080×1080 or 1080×1350

Article (long-form)

Title max:        150 characters (display ~100)
Body:             max 110,000 characters
Cover image:      744×400 (recommended)

Video

Aspect ratio:     16:9 horizontal OR 1:1 square OR 9:16 vertical
Length:           3 seconds – 30 minutes
Max file:         5 GB
Caption max:      150 characters above-fold

§ 1.3.5 Twitter/X

Tweet

Text max:         280 characters (Premium: 25,000)
Image max:        4 per tweet, 5 MB each
Image size:       1200×675 (16:9) recommended
GIF max:          15 MB

Video

Length:           0.5 second – 2 min 20 sec (Premium: 4 hours)
Aspect ratio:     1:2.39 to 2.39:1 (mostly 16:9)
Max file:         512 MB

Thread

Max tweets:       no formal limit (recommend < 25)
Best practice:    Tweet 1 hook + Tweet 2-7 content + final Tweet CTA

§ 1.3.6 YouTube

Standard video

Aspect ratio:     16:9 (1920×1080) — 4K supported (3840×2160)
Length:           max 12 hours (recommended: 8-15 menit untuk engagement)
Title max:        100 characters (recommended: 60-70)
Description max:  5,000 characters
Tag max:          500 characters total

YouTube Shorts

Aspect ratio:     9:16 (1080×1920)
Length:           max 60 seconds
Title max:        100 characters

Thumbnail

Size:             1280×720 (16:9)
Max file:         2 MB
Format:           JPG, PNG, GIF (static)

§ 1.3.7 TikTok vs Reels vs Shorts (vertical video)

┌──────────────────┬────────────┬────────────┬────────────┐
│ Spec             │ TikTok     │ IG Reels   │ YT Shorts  │
├──────────────────┼────────────┼────────────┼────────────┤
│ Aspect ratio     │ 9:16       │ 9:16       │ 9:16       │
│ Length max       │ 10 min     │ 90 sec     │ 60 sec     │
│ Caption max      │ 4000 ch    │ 2200 ch    │ 100 ch     │
│ Cover/thumb size │ 1080×1536  │ first frame│ 1080×1920  │
│ Hashtag optimal  │ 3-5        │ 3-5        │ 3-5        │
│ Music length     │ full song  │ full song  │ full song  │
└──────────────────┴────────────┴────────────┴────────────┘

Strategy: produce 1 master video, crop/trim per platform spec.

§ 1.3.8 File format quick ref

Asset	Recommended	Acceptable	Avoid
Static image	JPG (compressed), PNG (transparency)	WebP, GIF	TIFF, BMP, HEIC
Animated	GIF	APNG	MP4 (use video)
Video	MP4 (H.264 codec)	MOV	WMV, AVI, MKV
Audio	MP3 (320kbps)	WAV	FLAC, M4A

§ 1.3.9 Update log

• Q2 2026: Added Instagram Reels 90-sec extension (was 60s)
• Q1 2026: TikTok video max extended to 10 min
• Q4 2025: LinkedIn Carousel PDF format released
• Q3 2025: YouTube Shorts max length 60s (was 90s, reduced)

Bookmark page ini. Update setiap quarter saat platform update spec.