Specs

Platform rules & daily limits

Every network has its own caption length, media format and rate limits. Pingwide validates your post against each one before you publish.

TikTok

Caption length
2,200 chars
Daily post limit
20 posts/day
Media required
Video required
Max images
Video length
10m
Aspect ratios
9:16
Hashtags
3–5 hashtags

Vertical video required, 3s – 10min.

Instagram

Caption length
2,200 chars
Daily post limit
25 posts/day
Media required
Image or video
Max images
10
Video length
2m
Aspect ratios
1:1, 4:5, 9:16
Hashtags
5–10 hashtags

Image or video required. Reels ≤90s. Carousel up to 10 items.

Facebook

Caption length
63,206 chars
Daily post limit
50 posts/day
Media required
Optional
Max images
10
Video length
4m
Aspect ratios
1.91:1, 1:1
Hashtags
0–3 hashtags

Caption nearly unlimited. Videos up to 240 minutes.

X

Caption length
280 chars
Daily post limit
100 posts/day
Media required
Optional
Max images
4
Video length
2m
Aspect ratios
16:9, 1:1
Hashtags
1–2 hashtags

Up to 4 images or 1 video ≤140s. 280 chars (≈4000 for verified).

LinkedIn

Caption length
3,000 chars
Daily post limit
25 posts/day
Media required
Optional
Max images
9
Video length
10m
Aspect ratios
1.91:1, 1:1, 9:16
Hashtags
3–5 hashtags

Professional tone. Image/video supported. Videos up to 10 minutes.

YouTube

Caption length
5,000 chars
Daily post limit
15 posts/day
Media required
Video required
Max images
Video length
12h
Aspect ratios
16:9 (Shorts 9:16)
Hashtags
3–5 hashtags

Video required. Title ≤100 chars. Shorts ≤60s; long-form up to 12h.

Threads

Caption length
500 chars
Daily post limit
250 posts/day
Media required
Optional
Max images
10
Video length
5m
Aspect ratios
1:1, 4:5, 9:16
Hashtags
1 hashtag max

500-character posts. Up to 10 media items per post.

Pinterest

Caption length
500 chars
Daily post limit
25 posts/day
Media required
Image or video
Max images
1
Video length
15m
Aspect ratios
2:3 (1000x1500)
Hashtags
2–5 hashtags

Vertical 2:3 pins perform best. Video pins up to 15min.

Bluesky

Caption length
300 chars
Daily post limit
500 posts/day
Media required
Optional
Max images
4
Video length
1m
Aspect ratios
1:1, 16:9
Hashtags
1–2 hashtags

Up to 4 images. Short, conversational.

Pingwide plan limits

Daily limits are stacked on top of each platform's own rate limit. You always get the lower of the two.

Essentials
  • 7 social accounts
  • 30 posts / day
  • 500 AI credits / month
Standard
  • 15 social accounts
  • 100 posts / day
  • 1,000 AI credits / month