LinkedIn scheduler with on-device compression and official API posting
Publish professional updates and PDF document carousels to a LinkedIn profile or company page within the 3,000-character limit.
Connects through each network's official sign-in. We never ask for your passwords. · LinkedIn Marketing / Share API via official OAuth 2.0 (w_member_social).
LinkedIn media and container specifications
| Caption limit | 3,000 characters |
|---|---|
| Recommended hashtags | 4 |
| Preferred aspect ratio | 1:1 |
| Video container | MP4 |
| Video codec | H.264 / AAC |
| Max video size | 200 MB |
| Max duration | Up to 10 minutes |
| Video resolution | 1080 × 1080 or 1920 × 1080 |
| Frame rate | 24–60 fps |
| Image formats | JPEG, PNG, PDF (carousel) |
| Max image size | 100 MB for PDF |
| Recommended image size | 1200 × 1200 |
LinkedIn character limit calculator
Paste a caption to see exactly how it lands against LinkedIn's 3,000-character limit and 4 recommended hashtags. Nothing is uploaded — this runs entirely in your browser.
0 / 3,000 characters · 3,000 remaining
Ban-risk and rate-limit safety on LinkedIn
Humanized posting delays
LinkedIn throttles accounts that publish more than a few times an hour. Humanized delays spread a batch across a natural window.
Official API only
LinkedIn Marketing / Share API via official OAuth 2.0 (w_member_social). No scraping, no session cookies, no unofficial endpoints — the practices that actually get accounts suspended.
Compression before upload
WebCodecs re-encodes on your device — a 100 MB clip becomes roughly 12 MB — so LinkedIn uploads finish fast and stay inside its size ceiling. Try the compressor.
LinkedIn publishing questions
Specifics about limits, media and compliance when GentoPost posts to LinkedIn.
Does GentoPost support LinkedIn PDF document carousels?
Yes. Attach a PDF and select a LinkedIn channel; the publisher validates it as a document post rather than an image and blocks PDFs on networks that reject them.
What happens if my caption exceeds 3,000 characters?
The composer flags a blocking error before publishing and shows exactly how many characters to cut.
Can I post to LinkedIn and Bluesky at the same moment?
Yes — that pairing is one of the most common GentoPost workflows. Each network receives its own length, tone and hashtag treatment from a single draft.
Other networks GentoPost publishes to
- Instagram Reels
- TikTok
- YouTube Shorts
- Google Business
- X
- Threads
- Telegram
- WhatsApp Status
- Snapchat
- Bluesky
Ready to publish? See plans and start the 3-day trial.