posterly
Compatibility Guide

See what you can publish with posterly on every platform

Compare posting formats, advanced options, and standout features across every destination you can publish to with posterly.

18 supported destinations8 core format checks5 advanced control checks
Available in posterlyNot available yet
Post Formats

Compare the content you can publish

See which platforms support text posts, images, videos, threads, stories, PDFs, multi-image posts, and custom covers in posterly.

Instagram
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish feed posts, reels, stories, story series, tagged posts, and collaborator content.

Facebook
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish text posts, images, videos, reels, stories, cover photos, and styled text posts.

TikTok
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish videos and photo posts with privacy settings, interaction controls, and branded content options.

X
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish text, images, videos, threads, and polls, with support for up to 4 images per post.

LinkedIn
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish text, images, videos, carousels, PDF documents, polls, and company mentions.

YouTube
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish videos with titles, tags, privacy settings, and custom thumbnails.

Pinterest
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish image Pins, video Pins, and multi-image Pins with board selection and destination-link support.

Threads
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish text, images, videos, carousels, and threaded follow-up posts.

Google Business
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish updates, offers, and events with CTA buttons for local discovery.

Telegram
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish text, images, videos, GIFs, and media groups with rich caption formatting.

Bluesky
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish text, images, and video with alt text, clickable links, @mentions, and #hashtags.

Discord
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish text, images, videos, and multi-file posts to a channel through a webhook you control.

Slack
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish text and images to Slack channels with Add-to-Slack OAuth and per-channel destinations.

Mastodon
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish text, images, and video to any Mastodon instance with visibility controls and content warnings.

Dev.to
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Cross-post articles to the DEV Community with title, tags, cover image, and canonical URL.

Hashnode
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish articles to your Hashnode blog with title, tags, and cover image.

WordPress
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish posts to any self-hosted WordPress site with a featured image, straight from the composer.

Lemmy
Text posts
Images
Video
Multi-image
Stories
Threads
PDF posts
Custom cover
Highlights

Publish link and text posts to communities on any Lemmy instance.

Important:This guide shows what’s available in posterly today. Some limits still vary by platform, such as Pinterest multi-image Pins supporting 2 to 5 images and X supporting up to 4 images per post.
Advanced Features

See where platform-specific options are available

Some networks offer more than standard posting. This section highlights extra options like polls, tags, collaborators, reply settings, and visibility controls.

Instagram
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Instagram stands out for tagging, collaborators, story publishing, and reel cover support.

Facebook
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Facebook gives you flexible page publishing, including stories, reel covers, and styled text posts.

TikTok
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

TikTok support includes privacy and interaction settings like comments, duet, and stitch.

X
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

X includes polls, threads, and reply audience settings.

LinkedIn
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

LinkedIn is ideal for professional content, with document posts, polls, company mentions, and custom video thumbnails.

YouTube
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

YouTube support focuses on video publishing details like visibility, tags, categories, and thumbnails.

Pinterest
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Pinterest supports standard Pins, video Pins, and multi-image Pins with 2 to 5 images.

Threads
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Threads includes reply controls and threaded posting for longer conversations.

Google Business
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Great for local marketing, with dedicated Event and Offer formats plus CTA buttons.

Telegram
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Telegram stands out for grouped media and flexible message formatting.

Bluesky
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Bluesky supports image and video posts with rich-text facets, so @mentions and #hashtags publish as real, tappable links.

Discord
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Discord publishing uses channel webhooks, so there is no OAuth review and no bot to install.

Slack
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Slack uses a workspace bot install. Pick one or more channels after OAuth; each channel is a connected account.

Mastodon
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Mastodon works with any instance: apps register dynamically, so no developer portal is involved.

Dev.to
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Dev.to publishing is built for blog cross-posting: set a canonical URL so your own site keeps the SEO credit.

Hashnode
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Hashnode publishing targets your own publication, captured automatically when you connect.

WordPress
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

WordPress connects with an application password, so it works with any self-hosted site that has the REST API enabled.

Lemmy
Polls
Mentions / tags
Collaborators
Audience controls
Visibility
Details

Lemmy posts target a community you choose per post, on any federated instance.

How to read this section: “Mentions / tags” covers features such as Instagram tagging and LinkedIn company mentions. “Audience controls” includes options like reply settings and interaction controls where available.
Platform Highlights

The standout features on each platform

A quick snapshot of the extras that make each network different, from LinkedIn PDFs to X polls and YouTube playlists.

Instagram

Instagram stands out for tagging, collaborators, story publishing, and reel cover support.

User tags on feed posts and carouselsCollaborator invites where supportedStory series publishingOptional companion Story postingAI or uploaded reel cover
Facebook

Facebook gives you flexible page publishing, including stories, reel covers, and styled text posts.

Styled text backgroundsCover photo publishingStory series publishingStory publishing supportReel cover support
TikTok

TikTok support includes privacy and interaction settings like comments, duet, and stitch.

Privacy settingsComments / duet / stitch togglesBranded content disclosureTikTok title fieldDraft fallback when direct posting is unavailable
X

X includes polls, threads, and reply audience settings.

Poll publishingThread publishingReply audience controlsDynamic character limits by account type
LinkedIn

LinkedIn is ideal for professional content, with document posts, polls, company mentions, and custom video thumbnails.

PollsLink preview cardsCompany mentionsPDF document titlesCustom video thumbnailMulti-image carousel posts
YouTube

YouTube support focuses on video publishing details like visibility, tags, categories, and thumbnails.

Custom thumbnailPublic / unlisted / private visibilityTags and category
Pinterest

Pinterest supports standard Pins, video Pins, and multi-image Pins with 2 to 5 images.

Board selectionMulti-image Pins (2 to 5 images)Single image and video PinsCustom video Pin coverDestination URL support
Threads

Threads includes reply controls and threaded posting for longer conversations.

PollsTopic tagsThreaded follow-up postsReply controlsCarousel publishing
Google Business

Great for local marketing, with dedicated Event and Offer formats plus CTA buttons.

Event postsOffer postsCTA buttonsPer-location publishingProfile photo & video management
Telegram

Telegram stands out for grouped media and flexible message formatting.

Native pollsInline CTA buttonsMedia groups up to 10 itemsChannel and group publishing
Bluesky

Bluesky supports image and video posts with rich-text facets, so @mentions and #hashtags publish as real, tappable links.

Video posts (up to 3 minutes)@mentions and #hashtagsLink preview cardsContent warningsClickable link formattingAlt text for imagesUp to 4 images per post
Discord

Discord publishing uses channel webhooks, so there is no OAuth review and no bot to install.

Webhook publishing (no bot install)Up to 10 attachments per messageDiscord markdown formattingAlt text on attachments
Slack

Slack uses a workspace bot install. Pick one or more channels after OAuth; each channel is a connected account.

Add-to-Slack OAuth (bot token)Public and private channel selectionText posts up to 3,000 charactersUp to 10 images per post (~10 MB each)Auto-join public channels when needed
Mastodon

Mastodon works with any instance: apps register dynamically, so no developer portal is involved.

Works with any Mastodon instanceVisibility controls (public, unlisted, followers only)Content warnings (spoiler text)Up to 4 attachments per postAlt text for mediaIdempotent publishing (never double-posts)
Dev.to

Dev.to publishing is built for blog cross-posting: set a canonical URL so your own site keeps the SEO credit.

Markdown article publishingCover image from your first attached imageUp to 4 tagsCanonical URL for SEO-safe cross-posting
Hashnode

Hashnode publishing targets your own publication, captured automatically when you connect.

Markdown article publishingPublishes to your own publicationCover image from your first attached imageUp to 4 tags
WordPress

WordPress connects with an application password, so it works with any self-hosted site that has the REST API enabled.

Works with any self-hosted WordPress siteFeatured image from your first attached imageApplication password auth (no plugin needed)First caption line becomes the post title
Lemmy

Lemmy posts target a community you choose per post, on any federated instance.

Works with any Lemmy instancePer-post community targetingLink posts with image embedsMarkdown body supportNSFW flag
PDF posts
LinkedIn
Threads
X + Threads
Polls
X + LinkedIn + Telegram + Threads
Stories
Instagram + Facebook
Mentions / tags
Instagram + LinkedIn + Bluesky
Collaborators
Instagram