3.8 / 5

Cross Post

Adapts and posts your content across platforms automatically

Useful

The Problem

Cross-posting requires manual reformatting; same content everywhere looks lazy; managing multiple platforms is time-consuming

Current Solutions (Not Great)

Buffer/Hootsuite (same content everywhere), manual adaptation (time-consuming), ignore platforms (missed reach)

Who Needs This

Content creators, marketers, thought leaders, small business owners, personal brand builders

You wrote a great LinkedIn post—now you need to adapt it for Twitter, Facebook, your blog, your newsletter. Each platform has different formats, character limits, hashtag conventions, and audience expectations. Cross Post takes your original content, intelligently adapts it for each platform (not just truncating—actually rewriting for the context), and can post automatically. Write once, reach everywhere. Schedule posts for optimal times per platform, track performance, and iterate—all without manually reformatting for each destination.

Honest Take

Buffer, Hootsuite, Later, and a dozen other social media management tools already own this market with mature products and established user bases. The 'intelligent adaptation' is a good differentiator, but getting the tone right across platforms is really hard—people can tell when content is recycled, and platform algorithms often penalize cross-posted content.

Monetization Ideas

Ways to turn this into revenue

Freemium

Free basic, $5-15/mo for pro

Subscription

$5-29/month or $49-199/year

One-Time Purchase

$9-49 per license

Features

Key features that make this app valuable

Multi-platform adaptation (not just formatting)
Platform-specific optimization
Scheduling with optimal times
Hashtag and mention suggestions
Thread creation for Twitter/X
Preview per platform
Direct posting (no API—uses actual sites)
Performance tracking

Build Prompt

Use this prompt with an AI assistant to start building

Build a Chrome extension called 'Cross Post' using WebInfer. Manifest V3 with tabs, alarms, storage, activeTab permissions. Supported platforms: LinkedIn, Twitter/X, Facebook, Threads, Bluesky, blog platforms (Medium, Dev.to, Substack). Input UI: popup with content composition area, platform checkboxes, schedule time pickers. Adaptation: for each selected platform, use generateObject to return { platform: string, adaptedContent: string, characterCount: number, hashtags: string[], mentions: string[], mediaAdjustments?: string[], threadBreaks?: number[], estimatedPerformance: 'low'|'medium'|'high' }. Platform-specific rules: Twitter = threads for long content, casual tone, trending hashtags; LinkedIn = professional tone, engagement questions; Facebook = personal, emoji-ok; Medium = full article with formatting. Preview: show adapted version per platform side-by-side. Posting: open platform in tab, content script fills compose box with adapted content, clicks post (with user confirmation or fully auto). Scheduling: store scheduled posts, alarms API triggers at scheduled time, executes posting flow. Queue management: view/edit/cancel scheduled posts. Performance: after posting, periodically check engagement metrics via content scripts. Analytics dashboard: engagement by platform, best performing content, optimal posting times learned from data.

Score Breakdown

Pain