Create. Schedule. Grow.
The AI content & marketing platform built for solo founders and SaaS teams. Generate blogs, videos, images, and social content — then publish in one click.
From blank page to published content
Cast Fleet compresses a week of marketing work into an afternoon.
Research in seconds
Paste your topic. Cast Fleet runs keyword research, pulls PAA questions, checks what top-ranking pages do, and hands you a brief — all before you write a word.
Generate the full pack
One click produces a 1,500-word blog, LinkedIn post, X article, Instagram caption, 5 hashtags, and a meta description — each tuned for its platform.
Localise for 6 languages
Spanish, French, German, Portuguese, Chinese — your content ships in all six markets simultaneously. Each variant is indexed separately by Google.
Measure and improve
Track engagement rate, ROAS, reach, and CTR across platforms. Let the data tell you what to double down on — and what to cut.
AI Content Studio
Generate blogs, scripts, images, and video in minutes. Powered by the latest AI models.
Analytics Dashboard
Track performance across YouTube, Instagram, TikTok, LinkedIn, and more in one place.
Content Calendar
Plan, schedule, and manage your content across every platform with an AI-assisted calendar.
Use Cast Fleet from inside Claude & ChatGPT
Cast Fleet exposes 13 tools via the Model Context Protocol (MCP) — engage rate calculations, ROAS analysis, TikTok earnings estimates, and AI content generation are all available directly inside Claude Desktop, ChatGPT, and any MCP-compatible AI agent.
Alex AI assistant
GPT-4o chat, built in
MCP server
13 tools for AI agents
AI generation
Blog, social, video, images
Free Marketing Tools
Powerful, free, and client-side — your data never leaves your browser.
YouTube Thumbnail Size & Resizer
Check the exact YouTube thumbnail size — 1280×720 pixels at 16:9 aspect ratio — and resize any image to fit instantly. Also covers YouTube Shorts thumbnail dimensions and the 2 MB file size limit.
Generate AI thumbnailsEngagement Rate Calculator
Free engagement rate calculator for Instagram, TikTok, YouTube, Facebook, and LinkedIn. Enter follower count and interactions to get your rate instantly using each platform's formula. Benchmark your results against industry averages.
Analyse with AISocial Media Image Size Guide & Resizer
Every social media image size you need in 2026: Instagram post, story, and reel dimensions, YouTube thumbnail, TikTok, X (Twitter), LinkedIn, Facebook, and Pinterest. Includes a free resizer to export any image at the exact pixel spec.
Generate AI imagesHow Cast Fleet works
From idea to published content in three steps — backed by real SEO data.
Research with free tools
Use 19 free calculators and analytics tools to find what content your audience responds to.
Generate with AI
Create a full marketing pack — blog, social copy, thumbnails, and video — in minutes with AI.
Publish and measure
Schedule to all platforms, track performance, and repurpose your best content automatically.
47,000+
Users this month
10+
Free tools
200K+
Calculations run
What founders are saying
Cast Fleet saved me 10+ hours a week on content. The tools are genuinely useful, not just AI fluff.
Sarah K.
SaaS founder
The engagement rate calculator alone is worth it. Clean UI, fast, no sign-up required.
Marcus T.
Content creator
My clients love the free tools. The UTM builder is the best one I've found — no bloat, just works.
Priya R.
Marketing consultant
Ready to scale your content?
Join thousands of solo founders and SaaS teams using Cast Fleet to grow faster with AI.
Get started for free