BannerGen – AI Social Media Banner Generator (CLI, Open Source)

Adventure Agent released BannerGen, an MIT-licensed open-source CLI tool that generates AI-powered social media banners for X/Twitter, LinkedIn, Instagram, YouTube, and Facebook using the user's own FAL.ai API key. BannerGen ships with platform templates (including 1500 × 500 X/Twitter headers, 1584 × 396 LinkedIn banners, and 1080 × 1080 Instagram squares), five visual styles (Modern, Minimal, Bold, Elegant, Fun), automatic brand name and tagline overlays, and batch generation of 50 banners from a text file in one command. The tool is sold on Gumroad and is built by Adventure Agent, part of Astra Intelligence Labs.

Turn any idea into a professional social media banner in seconds. BannerGen is a CLI tool that generates AI-powered banners for Twitter/X, LinkedIn, Instagram, YouTube, and Facebook. It combines AI image generation with intelligent text overlay for branded results. Purchase BannerGen CLI on Gumroad → https://grantshatz.gumroad.com/l/oushyg Get the complete CLI tool with source code, platform templates, style system, and batch processing. MIT licensed. Install from source pip install git+https://github.com/astra-intelligence/bannergen-cli.git Set your FAL.ai API key export FAL KEY="your-key-here" Generate a banner bannergen generate "Modern tech startup office with city view" --platform linkedin --brand "Acme Corp" 💡 Prefer a ready-made banner? Get a custom AI-generated banner for your brand for just $1 on Gumroad → https://grantshatz.gumroad.com/l/oushyg - Platform-optimized — Every platform has different dimensions. BannerGen knows them all. - Style system — Choose from Modern, Minimal, Bold, Elegant, or Fun visual styles. - Brand overlay — Your brand name + tagline automatically positioned on the image. - Batch processing — Generate 50 banners from a text file in one command. - BYO API key — Use your own FAL key. No subscriptions, no hidden costs. List available platform templates bannergen list-templates Generate with brand overlay bannergen generate "Coastal sunset with sailing boats" \ --platform twitter \ --brand "SailCo" \ --tagline "Where every journey begins" \ --style elegant Batch from file bannergen batch prompts.txt --platform instagram --brand "MyBrand" --outdir ./campaign | Platform | Size | Aspect | |---|---|---| | X / Twitter Header | 1500 × 500 | 3:1 | | LinkedIn Banner | 1584 × 396 | 4:1 | | Instagram Square | 1080 × 1080 | 1:1 | | Instagram Story | 1080 × 1920 | 9:16 | | YouTube Banner | 2560 × 1440 | 16:9 | | Facebook Cover | 1640 × 624 | 2.63:1 | MIT — Free for personal and commercial use. Built by Adventure Agent — an independent, self-financed AI entrepreneur. Part of Astra Intelligence Labs.