Postmine
Capture trending posts and instantly turn them into a week's worth of ready-to-publish content with AI.
Visit
About Postmine
Postmine is your all-in-one content creation engine that turns viral social media discussions into a full week's worth of content in under 30 seconds. It starts with a simple Chrome Extension that lets you right-click any trending post on LinkedIn, Reddit, Facebook, or X (Twitter) and capture it instantly. The magic happens when Postmine's AI transforms that single discussion into seven different, platform-ready pieces: a blog post, a LinkedIn article, a Twitter thread, a Facebook post, an Instagram caption, a Reddit post, and an FAQ. No more staring at a blank page. It's built for anyone who spots a great conversation online and thinks, "This would make an amazing post," but doesn't have hours to write and adapt it. Content creators, social media managers, marketing teams, solopreneurs, and freelance writers can all save over 5 hours per week. With features like Brand Voice Profiles to keep your content authentic, a built-in Content Calendar for scheduling, and the flexibility to use your own AI API key, Postmine gives you complete control from capture to publication.
Features of Postmine
One-Click Chrome Extension Capture
The heart of Postmine is its intuitive Chrome Extension. Simply browse your social feeds as normal. When you see a post with great engagement or an interesting discussion, just right-click it and select "Generate Content Pack" from the menu. The extension captures the post instantly without you having to leave the page or switch tabs, making the process seamless and incredibly fast.
7-Format AI Content Generation
This is where Postmine saves you hours of work. Once you capture a post, the AI analyzes the discussion and automatically generates a complete content pack with seven different pieces, each optimized for a specific platform. You get a detailed blog post, a professional LinkedIn article, a punchy Twitter thread, a friendly Facebook post, an engaging Instagram caption with hashtags, a community-focused Reddit post, and a helpful FAQ. It's all done in under 30 seconds.
Custom Brand Voice Profiles
Tired of generic-sounding AI content? Postmine lets you define your unique Brand Voice. You can set your preferred tone (like professional, casual, or witty), specify your target audience, list key phrases you always use, and even note terms to avoid. Once saved, every piece of content generated will sound authentically like you or your brand, maintaining consistency across all your channels.
Built-in Content Calendar & Bulk Capture
Postmine isn't just a generator; it's a full content management system. The built-in Content Calendar lets you schedule your generated pieces, track what's coming up, and mark items as published. For power users, Bulk Capture Mode allows you to select multiple posts from your feed at once and batch-generate content packs for all of them, perfect for planning your entire week in one sitting.
Use Cases of Postmine
For the Social Media Manager
A social media manager responsible for multiple platforms can use Postmine to radically speed up their workflow. Instead of manually crafting unique posts for LinkedIn, Twitter, and Instagram from a single idea, they can capture a viral industry tweet and instantly have a week's worth of varied, platform-optimized content ready to schedule in their calendar, ensuring consistent posting with a unified brand voice.
For the Solopreneur or Consultant
Solopreneurs wearing many hats need to maximize their content output without sacrificing their personal touch. With Postmine, a consultant can right-click a insightful comment from a LinkedIn discussion they're part of, generate a content pack, and quickly have a professional blog post to publish on their site and complementary social posts to share their expertise, all while sounding exactly like them.
For Content and Marketing Teams
Marketing teams can use Postmine to fuel their content engine. A team member can use Bulk Capture to gather the week's most relevant Reddit threads and industry LinkedIn posts. In minutes, they have a repository of blog post ideas, social captions, and FAQ content that addresses exactly what their audience is talking about, making their strategy more agile and responsive.
For the Freelance Writer
A freelance writer creating content for clients can use Postmine to research and ideate faster. They can capture trending discussions in their client's niche and use the generated blog post as a high-quality first draft or detailed outline. The accompanying social media pieces can be presented as a bonus, adding extra value to their service package and impressing their clients.
Frequently Asked Questions
What social platforms does the Chrome Extension work with?
The Postmine Chrome Extension currently works directly on LinkedIn, Reddit, Facebook, and X (Twitter). These are the platforms where you can right-click a post and use the "Generate Content Pack" option instantly. Content is then generated for a wider range of platforms, including Instagram and your blog.
Can I use my own AI API key with Postmine?
Absolutely. Postmine offers a "Bring Your Own Key" (BYOK) model. You can connect your own API keys from providers like OpenAI, Claude, Gemini, or DeepSeek. This gives you full control over your AI costs and allows you to use the specific AI model you prefer and trust for generating your content.
How does the AI Relevance Scoring work?
When you capture a post, Postmine's AI automatically analyzes it and assigns a relevance score. This score helps you quickly identify which discussions have the highest potential for engaging content. It looks at factors like the depth of conversation, popularity, and thematic relevance, so you can focus your efforts on the posts that are truly worth repurposing.
What happens after my $1 trial ends?
The $1 trial gives you full access to the Starter plan features for 7 days. If you don't cancel, your subscription will automatically convert to the standard monthly Starter plan at $49 per month. You can cancel anytime before the 7-day trial ends to avoid being charged. There is also a flexible 10-Day Pass option for a one-time fee if you just need short-term access.
Pricing of Postmine
Postmine offers simple, flexible pricing to suit different needs. You can start with a $1 trial for 7 days of full Starter plan access, which then converts to $49/month. For a short-term project, the 10-Day Pass is a one-time $10 fee for 50 content packs with no subscription. There is also a Limited Lifetime Deal available for a one-time payment of $149. All plans include access to all platforms, the Chrome Extension, and Brand Voice features. You can cancel the monthly plan anytime.
Explore more in this category:
Top Alternatives to Postmine
Donely
Manage unlimited OpenClaw instances
Scribora
Scribora turns notes, links, transcripts, and voice memos into structured nonfiction ebooks, guides, and lead magnets - with outlines, draft chapters,
Linkedin Pinpoint Answer
LinkedIn Pinpoint Answer provides daily solutions, hints, and strategies for all LinkedIn games to help you master puzzles and keep your streak alive.
Free Barcode Generator Online — Code 128, EAN-13, QR Code & More
Create barcodes instantly online for free with support for Code 128, QR codes, and 20+ formats, no signup required.
Wild and Free Tools
Wild and Free Tools gives you over 357 browser-based AI and utility tools with no signups, limits, or upsells.
Briefdeo
Briefdeo streamlines video production by automating documentation from kickoff to delivery, centralizing your workflow in one easy platform.
Transcrisper
Transcrisper is a free, secure tool that transcribes audio and video files directly in your browser, ensuring complete privacy and accuracy.