LinkPreview

A tool that generates and customizes Open Graph preview images for your links shared on social media.

Target User

Content creators and marketers who want their shared links to look great

Core Action

Enter a URL, customize the preview image and text that appears when shared on social media

Business Model

Free for 10 previews/mo, $8.99/mo unlimited with templates and analytics

Based on Metatags.io / Placid

Visual preview editor with templates — see exactly how your link will look before sharing

Related Ideas

APIPlayground

A visual tool for testing and debugging API endpoints with automatic documentation generation.

Target User

Backend developers who need to test and document APIs quickly

Core Action

Enter an API endpoint, test it visually, auto-generate documentation from responses

Business Model

Freemium — 50 requests/day free, $12/mo unlimited

Based on Postman / Insomnia

Auto-generates API docs from your test requests, not manual documentation

APIStatus

A dashboard that monitors the status of third-party APIs your app depends on.

Target User

Developers who need to know when a dependency API goes down before their users do

Core Action

Add API endpoints you depend on, get alerts when they go down or slow down

Business Model

Free for 3 endpoints, $9/mo for 25 endpoints with Slack/PagerDuty integration

Based on StatusPage.io / Upptime

Monitors APIs you USE, not your own — know when Stripe or Twilio is having issues

BugBountyBoard

A job board specifically for bug bounty programs and security researcher positions.

Target User

Security researchers looking for bug bounty programs and security jobs

Core Action

Browse active bug bounty programs filtered by technology, payout range, and difficulty

Business Model

Free for researchers, companies pay $99/mo to list their bug bounty program

Based on HackerOne / Bugcrowd

Aggregated bug bounty listings with difficulty ratings and average payout data

CaptionCraft

An AI tool that generates engaging social media captions with hashtags for your photos.

Target User

Small business owners and influencers who struggle to write captions

Core Action

Upload a photo, describe the context, get 5 caption options with relevant hashtags

Business Model

Free for 10 captions/mo, $7.99/mo unlimited with brand voice training

Based on ChatGPT / Later

Photo-aware captions that match the image content, trained to your brand voice

ChangelogBot

An AI that generates changelogs from your git commits and formats them for public release notes.

Target User

SaaS teams who neglect updating their changelog

Core Action

Connect your repo, get a formatted changelog draft after each release

Business Model

Free for public repos, $9/mo per private repo

Based on Keep a Changelog / Headway

AI-written human-readable changelogs from git history, zero manual effort