Ucaption — AI Caption Generator

Tracking since Apr 14, 2026.

Changelog

• Apr 22, 2026
  description

  Stop switching tabs to write captions.
  
  Ucaption is the AI caption generator for social media creators, 
  marketers, and agencies. Now it lives in your browser — right-click 
  any image on any website and get a ready-to-post caption in seconds.
  
  ── HOW IT WORKS ──
  
  1. Right-click any image on any page
  2. Select "Generate Ucaption"
  3. Caption appears instantly — copy and post
  
  No switching apps. No uploading files. No interrupting your workflow.
  
  ── CAPTION STYLES ──
  
  Choose from 6 verticals, or let your saved default apply automatically:
  • Fashion
  • Food & Beverage
  • Fitness & Wellness
  • Real Estate
  • Travel
  • Arts & Culture
  
  Your Niche subscribers get their fully custom AI persona applied 
  automatically — your brand voice, your hashtags, your tone.
  
  ── WHO IT'S FOR ──
  
  • Social media managers scheduling content across platforms
  • Content creators captioning images before posting
  • Marketing teams reviewing visual assets
  • Agencies handling multiple client accounts
  
  ── REQUIREMENTS ──
  
  An active Ucaption subscription and API key from ucaption.online/account.
  New to Ucaption? Start with a free demo at ucaption.online.
  
  ── PRIVACY ──
  
  Images are sent to the Ucaption API solely to generate captions. 
  No images are stored. Full privacy policy: ucaption.online/privacy

  Hover over any image. Get three captions. Stay in your flow.
  Move your mouse over any image on Instagram, LinkedIn, or Facebook — a gold ✦ Ucaption button appears instantly. One click generates three ready-to-post captions, right there on the page, tailored to your niche.
  Ucaption lives where your content lives. Browse, spot an image worth captioning, click — and keep going.
  Ucaption — hover, click, caption.
  
  ── CAPTION STYLES ──
  
  Choose from 6 verticals, or let your saved default apply automatically:
  • Fashion
  • Food & Beverage
  • Fitness & Wellness
  • Real Estate
  • Travel
  • Arts & Culture
  
  Your Niche subscribers get their fully custom AI persona applied 
  automatically — your brand voice, your hashtags, your tone.
  
  ── WHO IT'S FOR ──
  
  • Social media managers scheduling content across platforms
  • Content creators captioning images before posting
  • Marketing teams reviewing visual assets
  • Agencies handling multiple client accounts
  
  ── REQUIREMENTS ──
  
  An active Ucaption subscription and API key from ucaption.online/account.
  New to Ucaption? Start with a free demo at ucaption.online.
  
  ── PRIVACY ──
  
  Images are sent to the Ucaption API solely to generate captions. 
  No images are stored. Full privacy policy: ucaption.online/privacy

Permissions & access

Permissions

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Host access

https://ucaption.online/*, <all_urls>

Screenshots