Caption Generator

Generate engaging captions for your social media posts with trending-style keywords, emojis and calls-to-action. Perfect for Instagram, Twitter/X, Facebook, LinkedIn and TikTok.

Post basics

Describe your post, choose a platform, tone and length. Then generate multiple caption ideas in one click.

Add a short description so the generator can match the context and style of your post.

Some hashtags and tone hints are adapted per platform.

Friendly
Funny
Inspirational
Professional
Sales / CTA

Click to select a tone. You can try different tones for more ideas.

You can always trim or extend the result later.

We’ll try to weave these ideas into your captions and hashtags.

Generated captions

You’ll see up to 3 caption ideas here. Edit, mix and match, then copy your favorite.

Platform: Instagram
Caption 1 β€”
Caption 2 β€”
Caption 3 β€”

Free Online Caption Generator for Social Media

The Caption Generator from PowerSEOTools.online helps you create social-ready captions in seconds. Instead of staring at a blank box on Instagram or TikTok, you can describe your post, choose a tone and platform, and instantly get multiple ideas you can tweak to fit your brand.

Supported Platforms

  • Instagram: Feed posts, carousels, reels and stories.
  • TikTok: Short, punchy captions optimized for the β€œFor You” page.
  • Twitter / X: Snappy copy with limited characters and strong hooks.
  • Facebook: Conversational captions for pages, groups and ads.
  • LinkedIn: More professional, value-focused captions for business audiences.

How to Get the Best Captions

  • Write a clear description of your post or content idea in the β€œWhat is your post about?” box.
  • Select the platform so the tone and hashtags feel native.
  • Pick a tone (friendly, funny, inspirational, professional or sales-focused).
  • Choose how long your caption should be and whether to include emojis, hashtags and call-to-actions.
  • Generate multiple variations and mix the best lines from each one.
  • Always add final brand-specific details, links or tagged accounts before publishing.

Privacy-Friendly and Browser-Based

Everything runs in your browser using JavaScript. We don’t send your captions, ideas or keywords to any server, which makes this tool safe to use for client projects, unreleased campaigns and internal content.

Combine With Other PowerSEOTools.online Utilities

After writing your caption, you can optimize your content using our other tools: check title and description length, generate meta tags, preview Open Graph cards and shorten URLs for cleaner links inside your posts.