Generates Viral Hashtags

Let AI find what’s trending — so you don’t have to.

What’s Your Input Style Today?
Upload Media

Drag & drop image here

or

Hashtag Research
Enter Hashtag/Keyword

Hashtag settings

Hang tight, tags are coming ✨

Your AI-generated hashtags will appear here. They'll match the platform and content style you selected.

Why Use Our Hashtag Generator?

Boost your social media presence with data-driven hashtag suggestions

Boost Engagement

Increase your reach with trending and relevant hashtags

Trending Tags

Get the most popular hashtags for maximum visibility

Save Time

Generate relevant hashtags in seconds

Free AI Caption Generator, Hashtag Tool & Image Comparison for Social Media

Boost your content with AI using TrndBird — the free AI-powered caption generator, hashtag suggestion tool, and image comparison platform for all major social media platforms including Instagram, LinkedIn, Facebook, and X (Twitter). Whether you're a creator, marketer, or brand, generate captions that engage, find relevant hashtags, and decide which image to post — all in seconds.

🔥 Feature Highlights

  • Cross-Platform Caption Generator: Create engaging, platform-specific captions for Instagram, Facebook, LinkedIn, and X (Twitter) in seconds using AI.
  • Hashtag Suggestion Tool: Get 8–12 smart hashtags tailored to your post and platform to increase reach and visibility.
  • Image Comparison Feature: Upload two photos and compare them side-by-side to see which image works best for your audience.
  • Recent Captions History: Keep track of your latest generated captions and re-use your favorites.
  • Tone Selector: Pick from tones like Witty, Bold, Playful, or Serious — your content, your style.
  • Prompt-to-Caption: Don’t have a photo? Just describe your idea — TrndBird will generate a caption and hashtags from text alone.
  • No Login Required: Use everything for free without creating an account.

🚀 How to Use TrndBird

  1. Upload an Image or Enter a Prompt: Start by choosing your content.
  2. Select Tone and Platform: Customize your caption style and target platform for better reach.
  3. Click Generate: Let our AI deliver a creative, relevant caption and matching hashtags.
  4. Compare Images (Optional): Upload a second image and use our compare tool to see which version works best.
  5. Copy and Post: Use the "Copy" buttons to quickly move your content to your social media app.

💡 Why TrndBird is a Game-Changer

  • AI-Powered Efficiency: Save hours of brainstorming and editing with intelligent suggestions in seconds.
  • Boost Engagement: Captions and hashtags are crafted to improve visibility, engagement, and click-throughs.
  • Content Clarity: Use image comparison to finalize your best content before posting.
  • Completely Free: Use all features without signing up or paying a dime.
  • Designed for Creators & Brands: From personal brands to agencies, TrndBird speeds up every workflow.

📈 Rank Higher, Reach Farther

Whether you're growing a brand, managing a campaign, or simply trying to stand out in the feed, TrndBird helps you post smarter, faster, and with impact. Our SEO-optimized, platform-aware captions increase visibility across Instagram, LinkedIn, Twitter (X), and Facebook.

❓ FAQs

How does the AI caption generator work?

We use GPT-4 to analyze your uploaded image or text prompt and generate relevant, high-performing captions and hashtags.

Do I need to create an account to use TrndBird?

No signup is required. All features are accessible instantly for free.

What is the image comparison tool used for?

It helps you compare two images to decide which one looks better or performs better before posting.

Is my data or image saved?

No, we do not store any images or personal data. Everything is processed securely and locally.

Try the best free AI caption generator for Instagram, LinkedIn, Facebook, and X (Twitter). Instantly create image-based captions, discover top-performing hashtags, and use our image comparison tool to choose the best photo to post. No signup needed — get started now and boost your social media impact.