Free AI tool

AI Caption & Hashtag Generator

Describe your post, pick a platform and tone, and get five scroll-stopping captions plus a set of matching hashtags — ready to copy and post.

Quick answer

An AI caption generator turns a short description of your post into ready-to-use social captions. Type what your post is about, choose a platform (Instagram, TikTok, LinkedIn, X, Facebook or YouTube) and a tone, then generate. In seconds you get five distinct captions plus 10–15 relevant hashtags — copy the whole set with one tap, tweak your favourite, and post.

Why captions and hashtags matter

A great photo or video only does half the work — the caption is what stops the scroll, adds context and prompts people to like, save, comment or click. Hashtags then decide how far that post travels, helping the right audiences discover you beyond your existing followers. Writing both well, for every post, is one of the most time-consuming parts of social media. This tool takes a plain-English description of your post and does the heavy lifting, giving you several angles to choose from instead of a blank box and a blinking cursor.

How to write a caption that performs

Strong captions usually open with a hook— a question, bold claim or relatable line that earns the next second of attention. Keep the middle tight, write the way you speak, and finish with a clear call to actionsuch as “save this for later” or “tell us in the comments”. Match the length to the platform: punchy for TikTok and X, a little more room to tell a story on Instagram, and a more professional, value-first angle on LinkedIn. Choosing a tone above — Fun, Professional, Inspirational, Witty or Bold — nudges the AI toward exactly that style.

Getting the most from hashtags

Hashtags work best when they mix reach and relevance: a few broad tags, several niche ones that describe your exact topic, and where it fits, a branded tag of your own. More is not always better — a tight, well-chosen set often outperforms 30 generic tags. Instagram and TikTok reward a fuller list, while LinkedIn and X tend to do better with just three to five. Treat the generated set as a smart starting point and trim it to suit each channel.

Tips for better results

The more specific your brief, the sharper the captions. Mention the product or subject, who it's for, the vibe you want and any offer or launch detail. Generate a set, then run it again with a different tone to compare styles side by side. Always give the output a quick human edit — add your handle or link, confirm any claims, and make sure the voice sounds like you before you hit publish.

Frequently asked questions

Is the caption generator free to use?+

Yes. You can generate captions and hashtags for Instagram, TikTok, LinkedIn, X, Facebook and YouTube for free — no sign-up, no credit card and no per-post limit. Just describe your post, choose a platform and tone, and generate as many sets as you like.

Which platforms and tones does it support?+

You can tailor captions for Instagram, TikTok, LinkedIn, X (Twitter), Facebook and YouTube, in five tones: Fun, Professional, Inspirational, Witty and Bold. Each combination changes the length, style and hashtag mix so the result fits where you're posting.

How many hashtags does it generate?+

Every result includes a set of roughly 10–15 relevant hashtags chosen to match your topic and platform. You can copy them all with one click and trim the list to suit each platform's best practice — for example, a handful on LinkedIn or X and more on Instagram.

Can I add emojis to my captions?+

Yes. There's an 'Include emojis' toggle. Leave it on for playful, scroll-stopping captions with tasteful emojis, or switch it off for a cleaner, text-only look that suits more formal LinkedIn or B2B posts.

Should I edit the captions before posting?+

It's a good idea. The AI gives you five strong starting points, but the best captions reflect your own voice, offer and call to action. Pick your favourite, tweak the wording, add your link or handle, and double-check any facts or claims before you publish.

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