AI Caption & Hashtag Writer
FreeGenerate engaging captions and trending hashtags for Instagram, TikTok, LinkedIn.
What is AI Caption & Hashtag Writer?
NexGen AI Caption & Hashtag Writer turns a one-line description of your post into five numbered caption options plus a block of fifteen hashtag suggestions. You describe what is in the photo or reel — a chai stall at sunrise, a college fest after-movie, a Diwali sale at your boutique — say which platform it is going on, and Google Gemini drafts the captions. Instagram, Reels, LinkedIn, X, YouTube Shorts and Facebook each get a different treatment if you name them. The hashtags are suggestions, not live trend data, and platforms change their rules about hashtag counts often, so treat the list as a starting point you trim. Free, no account, with a daily cap of 20 generations.
How to use
Describe your post: what is in the photo or video, the mood, and which platform it is going on
Click Generate. You get five numbered captions followed by a list of fifteen hashtags
Copy the caption you like, trim the hashtags to what the platform allows, and paste it into the app
What people use AI Caption & Hashtag Writer for
A college fest page posting every day for a week
The fest's Instagram admin has sponsors to tag, a schedule to push and five events a day. Pasting 'Day 2: robotics workshop, 200 seats, starts 10am, tag the sponsor' and picking one of five captions is faster than the group chat arguing over wording. Batch the whole week in one sitting — the daily cap of 20 covers it.
A boutique's Diwali sale on Instagram and WhatsApp
A small shop needs the same offer written three ways: a punchy Reels caption, a plainer Facebook post for older customers, and a one-line WhatsApp status. Describe the offer once — 'Diwali sale, 30% off kurta sets, Jaipur pickup or courier, ends Sunday' — and generate once per platform, naming it each time.
Reels where the first line is the whole game
On Reels and Shorts the caption is cut off after a few words, so the opening matters more than everything after it. Ask for 'first line under 6 words' and you get five different hooks to compare instead of one long caption you would have to shorten yourself.
LinkedIn posts from someone who hates writing them
Engineers and founders who want to post about a launch or a new job often freeze at the caption box. Say 'LinkedIn, professional but not stiff, no emoji, about shipping our first Android release' and edit the one of five that sounds most like you. Add the actual outcome yourself — the model only knows what you typed.
Examples
You type
Instagram Reel of my mother making gajar ka halwa in our kitchen in Lucknow, winter evening vibe, Hinglish captions, food account with mostly Indian followers
You get
Five captions of different lengths — one nostalgic, one funny, one that opens with a question — all in Hinglish, followed by fifteen hashtags mixing broad food tags with Indian-specific ones. You keep the caption that sounds like your own voice and cut the hashtag list down to the eight or ten that fit.
You type
LinkedIn post: our 4-person team in Pune shipped the first version of our billing app for kirana stores after 6 months. Tone: proud but not cringe. No emoji. 3 hashtags max.
You get
Five openings that lead with the kirana angle rather than 'thrilled to announce', kept emoji-free as asked, with a short hashtag list. The useful part is that the variation is in the first line, which is the only part LinkedIn shows before the 'see more' fold.
Getting better results
- \u2022Name the platform every time. A caption that works on Instagram reads as juvenile on LinkedIn and gets truncated on X.
- \u2022Describe what is visible, not just the topic. 'Sunset' gives generic lines; 'sunset from Marine Drive, monsoon clouds, friend laughing in the corner' gives something that matches the photo.
- \u2022Ask for the language explicitly — 'Hinglish', 'pure Hindi' or 'English'. A mixed prompt can come back in any of the three.
- \u2022Cut the hashtag list before posting. Fifteen is the number generated, not the number to use, and some words have been taken over by unrelated content — check each tag once on the platform.
- \u2022Add the call to action yourself. 'Link in bio', 'DM for price' or 'tag someone from Delhi' is specific to your account, and the model can only guess at it.
Limits and your input
Free use: 20 generations per day. The limit resets each day. No account and no payment is required.
Your input is sent to Google Gemini to generate a response. We do not store your prompts. Avoid entering confidential information.
Output is AI-generated text. Verify facts, dates and figures before relying on them.
Frequently asked questions
Which social media platforms does it support?
Any platform you name in the input. Instagram, Reels, LinkedIn, X (Twitter), YouTube, Facebook and Pinterest get different captions because their audiences read differently — LinkedIn wants a first line that works as a hook without emoji, Instagram tolerates more. If you do not name one, the output leans towards Instagram.
Are the hashtags actually trending?
No. The tool has no live feed of what is trending today. It suggests hashtags that are commonly used for content like yours, which is useful for niche and mid-size tags but not for anything tied to this week's news. Check the hashtag's page on the platform before you post, and drop any that turn out to be spammy or unrelated.
Can I get captions in Hindi or Hinglish?
Yes. Switch the page to Hindi and the captions come back in Devanagari. For Hinglish — Hindi words in Roman letters, the way most reels are captioned — stay in English mode and write 'Hinglish captions' in your description.
How many hashtags should I actually use?
Fewer than the fifteen you get. Instagram's own guidance has changed several times, LinkedIn posts look odd with more than three or four, and X gives you almost no room. Pick the ones that match the post most closely and leave the rest. The fifteen are there so you have a choice, not a target.
How many captions can I generate per day?
20 generations per day for free, with no account. Each click returns five captions, so that is up to a hundred caption options a day — enough to batch a full week of posts for a page in one sitting.