AI Social Media Caption Generator

Captions for every platform, without the blank-post pause.

Describe the post, pick the platform and a tone. Get back caption options with hashtags and a CTA — sized right for Instagram, TikTok, LinkedIn, Facebook, and X.

5Platforms covered
13Writing styles
30sAvg. generation time
17+Languages supported
Who this actually helps

For the caption box that stalls a whole post.

The photo's edited, the video's cut, the link's ready — and then the caption field sits empty for ten minutes. This closes that gap.

01

You post often, on more than one platform

The same update needs a different length and tone on Instagram, LinkedIn and X. Writing three versions by hand adds up fast.

02

You want options, not one forced answer

A handful of angles — witty, direct, story-driven — makes picking the right one for today's post a lot faster than starting cold.

03

You still add your own voice before it goes live

The draft gets the structure and hook right. You swap in the specific detail that makes it unmistakably your brand's.

What it writes for you

Every platform has its own rules. It knows them.

Same input, tuned differently depending on where it's going — because a LinkedIn caption and a TikTok caption aren't the same job.

Instagram

Hook-first captions under the 150-character fold, with relevant hashtags.

TikTok

Short, question-led lines built to pull comments, not just views.

LinkedIn

Spaced-out professional posts with one clear CTA, sized for the feed.

Facebook

Link-first captions that keep the key detail above the "See more" cut.

X (Twitter)

Front-loaded, keyword-first lines that fit the 280-character limit.

Hashtags

A relevant hashtag set added automatically, not bolted on as an afterthought.

Calls to action

A closing line matched to the goal — comment, share, click, or follow.

Tone control

Witty, direct, warm, or formal — pick the tone before you generate, not after.
How it works

Four steps, idea to posted.

This is the order that gets you a caption worth keeping — skip the brief and every option comes back generic.

01Brief

Describe the post in a line or two

What the post is, who it's for, and the platform it's going on. A specific brief is what separates a sharp caption from a generic one.

~15 sec to fill in
02Generate

Get several angles back, not just one

Witty, direct, story-driven — a handful of options sized right for the platform you picked, hashtags and CTA included.

~30 sec per run
03Edit

Pick the strongest one and make it yours

Swap in the specific detail, drop the emoji you don't like, tighten the line. A minute of editing turns a good draft into your post.

Your call, your voice
04Publish

Post it, and keep the runner-up

Save the other strong options for next week's post instead of starting from a blank box all over again.

Ready to go live
What a draft looks like

Same brief, tuned for the platform.

This one's a LinkedIn draft for a post about boosting B2B sales with social media marketing.

LinkedIn · Direct tone
"B2B buyers scroll past most sales pitches — but not past a well-timed, well-targeted post. Here's the exact framework we use to turn social content into qualified pipeline. Comment 'framework' and I'll send you the breakdown."
#B2BSales#SocialSelling#SalesStrategy
Length: 62 wordsCTA: Comment for detailsEdit time: 60 sec
Good to know

Caption lengths by platform.

Not all platforms play by the same rules. Use this as a quick reference before you generate.

PlatformHard limitSweet spotFirst-line tip
Instagram2,200 chars125–150 charsLead with a hook before the fold
TikTok2,200 chars80–150 charsAsk a question to prompt comments
LinkedIn3,000 chars140–220 wordsUse spacing and one clear CTA
Facebook63,206 chars40–80 wordsKeep the link in the first line
X280 chars100–140 charsFront-load your keywords
Before you post

Do's and don'ts that actually drive engagement.

This is the checklist that separates a caption people stop for from one they scroll past.

✓ Do this

  • Lead with the hook, not the setup
  • Make it obvious in one second who it's for
  • Generate a few options before picking one
  • End with one clear call to action

✕ Skip this

  • Publishing the very first draft untouched
  • Stuffing in hashtags that don't fit the post
  • The same caption copied across every platform
  • Burying the link below three paragraphs
Questions

Frequently asked, honestly answered.

How do I write a caption that actually gets read? +

Know your audience, lead with a hook, and give the post one clear point instead of three vague ones. Generate a few versions before you settle on one — the difference is usually obvious side by side.

Will the caption sound the same every time I run it? +

No. The same brief run twice gives you two different sets of options — treat that as a feature for testing angles, not a bug to work around.

Can it write for platforms other than Instagram? +

Yes — Instagram, TikTok, LinkedIn, Facebook and X each get copy tuned to that platform's length and tone, not one caption stretched to fit everywhere.

Does it add hashtags automatically? +

Yes, a relevant set is included with each draft. Trim it down for platforms like LinkedIn or X where a wall of hashtags reads as spam.

Can I use it for a business account? +

Yes — it works just as well for a brand's content calendar as it does for a personal account, and handles a wide range of industries and niches.

Does it support languages other than English? +

It supports 17+ languages. For customer-facing posts in a less common language, have a native speaker give the draft a quick final read.

Ready when you are

Stop staring at the caption box.

Describe the post, pick a platform and tone, and get options worth posting before your coffee's done.

Generate a caption →