AntiGPT

Humanize AI social media captions

AI captions are fluent and forgettable: a tidy sentence, three hashtags of decreasing relevance, and an emoji. Every account using the same tool sounds the same, and audiences tune it out. AntiGPT rewrites captions so they sound like your account has a personality (plainer, more specific, and sized for the platform) while you keep control of the one detail that makes a post worth sharing.

Why AI captions blend in

A model writes to the average of all captions, which means yours reads like everyone else's. It reaches for safe adjectives, generic calls to action ('Check it out! 🔥'), and hashtag stuffing. Aggressive mode with Marketing readability strips that back to something plainer and more human, with the rhythm of a person typing rather than a template filling a field.

Captions live or die on specificity and timing. The rewrite makes the caption sound human; you supply the specific hook: the behind-the-scenes detail, the honest aside, the actual reason this post exists today.

Per-platform habits

The same idea wants a different shape on each platform: a dry one-liner on X, a warmer first-person note on Instagram, a plain informative caption on LinkedIn, a hook-first line for a TikTok or Reel. Humanize the caption, then trim it to the platform. Most captions are too long, and the rewrite gives you room to cut. Keep any handle, hashtag campaign, or disclosure (#ad) exactly as required.

Captions are tiny, so a week of them fits the free monthly allowance. Draft a batch, humanize them, and keep the ones that sound like you; over time you'll internalise the openings that work.

Stay honest and compliant

Disclosures matter: if a post is an ad or a gift, the #ad or 'paid partnership' label must stay, and a rewrite must not bury it. Any claim in a caption should be true. A smoother sentence doesn't make an exaggeration acceptable. Humanizing tends to make captions more specific, which surfaces vague claims rather than hiding them.

Read the caption as a follower who sees a hundred a day. The one that names something real (a flaw, a price, a genuine reason to care) is the one that stops the scroll.

Consistency of voice

Hold one readability setting for an account so its captions sound like one person across weeks. Consistency is what turns a feed of posts into a recognisable voice, and it's the thing generic AI captions can never build. A follower should be able to guess it's you before they see the handle. That recognition is built one specific, plainly-written caption at a time, and it compounds the way a generic feed never does.

Save the captions that performed and look at what they had in common: usually a concrete detail in the first few words and no wasted phrase after it. Feed that pattern back into your next drafts and let the rewrite tighten the rest.

A worked example

Before

Introducing our brand new summer collection! ☀️ Elevate your style with these must-have pieces. Don't miss out. Shop now! 🛍️ #fashion #style #summer #ootd #shopping #trending #musthave

After

the linen shirts are back and this time they don't wrinkle if you look at them wrong. that was the whole brief to the factory. in three colours, up now. #linen #madeinghana

Lowercase, one honest and specific claim (the wrinkle fix, framed as the actual brief), two relevant hashtags instead of seven. It sounds like a person who runs the account, not a caption generator.

Try it on your own text

Recommended strength for this use: Strong. Free plan: 300 words a month.

Input

or try a sample:
0 / 300 words

Humanized

Your humanized text appears here

Detector scores are estimates from third-party classifiers and change as those tools update. No text can be guaranteed to pass any detector. Use this to improve your writing, and follow your institution's or employer's rules on AI use.

Questions

Which setting for captions?

Aggressive with Marketing readability, then trim hard to the platform. Most captions are too long.

Will it keep my #ad disclosure?

Keep required labels and campaign hashtags out of the rewrite or reinsert them; a disclosure must never be buried.

Do captions cost many words?

No. A week of captions fits the free monthly allowance, so it's a cheap place to find your voice.