Facebook Ad Copy Generator
eCommerce Tools
Generate Facebook ad copy that converts — primary text, headlines and descriptions in seconds. Free, no signup.
The three-part anatomy of a Facebook ad
A Facebook ad is three separate copy jobs sold as one: primary text (the post copy, where only the first ~125 characters show before 'See more' on mobile), the headline (bold under the creative, ~40 characters safe), and the description (fine print, often not shown). Most weak ads treat these as one blob; strong ones give each a distinct job — hook in the text, offer in the headline, reassurance in the description. This generator returns three complete sets built that way.
Facebook ad copy tips
- Spend your effort on the first 125 characters of primary text — that's all mobile shows before the fold, and mobile is ~94% of Facebook usage.
- Call the audience in the first line ('Freelance designers:') — self-selection beats cleverness for stopping the right scroll.
- Put the offer in the headline, concretely: 'Bookkeeping from $49/mo' outperforms 'Simplify your finances' because it survives a half-second glance.
- Write 3–5 genuinely different angles (pain-led, outcome-led, social-proof-led) and let the auction decide — copy testing beats copy polishing.
- Match the ad's promise to the landing page's headline. The click is rented; the mismatch is where conversions die and costs climb.
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Facebook Ad Copy Generator — common questions
Latest questions readers ask us about this topic.
How long should Facebook ad copy be?
Primary text: the hook must land in the first ~125 characters (the mobile fold), though longer copy after the fold can work for considered purchases. Headline: under 40 characters so it doesn't truncate. Description: under 30, and treat it as optional — it doesn't always render. Short and specific wins the feed.
What makes Facebook ad copy convert?
A hook that names the audience or their pain in line one, one concrete offer or outcome (numbers beat adjectives), and one clear CTA — matched to a landing page that keeps the same promise. The copy's job is the qualified click; the page's job is the conversion. Blurring those jobs weakens both.
How many ad variations should I test?
Three to five distinct angles per ad set — different hooks and value framings, not synonym swaps. Give each enough budget to exit learning (roughly 50 conversion events), kill the losers, then iterate on the winner's angle. One 'perfect' ad is a guess; five angles is an experiment.
Related questions
The sub-questions readers ask next — answered, with where to go.
Specificity and tension. A scroll-stopping opener promises a concrete payoff ('the 3-word edit that doubled my reply rate') or opens a loop the reader needs closed — not a vague 'let's talk about engagement'. Front-load it: on most feeds only the first line shows before a cut-off, so the hook has to do its work there. Test several angles for the same post; the winner is rarely the one you'd have guessed.
Style your opening lineMatch the length to the job, then check it against the limit. Instagram captions can run long for storytelling but the hook must land in the first ~125 characters before 'more'; X/Twitter rewards tight, standalone lines; LinkedIn truncates around two lines. TikTok and Reels captions are short by nature. The reliable move is to draft freely, then trim against a live counter so nothing important gets cut.
Check the limit liveFewer, and more relevant, than the old advice. The era of 30 generic tags is over — most platforms now reward a small set (roughly 3–8) that genuinely describe the post, mixing one or two broad tags with several specific, lower-competition ones. Stuffing tags reads as spammy and can suppress reach. Put them where they don't interrupt the read: end of the caption or first comment.
Read the content hubTreat the bio as a one-line pitch, not a résumé. Open with who you help and the outcome they get, add a single proof point, and close with a reason to follow or a clear next step. Keep it skimmable, lead with the words people would search, and reserve any styled text for one emphasised phrase. Links and @mentions stay plain so they stay clickable.
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