Meta's ad format is deceptively simple: 125-character primary text, 40-character headline, 125-character description. Get any of those wrong and your copy truncates. Jupitron generates multiple variations from any URL — all within Meta's recommended limits.
Meta Ads (Facebook and Instagram) use a deceptively simple format: primary text (125 chars recommended), a headline (40 chars recommended), and a description (125 chars recommended). Exceed those limits and your copy gets cut off mid-sentence. Jupitron generates multiple variations of each from any URL, all optimized for engagement and validated against Meta's character guidelines.
| Spec | Value |
|---|---|
| Primary text variations | 3 (125 chars recommended) |
| Headlines generated | 5 (40 chars recommended) |
| Descriptions generated | 3 (125 chars recommended) |
| Character validation | Automatic against Meta guidelines |
| Platforms | Facebook Feed, Instagram Feed, Stories |
| Generation time | ~30 seconds |
| Languages supported | 25+ (auto-detected) |
Copy is written for Meta's feed format — concise, scroll-stopping, and action-oriented.
Get multiple primary text, headline, and description variations to A/B test in your campaigns.
Automatically validates against Meta's recommended character limits to prevent text truncation.
Paste any product or landing page URL — the AI extracts key selling points automatically.
Generated copy works across Facebook Feed, Instagram Feed, and Stories placements.
AI writes copy optimized for clicks and conversions, not just information delivery.
Primary Text 1 · 113/125 chars
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Headline 1 · 24/40 chars
AI Ad Copy in 30 Seconds
Headline 2 · 22/40 chars
Free Ad Copy Generator
Description 1 · 100/125 chars
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Yes. Jupitron generates Meta ad copy that works across Facebook Feed, Instagram Feed, and Stories. The copy includes primary text, headlines, and descriptions in Meta's ad format.
Jupitron follows Meta's recommended limits: 125 characters for primary text, 40 characters for headlines, and 125 characters for descriptions. Text within these limits avoids truncation in most placements.
Yes. Meta Ads Manager serves ads across Facebook and Instagram from the same ad set. The copy Jupitron generates works for both platforms.
Jupitron generates 3 primary text variations, 5 headlines, and 3 descriptions — giving you multiple options to test in your campaigns.