The template
The structure to copy and adapt
- Platform + native voiceRequiredSpecific platform AND its native voice. 'TikTok For You - creator-first, vertical, sound-on, no brand polish.' 'LinkedIn newsfeed - first-person narrative, professional but specific, no jargon.' The platform shapes everything.
- Objective + measurement windowRequiredOne outcome, one metric, one window. 'Cold acquisition - 1,500 starter sales at CAC under $30 over 8 weeks.' Social metrics drift fast; name the window.
- Audience (signal-backed)RequiredBehavioral, with the signal source. 'Engaged with competitor brand content last 60 days' beats 'interested in fitness'. Cite the signal so the media buyer can build the audience.
- First-frame constraintRequiredWhat MUST appear in the first 1-2 seconds. The single highest-leverage field in social media briefs. 'First frame must show creator's face' or 'First frame must show product in motion'.
- Hook archetype (platform-specific)RequiredNamed archetype tuned to platform. TikTok: POV, day-in-the-life, green-screen reaction. LinkedIn: thought-leader narrative, contrarian take, case study. Meta: problem→solution, demo, testimonial.
- Do-nots (platform-specific)Required5-7 platform-specific exclusions. TikTok: no studio polish. LinkedIn: no corporate boilerplate. Meta: no 'hydration is important' generic copy. Generic do-nots don't help.
- Aspect ratios + length variantsRequiredRatio matrix: 9:16 (Reels, Stories, TikTok), 4:5 (Feed), 1:1 (where required). Length variants: 15s, 30s, 60s. Specify which is hero, which is cutdown.
- Sound + caption strategySound-on vs sound-off optimized. Whether captions are baked-in, auto-generated, or absent. Different per platform - TikTok is sound-on default, Meta is sound-off default.
- Mandatories (FTC + brand + CTA)FTC disclosure placement (last-3-seconds for video, last-line of caption for static), brand lockup rules, required CTA copy. Disclosure-as-afterthought triggers takedowns.
Filled-in examples
See the template in use
Meta paid social - DTC starter-pack acquisition · DTC ecommerce
- Platform + native voiceMeta Reels (primary), Facebook Feed (secondary). Native voice: documentary-leaning, real environments, sound-off optimized with captions baked in. Not creator-led, not brand-polished.
- ObjectiveCold acquisition. 1,500 starter-bundle purchases this quarter at blended CAC under $30. Measurement window: 8 weeks, attribution model: Meta first-party + post-click GA4.
- AudienceEndurance athletes 28-45 training 5+ hours/week. Lookalikes off top-25% LTV cohort. Signal: engaged with at least one competitor brand's content in last 60 days.
- First-frame constraintFirst frame must show audience pain (mile-18 cramp, mid-marathon bonk) in a real environment. No studio, no logo card, no slow build.
- Hook archetypeProblem→solution. Pain in seconds 0-3. Product reveal by 0:04. Quick benefit demo to 0:10. CTA in last 3 seconds.
- Do-notsNo price-led hook. No bottle-shot static. No founder-to-camera. No 'hydration is important' generic copy. No discount as lede. No urban environments. No 4K studio polish.
- Aspect ratios + length9:16 hero (Reels + Stories). 4:5 cutdown (Feed). 15s and 30s variants. 6 ad variants total per concept.
Shuttergen
Generate platform-native social briefs - not generic ones.
Shuttergen reads your brand and the platform you're targeting (Meta, TikTok, LinkedIn), then writes briefs in the platform-native voice with first-frame constraints, hook archetypes, and do-nots tuned to the surface. Less rework, faster shipping.
Why social media briefs need platform-native voices
The same proposition lands differently on each platform. A claim that works in a Meta Reel (problem→solution, fast pace, captions baked in) will read as inauthentic on TikTok (creator-first, sound-on, conversational pacing) and as unprofessional on LinkedIn (first-person narrative, specific numbers, no clickbait). The platform-native voice isn't a stylistic choice - it's a performance requirement.
The first-frame constraint is the single highest-leverage field. Social platforms decide whether to keep showing your ad based on hook rate in the first 1-2 seconds. Briefs that don't specify what must appear in the first frame produce ads with weak openers; ads with weak openers don't get distribution. The first-frame constraint is where the brief earns its keep.
Do-nots have to be platform-specific. 'No studio polish' belongs in a TikTok brief; on LinkedIn, polish is expected. 'No corporate boilerplate' belongs in a LinkedIn brief; on TikTok, the entire concept of corporate boilerplate is irrelevant. Generic do-nots don't help because they don't constrain anything specific to the platform.
Generate platform-native social briefs - not generic ones. Shuttergen reads your brand and the platform you're targeting (Meta, TikTok, LinkedIn), then writes briefs in the platform-native voice with first-frame constraints, hook archetypes, and do-nots tuned to the surface. Less rework, faster shipping.
How to write briefs that respect platform mechanics
Sound strategy isn't optional. TikTok is sound-on by default; users expect ambient audio, music, and voice. Meta is sound-off by default; if your ad relies on audio to land the punchline, it doesn't land. The sound + caption strategy field forces this decision before production, not during edit.
Aspect ratios are non-negotiable per platform. TikTok = 9:16 only. Meta Reels = 9:16 primary. Meta Feed = 4:5 or 1:1. LinkedIn = 1:1 or 1.91:1. Briefs that say 'social media aspect ratios' without specifying per platform produce assets that fit no platform well.
Length variants per platform. TikTok performs best at 15-30s for paid, 30-90s for organic. Meta Reels: 15s for cold, 30s for retarget. LinkedIn video: 30-60s. Specify length variants in the brief; let production size accordingly.
When to write one brief vs separate per platform
Separate briefs per platform if the platform-native voices diverge significantly. Meta + TikTok + LinkedIn need three different briefs - the voices are too different to cover in one doc. Meta + Pinterest + Snapchat can share a brief if the visual treatment is consistent (vertical video, sound-off).
Shared brief works when the platform-native voices are compatible. A Meta Reels + Instagram Stories brief can be one doc (same platform family, same voice). A TikTok + Reels brief can sometimes be one doc, but the do-nots usually have to diverge (TikTok do-nots reject brand polish; Reels do-nots reject creator-only voice).
The proposition can be shared across briefs; the hook archetype and first-frame constraint should not. That's the test - if you find yourself copying the hook archetype field across platforms, the brief is too generic.
Internal: advertising creative brief template, video creative brief, creative brief examples.
FAQ
Frequently asked
What is a social media creative brief?
Should I write one social media brief for all platforms?
What's the most important field in a social media brief?
How do TikTok briefs differ from Meta briefs?
Do I need separate briefs for organic and paid social?
How long should a social media creative brief be?
What goes in the sound strategy field?
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Generate platform-native social briefs - not generic ones.
Shuttergen reads your brand and the platform you're targeting (Meta, TikTok, LinkedIn), then writes briefs in the platform-native voice with first-frame constraints, hook archetypes, and do-nots tuned to the surface. Less rework, faster shipping.