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Virality machine

Go viral and boost your audience en 2026

The complete guide for YouTube, Instagram, Facebook and LinkedIn

3 clicks is all it takes to turn your video into content perfectly tuned for the YouTube, Instagram, Facebook and LinkedIn algorithms. AI Boost does the rest.

Launch my first video
30s
To publish
Upload → Boost → En ligne
4
Plateformes
YouTube · Instagram · Facebook · LinkedIn
IA
Boost intelligent
Mastered algorithms
24/7
Autopilot
Planification automatique

Why choose Postvanta to go viral in 2026

AI Boost thinks like an algorithm

It recalibrates your title, description and hashtags so the algorithm treats you as priority content. One click.

3 clicks to go viral

Upload. Boost. Publish. Postvanta automates the work that big creators do with a whole team.

Full-time creator, minimum effort

A week of content in 15 minutes. Automatic publishing at peak hours. Postvanta does the work of a social media manager.

Dominate 4 platforms at once

YouTube, Instagram, Facebook, LinkedIn — one interface. The same content, optimised for every algorithm. Publish everywhere without the effort.

Score Target Audience Postvanta

Overall score & real-time audience

Postvanta analyses each platform’s algorithm and calculates a Score Global d'optimisation for your video or photo. This score measures the consistency between your title, description, hashtags and the signals the algorithm looks for. The higher the score, the more your content speaks the platform's language.

At the same time, the system estimates your audience potentielle based on Analytics data from Google, Meta and LinkedIn. It is not a random number — it is a projection built on the platforms' real data, giving you the best possible accuracy even before you publish.

AI Boost — your secret weapon

BOOST IA· 6 credits

AI Boost is not a simple text optimiser. It is a algorithmic strategist that analyses each platform, identifies the best time to post, tunes your title, description and hashtags as one coherent set, and applies the invisible optimisations only experts know. The result: the algorithm treats you as priority content and pushes you in front of thousands of people. One click and everything changes.

Algorithm decoder

AI masters the ranking criteria of YouTube, Instagram, Facebook and LinkedIn. It formats your content exactly the way the algorithm wants to see it

Timing parfait

The best content posted at the wrong time is invisible. Boost tunes the when as well, not just the what

Optimisations invisibles

Hidden keywords, description structure, hashtag ratio, trust signals — micro-tweaks nobody sees but the algorithm loves

Contenu
Data
Timing
Postvanta

L'Optimisation algorithmique

The secret of creators who explode: the synergy between content, data and timing. Postvanta optimises all three simultaneously for each algorithm.

AI-optimised content

Title tuned for CTR, SEO description, strategic hashtags. Every word speaks the algorithm's language.

Real-time data & score

Optimisation score, audience estimate based on Analytics, instant feedback before publishing.

Timing algorithmique

Publishing at the right time triples reach. Postvanta schedules automatically into the optimal windows.

Nouveau — Autopilot IA

Up to 28 posts across your networks
in under 5 minutes

One media file. One sentence about your niche. AI generates, optimises and schedules everything automatically across Instagram, Facebook and LinkedIn.

postvanta.app · Autopilot IA
Published posts
99
↑ 12 this month
This month
12
scheduled posts
En attente
84
84 to publish
Plateformes
4
4 actives
Per platform
71 posts · 30j
Instagram
37 posts
Facebook
24 posts
LinkedIn
10 posts
Post activity
7j 30j
VenSamDimLunMarMerJeu
Published
Scheduled
Published
147
Scheduled
84
Boosted
63
Plateformes
4
Step 1
Describe your niche

Choose your platforms, upload one media file and describe what you do in a single sentence.

Step 2
AI generates everything

Titles, descriptions, hashtags and posting times optimised for every algorithm. In seconds.

Step 3
Publication automatique

Posts publish themselves on the scheduled dates. Calendar, analytics — everything is there.

Ready to automate your social presence?

Essayer l'Autopilot maintenant

Available on all plans · Credits used for generation only

The reality of creators who break through

Creators who explode do not make better content — they master the algorithms. AI Boost gives you that edge without needing to understand the rules. It applies them for you.

GUIDE YOUTUBE

The algorithm is your best friend

The YouTube algorithm pushes videos that show the right signals in the first hours. The AI Boost tunes your title for CTR, your description for SEO, and your tags for discoverability.

Before you start

Two quick steps to be ready to publish on YouTube.

1

Connect your YouTube account

Go to Account → Social connections and click "Connect" next to YouTube.

Page compte — Social connections
Go to Account
2

Buy credits

Every AI generation and every Boost consumes credits. Choose a subscription or buy a credit pack to get started.

See plans

Authorise Postvanta to publish for you

Google will ask you to confirm access. This is required — without it we cannot post to your channel. Revocable at any time.

YouTube authorisation approved by Google
Google-approved application
1

Upload your video, describe it in 5 words

Drop your file. Just type the topic: "10-minute pasta recipe", "PS5 Pro unboxing", "Tokyo travel vlog". That is the only thing you have to do.

Drag and drop your media
Image, video · common formats
What is your content about?
2
AI BOOST · 6 CREDITS

Activate AI Boost — everything changes

One click on AI Boost and the system analyses your content, understands your niche, and generates a catchy title, a rich SEO description, and laser-targeted tags.

BOOST IA • 6 credits
Titre
Desc.
Tags
Trend
3
REAL-TIME SCORE

Check your score — aim for green

The virality score shows your potential in real time. After Boost, watch it climb. When it is green, your content is ready to perform.

Score global d'optimisation
Real-time audience estimate
Detail per category
Score Target Audience
4
PLANIFICATION

Publish now or schedule on autopilot

Publish straight to your channel, or schedule for the date and time you choose. Prepare 10 videos on Sunday — Postvanta publishes on its own.

Planification Postvanta

YouTube Pro strategy

Creators who post regularly with optimised metadata are favoured by the algorithm. With Postvanta, prepare and schedule a full week in under 30 minutes.

Technical specifications — YouTube API limits
Specs
Taille max
256 GB
Via resumable upload
Max duration
12 heures
Or 128 GB, whichever comes first
Resolution
Up to 4K
1080p recommended
Quota API
~6 videos/day
1,600 units/upload · 10,000/day
Video codec
H.264
AAC audio recommended
FPS
24 – 60 fps
30 fps standard
Accepted formats
MP4MOVAVIWMVFLVWebM3GPMPEG GIFAudio seul
GUIDE INSTAGRAM

The algorithm rewards consistency

On Instagram in 2025, Reels dominate. The algorithm analyses your caption, your hashtags and consistency. The AI Boost generates complete content to maximise your reach.

Before you start

Two quick steps to be ready to publish on Instagram.

1

Connect your Instagram account

Go to Account → Social connections and click "Connect" next to Instagram. An Instagram Pro account (Business or Creator) is required.

Account page — Instagram connected
Go to Account
2

Buy credits

Every AI generation and every Boost consumes credits. Choose a subscription or buy a credit pack to get started.

See plans

Authorise Postvanta to publish on Instagram

Instagram requires a Pro account (Business or Creator). Sign in, then authorise access so Postvanta can post on your behalf.

Log in Instagram
1 Connectez-vous
Autoriser Postvanta
2 Autorisez Postvanta
1

Post, Reel or Story — the right format in one click

Choose your format and upload your image or video. Postvanta adapts: square Post or vertical Reel, 9:16 Story. Direct publishing — no need to open the app.

Drag and drop your media
Image, video · common formats
What is your content about?
2
AI BOOST · 6 CREDITS

AI Boost — caption + hashtags synced

Caption with a hook that stops the scroll, engaging storytelling, natural CTA. Hashtags are chosen to create a broad + niche mix the algorithm loves.

BOOST IA • 6 credits
Titre
Desc.
Tags
Trend
3
REAL-TIME SCORE

Check your score — aim for green

The virality score shows your potential in real time. After Boost, watch it climb. When it is green, your content is ready to perform.

Score global d'optimisation
Real-time audience estimate
Detail per category
Score Target Audience
4
PLANIFICATION

Publish or schedule on autopilot

Prepare your whole feed in one session. Postvanta publishes automatically — you get a confirmation email.

Planification Postvanta

The secret of large Instagram accounts

They do not spend their day posting. They batch-create and schedule everything. Postvanta + AI Boost gives you the same workflow as creators with 1M followers.

Technical specifications — Instagram API limits
Specs
Max video size
300 MB
Post/Reels · Video Story: 10 MB
Taille max image
8 MB
Post + Story · JPEG via API
Reels duration
3s – 15 min
15-30s optimal for the algorithm
Resolution
1080 × 1920
9:16 · Min 0.8:1 max 1.91:1
Codec
H.264 + AAC
MP4 container obligatoire
Limite posts
100 / 24h
Reels + Feed + Stories combined
Accepted formats
MP4 (video)JPEG (image) MOVAVIPNGWebPGIFWMV
GUIDE FACEBOOK

L'algorithme favorise l'engagement authentique

Facebook is still the most widely used network in the world. Its algorithm favours posts that generate reactions and shares. The AI Boost optimises your copy for engagement.

Before you start

Two quick steps to be ready to publish on Facebook.

1

Connect your Facebook Page

Go to Account → Social connections and click "Connect" next to Facebook. Authorise access to your Pages, then select the active Page from the dropdown.

Account page — Facebook connected
Go to Account
2

Buy credits

Every AI generation and every Boost consumes credits. Choose a subscription or buy a credit pack to get started.

See plans

Authorise Postvanta to publish on your Page

Facebook will ask you to confirm access to your Pages. You can then choose the active Page from your Account.

Log in Facebook
1 Connectez-vous
Choose your Pages
2 Choose your Pages
Business selection
3 Select the company
1

Text, photo or video — anything is possible

Facebook is the most flexible platform. Describe your content in a few words and let AI Boost turn your idea into an engaging post.

Drag and drop your media
Image, video · common formats
What is your content about?
2
AI BOOST · 6 CREDITS

AI Boost generates content that engages

Boost writes copy with a powerful hook, storytelling that makes people want to comment, and a natural CTA that encourages sharing.

BOOST IA • 6 credits
Titre
Desc.
Tags
Trend
3
REAL-TIME SCORE

Check your score — aim for green

The virality score shows your potential in real time. After Boost, watch it climb. When it is green, your content is ready to perform.

Score global d'optimisation
Real-time audience estimate
Detail per category
Score Target Audience
4
PLANIFICATION

Publish or schedule on autopilot

Publish directly to your Facebook Page, or schedule automatically. Postvanta publishes at peak hours and notifies you by email.

Planification Postvanta

Facebook Pro strategy

The Facebook algorithm favours Pages that post regularly. Posts with questions or personal stories perform 3x better. AI Boost bakes in these patterns.

Technical specifications — Facebook API limits
Specs
Max video size
1 GB
Resumable upload · Image : 10 MB
Max duration
240 minutes
Reels: 3s to 15 min
Resolution
1080 × 1920
Max 1080p · 9:16 or 16:9
Codec
H.264 + AAC
MP4 container recommended
Limite posts
25 / 24h
Per Facebook Page
FPS
30 fps
60 fps supported
Accepted formats
MP4MOVAVIMKVWebM FLVWMV3GP
GUIDE LINKEDIN

The algorithm rewards expertise

LinkedIn is the platform for building professional authority. Its algorithm favours posts that deliver value. The AI Boost adapts your content to a professional tone.

Before you start

Two quick steps to be ready to publish on LinkedIn.

1

Connect your LinkedIn account

Go to Account → Social connections and click "Connect" next to LinkedIn. Authorise access so Postvanta can publish on your profile.

Account page — LinkedIn connected
Go to Account
2

Buy credits

Every AI generation and every Boost consumes credits. Choose a subscription or buy a credit pack to get started.

See plans

Authorise Postvanta to publish on LinkedIn

LinkedIn will ask you to confirm access. This is required so Postvanta can post on your profile. Revocable at any time from your LinkedIn settings.

1

Text, image or video — share your expertise

Describe your topic: "lessons from hybrid management", "AI trends 2026", "what my startup failure taught me" — AI Boost structures a post that grabs attention.

Drag and drop your media
Image, video · common formats
What is your content about?
2
AI BOOST · 6 CREDITS

AI Boost generates professional content

A punchy opening hook, structured storytelling, and a CTA that invites comments. Tone calibrated: professional but human.

BOOST IA • 6 credits
Titre
Desc.
Tags
Trend
3
REAL-TIME SCORE

Check your score — aim for green

The virality score shows your potential in real time. After Boost, watch it climb. When it is green, your content is ready to perform.

Score global d'optimisation
Real-time audience estimate
Detail per category
Score Target Audience
4
PLANIFICATION

Publish or schedule on autopilot

Publish directly to your LinkedIn profile, or schedule automatically for the hours when your network is most active.

Planification Postvanta

LinkedIn Pro strategy

The posts that perform best on LinkedIn deliver real value and pose an open question. AI Boost incorporates these patterns automatically.

Technical specifications — LinkedIn API limits
Specs
Max video size
500 MB
Upload async · Image : ~34 MB
Duration
3s – 15 min
10 min mobile · < 60s optimal
Resolution
1080 × 1350
4:5 mobile · 16:9 desktop · Max 4K
Codec
H.264 + AAC
AAC ≤ 64 kHz · 48 kHz rec.
Limite
25 videos/24h
Campaign Manager
Aspect ratios
1:2.4 → 2.4:1
4:5 or 1:1 recommended
Accepted formats
MP4 MOVAVIProResDNxHDWMVMKV

Stop posting into the void

Every post you publish without optimisation is a lost opportunity. AI Boost fixes that — across YouTube, Instagram, Facebook and LinkedIn.

Commencer maintenant
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