Case studyMarketing & CommunicationQ4 2025 · 1 monthMarketing & Personal Branding

LinkedIn Post Generator

Chrome extension to automate LinkedIn post creation with AI — from news research to formatted publishing

Discuss a similar project

Réponse courte

LinkedIn Post Generator is a Chrome extension built by Digit-AI to automate LinkedIn post creation. It combines news research via NewsAPI, content generation with Claude Sonnet 4 or GPT-4o, Unicode Mathematical Bold formatting (persistent on LinkedIn) and image generation via DALL-E 3 or Unsplash. The result: the time to create a post drops from 30–60 minutes to 3–5 minutes (−90%), with consistent quality thanks to the built-in Skill v4 framework.

Context

Context & Stakes

A time-consuming, fragmented creation process with no quality framework

Professionals who post regularly on LinkedIn — community managers, executives, consultants, marketing teams — spend 30 to 60 minutes per post: researching relevant news across several sites, writing engaging copy, fighting formatting loss (LinkedIn strips Markdown bold on paste) and finding a suitable image. Without a writing framework, quality and tone vary significantly from one post to the next.

!

Time-consuming creation

Between researching a news item, writing, formatting and finding an image, each post requires 30 to 60 minutes of manual work.

!

Fragmented monitoring

Relevant information is scattered across many sources. No tool centralizes recent news research by topic.

!

Formatting loss

LinkedIn systematically strips Markdown bold on copy-paste, reducing the readability and visual impact of posts.

!

Inconsistent quality

Without a structured editorial framework, the tone, structure and engagement of posts vary widely from one publication to the next.

Functional scope

Community managers, personal branders, executives, consultants, marketing teams. Processes covered: news research, AI content generation, Unicode Bold formatting, image generation, assisted publishing, post history.

Key constraints

Chrome extension only (Manifest V3) · Local-only storage via chrome.storage · API keys provided by the user · Multi-provider AI (Claude / OpenAI) · LinkedIn Desktop compatibility · ZIP distribution.

Objectives

Objectives & Scope

Three levels of objectives, each tied to a measured KPI

Strategic objective

Cut LinkedIn content creation time by 90% so professionals can post regularly without sacrificing their productivity.

KPI: creation time ÷10

Operational objective

Automate the full creation pipeline: news research (NewsAPI) → selection → AI generation → Unicode Bold formatting → image generation → assisted publishing, in a single interface.

KPI: 5+ AI providers integratedKPI: 100% persistent formatting

Technical objective

Deliver a Chrome Manifest V3 extension with a dual interface (side panel + popup), 100% local storage and a multi-provider architecture with no server backend.

KPI: 100% local storageKPI: Manifest V3 compatibility
Stack

Tech Stack

A multi-provider Chrome extension with a complete AI pipeline

Frontend

HTML5CSS3JavaScript VanillaChrome Side PanelPopup UI

Chrome APIs

Manifest V3chrome.storage.localSide Panel APIScripting APIDownloads API

AI & LLM

Claude Sonnet 4 (Anthropic)GPT-4o (OpenAI)Grok / xAIPerplexity Sonar-Pro

Image generation

DALL-E 3 (1024×1024)Flux Pro 1.1Unsplash API

External services

NewsAPIchrome.storage.localSkill v4 Framework

Distribution

ZIPChrome Web StoreManifest V3

Differentiating pattern — Skill v4 framework: unlike generic AI writing tools, LinkedIn Post Generator embeds a specialized Skill v4 framework that structures every post for the 2025 LinkedIn algorithm: a 2-line emotional hook, paragraphs of 4–5 lines maximum, 3–5 strategic emojis, and automatic conversion to Unicode Mathematical Bold (𝗕𝗼𝗹𝗱) — formatting that survives copy-paste, where standard Markdown is systematically stripped by LinkedIn.

Results

Results, Gains & ROI

Measured gains across the entire LinkedIn content creation cycle

−90%
Time to create a post
30–60 min → 3–5 min
3–5 min
Average time per post
From research to publishing
5+
AI sources available
Claude, GPT-4o, Grok, Perplexity…
100%
Local data
No remote storage
IndicatorBeforeAfterGain
Time to create a post30–60 minutes (manual)3–5 minutes−90% reduction
News researchManual, across multiple sitesAutomated via NewsAPI (7 days)÷10
LinkedIn formattingCopy-paste, bold lostPersistent Unicode Mathematical BoldZero loss
Image generationManual search, editsDALL-E 3 / Unsplash in 1 click×10 faster
Quality & consistencyVaries by authorSkill v4 framework, consistent toneConsistent quality

Qualitative gains

Productivity

The full creation cycle — research, writing, formatting, image — goes from 30–60 minutes to under 5 minutes thanks to end-to-end automation.

Consistent quality

The Skill v4 framework guarantees a professional structure (2-line emotional hook, paragraphs ≤5 lines, strategic emojis) aligned with the 2025 LinkedIn algorithm.

🔤

Persistent formatting

Automatic conversion to Unicode Mathematical Bold (𝗕𝗼𝗹𝗱): bold survives copy-paste on LinkedIn, where Markdown is systematically stripped.

🔒

Privacy

100% local storage via chrome.storage. API keys are provided by the user and never pass through a third-party server.

🧠

Multi-AI

Instant choice between Claude Sonnet 4, GPT-4o, Grok or Perplexity depending on the need: creativity, factual accuracy, tone, or real-time research.

🎨

Accessibility

Dual interface — extended side panel (750–900 px) for the full experience and a compact popup (500 px) for quick access — integrates natively into Chrome.

How about we start by talking?

No pushy salespeople. No 12-step form. Just 30 minutes to understand your situation and see if we can help. First conversation free, no strings attached.