Desktop application for macOS — auto-publishing videos on YouTube, Instagram, and TikTok + schedule

Project Description:

A developer is needed to create a desktop application for macOS that allows publishing short videos simultaneously on three platforms: YouTube (Shorts), Instagram (Reels), and TikTok — from a single interface, without the need to log into each platform separately.

Technology Stack (preferred): Electron + Node.js, HTML/CSS for the interface, SQLite for local queue storage, node-cron for scheduling, keytar for secure token storage in macOS Keychain.

How it works — step by step

1. Open the application
2. Drag and drop a video file or select it through the file browser
3. Fill in the publication details:
 — Title (mandatory)
 — Description (mandatory)
 — Preview Photo
4. Select platforms:
 [✓] YouTube [✓] Instagram [✓] TikTok
5. Choose: EITHER publish now OR specify date and time
6. Click "PUBLISH"
7. The application runs in the background and publishes at the scheduled time
8. Receive notification: "✅ Published on all platforms" OR - error description

Application Tabs

1. New Post

• Drag & drop area for video file with preview
• Fields: title, description, preview photo
• Platform switches (YouTube / Instagram / TikTok)
• Time selection: publish now or specify date and time
• "PUBLISH" button
• Warning if the video does not meet platform requirements

2. Queue

• List of all scheduled posts with date, platforms, and status
• Statuses: scheduled / uploading / published / error
• Ability to cancel a post before publication
• Queue is stored locally and does not disappear after restarting the application

3. Settings

• Input and save API keys for each platform
• OAuth authorization ("Connect" / "Disconnect" buttons for each platform)
• Connection status (active / token expired / not connected)
• Time zone, notifications, auto-start with the system

Technical Requirements

• Publishing in the background even when the application is minimized
• Automatic retry on upload error
• macOS notifications on success and failure
• The application is packaged as .app — Node.js does not need to be installed separately

Mandatory condition: after the development is completed, the client receives the full source code of the project with comments and a short README explaining the project structure and instructions for running in developer mode. The code must be clean and structured so that the client can make changes independently in the future.


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+ I am adding a UI reference