Write once, tailor per platform, get reminded on time.
A social post planner for Windows. Write a post once, adjust it for each platform, and Windows reminds you at post time. No account, and it never logs in to your social accounts.

Posting to several platforms usually means writing the same idea several times and trying to remember when each one goes out. PostDeck makes that one job. Write the post once, open a tab for X, LinkedIn, Instagram, Threads or any of eleven platforms, and each version keeps its own text, time and media. Character counts follow each platform's rules, long posts split into numbered threads, and a preview shows where "see more" cuts you off.
At post time Windows shows a reminder, even when PostDeck is closed. Click Publish and a short checklist copies the text, opens the platform's own compose page and marks it posted. PostDeck never posts for you and never touches your accounts. An optional AI model runs on your PC to suggest hooks, rewrites and hashtags. No servers, no subscription.
Write once, tailor per platform
One main text, a version per platform with its own text, time and media. Live limits, thread splitting and a "see more" preview for each.
A week at a glance
Every day is a lane of posts in time order: planned, posted or missed. Drag a post to another day, and recurring slots show what is still to plan.
Reminded, then posted in three clicks
A Windows notification at post time, even with the app closed. Copy, open the platform, mark posted. You always press Post yourself.
Private, with on-device AI
No account, no servers, no telemetry. A small AI model on your PC suggests hooks, rewrites and hashtags; your text is never uploaded.
A closer look





Everything it does
Writing
- X, LinkedIn, Instagram, Facebook, Threads, Bluesky, Mastodon, TikTok, YouTube Shorts, Pinterest and Reddit
- A version per platform with its own text, time, media, title, link, subreddit or first comment
- Character counts that follow each platform's rules, including link weighting on X
- Automatic thread splitting with optional (1/3) numbering, and a "see more" preview for LinkedIn and Instagram
Planning
- Week view with a lane per day, plus a month view; drag a post to another day
- Recurring slots such as "Monday 09:00 ยท Tip" show which ones are still empty
- Drafts, a quick idea bank and one-click hashtag sets
- Repeat posts weekly or monthly, keeping local time across daylight-saving changes
Publishing
- Windows notifications at post time, even when PostDeck is closed
- A three-step Publish checklist: copy, open the platform's compose page, mark posted
- Copy or drag images and video straight into the browser's upload box
- Snooze or skip in one click; missed posts wait in the Queue
- A monthly share card of what you actually posted
Privacy and data
- No account, no servers, no telemetry: your plans stay on this PC
- Optional on-device AI (one 386 MB download) for hooks, rewrites, drafts and hashtags
- Export CSV or an .ics calendar; back up and restore everything in one file
- Light and dark themes and full keyboard shortcuts
- Platform
- Windows 10 (2004) and 11, x64 and ARM64
- Category
- Productivity
- Publisher
- Technocrux, on the Microsoft Store
- Legal
- Privacy policy and terms of use
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