Free cross-platform hashtag generator

Turn a post's actual subject, audience, location, and destination platform into a compact set of relevant hashtags rather than a generic block of popular tags.

Platform-aware hashtag setExample

#DigitalAccessibility #AccessibleDesign #FrontendDevelopment #InclusiveDesign #ProductDesign

3 free, no sign-up

Why the rewrite is better: The five tags describe the resource's discipline, implementation audience, and inclusion goal, while avoiding broad entrepreneurial labels that add no subject relevance.

This is the free version

Works where you write

PromptDC rewrites selected text in any app, every browser, your IDE and your terminal on Mac and Windows.

One keyboard shortcut

Select text, press Cmd+Shift+E or Ctrl+Shift+E, review the result, then Replace or Copy. It never presses Enter for you.

Your profiles, your models

Pick a default profile per app, or bring your own API key on the Lifetime plan.

Free here: 3 enhancements. In the app: from $9/mo, or Lifetime from $69 with your own API key.

More before and after examples

Local repair event video

Before

Platform: TikTok. Clip shows volunteers fixing a lamp at a free repair café in Milwaukee this Sunday. Audience: local residents and people interested in repair and reuse. Include one location tag and avoid generic viral tags.

After

#RepairCafe #MilwaukeeEvents #RightToRepair #ReuseAndRepair #FixDontToss

Why the rewrite is better: The group combines the event format, exact city, wider repair movement, and reuse behavior, giving both local and subject context without unrelated reach bait.

Hashtags play different roles across platforms: they may label a professional topic, join a niche conversation, describe a short video, or make a local event easier to find. This generator tailors the number, specificity, and style of tags to the network you name, balancing broad subject labels with precise community or campaign terms. A limited number of sets are available here without an account. Review current platform guidance before publishing, remove anything only loosely connected to the post, and never assume a popular hashtag will create reach on its own.

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