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Hook Labs

What it is

Generates hooks, captions, calls to action, and hashtags for YouTube, TikTok, Instagram, X, and LinkedIn.
Provides seven tone styles and platform-specific formatting, character limits, and viral-pattern optimization.
Allows users to save favorites, organize content by platform, and export their content library.

Useful for

Creating social media content ideas from a niche, subject, or content concept.
Producing platform-specific hooks and captions quickly.
Generating hashtag sets that combine broad-reach and niche-specific tags.

Notes to know

The free plan includes five total generations; the Pro plan costs $4.99 per month and provides unlimited generations.
The service states that API keys remain in the browser and that user data is not stored on its servers.
Content generation supports five platforms and seven tone styles.