Free tool · No sign-up needed
Caption generator
Free caption generator for Instagram, TikTok, X, LinkedIn and more. Enter your topic and tone to get hook-led caption drafts you can edit and schedule.
Platform
Tone
Publish everywhere
Paste into WriteOnce and cross-post to all 10 platforms.
Staring at a blank caption box is the slowest part of posting. Enter your topic, pick a platform and tone, and get three draft captions with a hook, body, and call to action you can edit before publishing.
When the caption is ready, paste it into WriteOnce and publish to every connected platform from one composer.
FREE TOOL FAQ
Caption generator questions
It uses smart templates tailored to your topic and platform, not a live AI API. You get editable drafts instantly with no usage limits.
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One post. Ten platforms.
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