Postroom/FREE / IN YOUR BROWSER

FREE / IN YOUR BROWSER

Handle format checker

Check Instagram and TikTok handle syntax. Availability is not checked.

Handle format checker

Enter a handle to check.

This tool does not check whether a username is available or belongs to anyone. Confirm on the platform. Basic rules: Instagram up to 30 characters; TikTok 2–24 characters, letters, numbers, underscores and periods.

Free. No account required. Processed locally.
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Writing-quality & brand guideline checker

Check exact drafting limits and optionally assess clarity and alignment with your writing guidance.

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YouTube title ideas

Create editable, template-based title ideas from your actual video subject.

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Caption counter

Count words, characters and drafting budgets before you schedule.

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LESS TAB SWITCHING. MORE MAKING.

Your next week of content.
Already looking better.

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Payment method required · Solo: 5 connections · Growth: 10 connections · Renews after the trial unless cancelled

Channel availability · updated 2026-10-28

Available for eligible authorized accounts: LinkedIn personal profiles · Pinterest Standard · YouTube · Google Business Profile · TikTok Direct Post and Inbox Upload · X · Bluesky.

Provider review pending: Facebook Pages · Instagram · Threads · LinkedIn Company Pages.

Approval, account connection and confirmed delivery are separate. Permissions, media requirements, quotas and account restrictions still apply. View channel details →