Best Time to Post suggests posting windows based on your audience and timezone, so a post lands when your followers are actually online.
No single time works for everyone — it depends on where your followers are and when they are active. Use the suggestion as a starting point and compare against your own insights.
Yes. It is free to use and does not add a watermark. You can run it without creating an account; signing in adds credits, history and higher limits.
No. The tool works signed out. An account only adds saved history and higher usage limits.
No. Results download clean, so they can be posted directly to Instagram, TikTok or YouTube.