Free tool
Your posts, in your colours
Type your website and see your next three posts, made from your own words and your brand's colours. No signup.
More free tools
All free toolsSocial media bio checker
Paste your Instagram, TikTok, LinkedIn or X bio and get a scored audit — length, keywords, call to action, link, and whether your handle matches across platforms.
Engagement rate calculator
Work out your engagement rate in seconds — by followers or by reach — with a plain-English benchmark for whether it's healthy.
Character counter
Count characters and words as you type, and see instantly where your caption fits across Instagram, X, TikTok, LinkedIn and more.
Social media image sizes
Every platform's image sizes in pixels, from Instagram posts and stories to YouTube thumbnails and Pinterest Pins.
Content calendar template
A month of post ideas, three a week, as a spreadsheet you fill in and import straight into Optimate's Bulk upload.
Pricing calculator for agencies
Work out what to charge each client for social media management, from your own hours and hourly rate.