Free tools
Free social media tools
Five small tools that answer everyday social media questions in your browser. Nothing to sign up for, and nothing you type leaves the page.
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- Social media image sizes, in one tableThe image and video sizes for every major platform in one table, plus a free checker that tells you which formats your image already fits: 4:5, 1:1, 9:16, 16:9 or 1.91:1.
- Caption length checkerPaste a caption to count its characters, words, hashtags and mentions, and see how much room is left on X (280), Instagram (2,200), LinkedIn (3,000), TikTok (4,000) and YouTube descriptions (5,000).
- Engagement rate calculatorCalculate a post's engagement rate by followers and by reach. Engagement rate is likes, comments, shares and saves divided by followers (or reach), times 100.
- UTM builder for social mediaBuild a tagged link for Instagram, TikTok, Facebook, LinkedIn, X or YouTube in seconds, so your analytics shows which post and which channel sent each visit and sale.
- What does a post really cost you?Enter your agency's monthly fee and how many pieces and films you get, and see the cost per piece next to PlanMedia Business, plus the credits the same month would use.