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Free social media tools

Generate captions and hashtags, calculate engagement, resize images, and preview posts — all free, right in your browser.

AI Generators

AI Post Generator

Describe your idea and get an on-brand post in seconds.

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Instagram Caption Generator

Craft captions that resonate with your followers.

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YouTube Post Generator

Engaging titles, descriptions, and community posts.

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Facebook Post Generator

Posts that grab attention without spending hours writing.

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LinkedIn Post Generator

Polished, professional updates that build credibility.

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Tweet Generator

Turn ideas into punchy tweets people actually engage with.

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Pin Generator

Generate pin descriptions and post ideas for Pinterest.

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TikTok Caption Generator

Punchy, trend-ready TikTok captions from a quick idea.

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Threads Post Generator

Conversational Threads posts that spark replies.

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Bluesky Post Generator

Write sharp Bluesky posts in your voice, in seconds.

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Reddit Post Generator

Draft authentic, subreddit-appropriate Reddit posts.

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Pinterest Description Generator

Keyword-rich Pin descriptions that get discovered.

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Hashtag Generators

Hashtag Generator

Create hashtag collections based on your content.

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Instagram Hashtag Generator

Reach the right audience with Instagram hashtags.

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Facebook Hashtag Generator

Help your posts get discovered on Facebook.

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YouTube Hashtag Generator

Improve your video's visibility and reach.

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X (Twitter) Hashtag Generator

Get discovered and spark engagement on X.

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LinkedIn Hashtag Generator

Put your posts in front of the right audience.

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TikTok Hashtag Generator

Trending, on-topic TikTok hashtags for more reach.

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Pinterest Hashtag Generator

Discoverable Pinterest hashtags tailored to your Pin.

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Threads Hashtag Generator

Relevant Threads hashtags that fit the conversation.

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Calculators

Engagement Rate Calculator

Quickly calculate your social engagement rate.

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Instagram Engagement Calculator

See how your Instagram content performs.

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YouTube Engagement Calculator

Track video performance and engagement.

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Facebook Engagement Calculator

Discover which posts drive the most interaction.

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Twitter Character Counter

Stay within the limit on X with a live counter.

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TikTok Engagement Calculator

Measure your TikTok engagement rate in seconds.

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LinkedIn Engagement Calculator

See how your LinkedIn posts really perform.

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Formatting

Instagram Line Breaker

Format captions with clean line breaks and spacing.

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UTM Link Generator

Track campaigns by seeing exactly where traffic comes from.

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TikTok Character Counter

Stay within TikTok's 2,200-character caption limit.

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LinkedIn Character Counter

Count characters against LinkedIn's 3,000 limit.

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Mockups

Instagram Mockup Generator

Preview posts and plan your feed with confidence.

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Facebook Mockup Generator

Visualize how your posts will look before publishing.

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Tweet Mockup Generator

See how your tweets appear and craft attention-grabbing content.

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LinkedIn Mockup Generator

Preview LinkedIn posts before you share them.

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Image Resizers

Instagram Image Resizer

Resize images for Instagram while keeping quality.

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LinkedIn Image Resizer

Resize images to LinkedIn's recommended dimensions.

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Facebook Image Resizer

Ship images sized correctly for Facebook automatically.

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Want it all in one place?

OneClickPosts schedules, publishes, and runs your social media on autopilot — across web, desktop, and mobile.

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