Caption Checker
Analyze and optimize captions for readability, engagement, and hashtag density with AI-powered suggestions and platform optimization. Perfect for content creators and social media managers.
Complete Guide: Caption Checker
Everything you need to know about using this tool effectively
The Caption Checker validates your social media caption against the character limits of major platforms. Instagram allows 2,200 characters, Twitter allows 280, LinkedIn allows 3,000, TikTok allows 2,200, and Facebook allows 63,206. You enter your caption and the tool shows the count, remaining characters, and whether it fits each platform. All processing happens in the browser.
This tool counts the characters in your caption text and compares against known limits for five platforms. It shows a status indicator per platform with the exact character count and remaining allowance.
Writing an Instagram caption
Check that your caption fits within 2,200 characters and see how many you have left.
Crafting a tweet
Verify your tweet stays within 280 characters before posting.
Writing a LinkedIn post
Make sure your professional post fits within LinkedIn's 3,000-character limit.
Creating a TikTok caption
Check that your TikTok caption fits within 2,200 characters.
Enter your caption
Type or paste your caption into the input area.
Check the limits
The tool shows remaining characters for each platform in real time.
Edit to fit
Adjust your text if any platform shows red (over limit).
Copy the caption
Copy the final caption for pasting into your social media app.
Instagram captions are limited to 2,200 characters but only the first 125 show in the feed without expanding.
Twitter is limited to 280 characters. Links and images do not count against the limit.
LinkedIn posts show the first 210 characters before the 'see more' link.
Place your most important text in the first line to catch attention before the fold.
What are the caption character limits?
Instagram allows 2,200 characters, Twitter allows 280, LinkedIn allows 3,000, TikTok allows 2,200, and Facebook allows 63,206.
Do hashtags count toward the limit?
Yes. Hashtags, mentions, and emojis all count as characters toward the platform limit.
Is my caption sent to a server?
No. All counting happens in your browser. The text never leaves your device.
Can I check multiple captions?
Yes. Clear the input and enter a new caption to check it against all platform limits.
How many characters show before 'see more' on Instagram?
Instagram shows approximately 125 characters in the feed before users need to tap 'more' to see the rest of the caption.
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