Social Character Counter

Check your caption against common platform character limits.

Paste a caption, bio or title and check it against commonly used character limits for X/Twitter, Instagram, LinkedIn and YouTube, with a live remaining count and usage bar.

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About Social Character Counter

Every platform has its own character limit, the limits change more often than anyone would like, and going over usually means your post gets blocked or silently cut. This counter keeps you inside the lines: pick a preset for X/Twitter, Instagram, LinkedIn, or YouTube, or set a custom limit for anything else, paste your caption, bio, or title, and watch the remaining count and usage bar update live.

Treat the presets as commonly used values rather than gospel; platforms tweak their limits, and the tool labels them as such. A few subtleties to know: some platforms count emoji as more than one character, and links or mentions can consume characters beyond what you see on screen. When in doubt, leave yourself a little headroom.

The workflow that works best is to draft long and then cut, it's far easier than trying to write to fit from a blank box. If the counter shows red, you're over: trim before posting rather than hoping the platform will be kind. And the custom-limit option covers everything the presets don't: newsletter subject lines, ad fields, app-store descriptions, anywhere a number caps your text.

How to use Social Character Counter

  1. Pick a platform preset or set a custom limit.
  2. Paste your caption, bio or title.
  3. Watch the remaining count and stay under the limit.

Why use this tool?

  • Presets for major platforms
  • Live remaining-character count
  • Custom limit option

Tips for best results

  • Pick the preset before you start writing so you trim as you go instead of at the end.
  • Leave headroom, links and mentions can consume characters beyond what you see.
  • Remember some platforms count emoji as more than one character.
  • Use the custom limit for newsletter subjects, ad fields, or bios with odd caps.
  • Red means over, trim before posting, since most platforms hard-block overlong text.
  • Draft long, then cut, it's easier than writing to fit from a blank box.

Frequently asked questions

Are these limits exact?
They're commonly used limits, but platforms may change them, the tool labels them as such. For mission-critical posts, double-check the platform's current docs.
Can I set my own limit?
Yes. Choose the custom option and enter any number, handy for newsletters, ad fields, or app-store descriptions.
What happens if I go over?
The tool shows how many characters you're over in red. Most platforms will block or truncate the post, so trim first.
Do emojis count as one character?
Not always, some platforms count certain emoji as two characters. The counter follows common conventions, but leave a little headroom to be safe.

Related tools

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