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    Social Network Character Limits

    Maximum post lengths for popular social networks

    Bluesky

    300
    characters

    X (Twitter)

    280
    characters

    Mastodon

    500
    characters
    Default limit, varies by instance

    Threads

    500
    characters

    TikTok

    2,200
    characters

    Instagram

    2,200
    characters

    Pinterest

    500
    characters

    Quick Comparison

    Visual comparison of character limits across platforms

    TikTok
    2200
    Instagram
    2200
    Mastodon
    500
    Threads
    500
    Pinterest
    500
    Bluesky
    300
    X (Twitter)
    280

    Notes

    • These limits apply to standard text posts on each platform

    • Some platforms may count URLs, mentions, or hashtags differently

    • Mastodon instances can set custom character limits

    • Premium/verified accounts may have different limits on some platforms

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