MKBHD

X character counter

Counts the way X counts: links as 23, emoji as 2. LinkedIn, Instagram, TikTok, Threads and YouTube limits too.

WritingBlueskyInstagram

LinkedIn character counter

LinkedIn's 3,000-character post limit, counted as you type, with X, Threads and Bluesky beside it.

WritingLinkedIn

Threads character counter

Threads' 500-character limit, counted as you type, with X, Bluesky and LinkedIn beside it.

WritingThreads

Bluesky character counter

Bluesky's 300-character limit, counted the way the protocol counts, with X and Threads beside it.

WritingBluesky

Mastodon character counter

Mastodon's 500-character default, counted the way Mastodon counts links and mentions.

WritingMastodon

Instagram character counter

Instagram's 2,200-character caption limit, counted as you type, with TikTok and the rest beside it.

WritingInstagram

TikTok character counter

TikTok's 2,200 caption limit, counted the way TikTok counts it, with emoji as 2.

WritingTikTok

Pinterest character counter

Pin titles (100) and descriptions (800), counted as you type.

WritingPinterest

YouTube character counter

YouTube titles (100) and descriptions (5,000), counted as you type.

WritingYouTube

llms.txt generator

Build your llms.txt from your live site, check every link and your AI crawler access, and add llms-full.txt.

UTM builder

Clean UTM links, the GA4 channel each one lands in, presets for creators, and many links at once.

Schema markup generator

Schema markup (JSON-LD) for the types Google shows today, checked against Google's own rules, plus a check for any page.