Every Platform. Every Limit. One Page.
Stop Googling character limits every time you write a post. Bookmark this page and check our free word counter tool to stay within every limit.
Why Character Limits Matter
Every platform enforces character limits for a reason — and understanding them gives you an edge. Truncated titles lose clicks. Overstuffed bios look unprofessional. SMS messages with a single emoji can triple your sending costs.
Whether you're a social media manager drafting posts, a marketer writing ad copy, or a developer building meta tags — knowing the exact limits for each platform saves time and improves results.
Use our free word counter tool to check your character count before posting on any platform.
Frequently Asked Questions
Which social media platform has the longest character limit?
Facebook has the longest post limit at 63,206 characters. For messaging, WhatsApp leads with 65,536 characters per message. Slack allows 40,000 characters per message.
Which platform has the shortest character limit?
Snapchat captions are limited to just 80 characters. For standard social posts, Twitter/X is the tightest at 280 characters (free accounts).
Do emojis count as characters?
Yes, on most platforms. Emojis typically count as 2 characters (Unicode). On SMS, a single emoji forces Unicode encoding and drops the limit from 160 to 70 characters per segment. Bluesky is an exception — it counts grapheme clusters, so emojis count as 1.
How can I check my character count before posting?
Use our free word counter tool at WordCountNow. Paste your text and instantly see character count, word count, and reading time — no sign-up required.
