Character Limit Checker
Checks a block of text against the character limits of X/Twitter, SMS, SEO tags, Instagram, LinkedIn, YouTube, and more, all at once.
117 characters
| Platform | Limit | Usage | Status |
|---|---|---|---|
| X / Twitter post | 280 | 163 left | |
| SMS (single segment) | 160 | 43 left | |
| SEO title tag | 60 | 57 over | |
| SEO meta description | 160 | 43 left | |
| Instagram caption | 2,200 | 2083 left | |
| Facebook post (recommended) | 63,206 | 63089 left | |
| LinkedIn post | 3,000 | 2883 left | |
| YouTube title | 100 | 17 over | |
| GitHub commit subject | 50 | 67 over | |
| Slack message | 40,000 | 39883 left |
Character Limit Checker — Free Online Tool
Checks a block of text against the character limits of X/Twitter, SMS, SEO tags, Instagram, LinkedIn, YouTube, and more, all at once.
How to use the Character Limit Checker
- Open the tool above — it runs entirely in your browser, so your input never leaves this page.
- Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
- Copy the result from the output area with the copy button orCtrl/Cmd + C.
- No signup, no upload, and no tracking — repeat as often as you need.
Frequently asked questions
Is the Character Limit Checker free to use?
Yes. The Character Limit Checker is completely free, with no signup, no ads inside the tool, and no hidden limits.
Does the Character Limit Checker upload my data?
No. The Character Limit Checker processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.
Does the Character Limit Checker work offline?
After the page loads, the Character Limit Checker runs entirely in your browser, so it keeps working without a network connection.
Free & private — why use this Character Limit Checker
The Character Limit Checker runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.