Website Tools
Website Charset Checker
Check a website's declared character encoding (charset) - HTTP header and HTML meta tag.
Enter a domain to check its declared character encoding (charset) from both its HTTP header and HTML meta tag.
JustChecker tracks your website's health continuously, catching problems before they affect your visitors.
Frequently Asked Questions
An incorrect or missing charset declaration can cause special characters, accented letters, or non-Latin text to render as garbled symbols (often called "mojibake") in visitors' browsers.
UTF-8 is the modern web standard and supports virtually every language and symbol - it should be declared in both your HTTP Content-Type header and your HTML <meta charset> tag.
Browsers generally prioritize the HTTP header over the meta tag, but a mismatch is still a sign of a configuration issue worth fixing for consistency.