HTML Validator Validate your HTML code with this simple tool. You can validate your HTML either by entering your website URL in the below field, or by uploading an HTML file. Validate URL Validate HTML File Enter URL Warnings (detect automatically) utf-8(Unicode, worldwide) utf-16(Unicode, worldwide) iso-8859-1(Western Europe) iso-8859-2(Central Europe) iso-8859-3(Southern Europe) iso-8859-4(Baltic Rim) iso-8859-5(Cyrillic) iso-8859-6-i(Arabic) iso-8859-7 (Greek) iso-8859-8-i(Hebrew) iso-8859-9(Turkish) iso-8859-10(Latin 6) iso-8859-13(Latin 7) iso-8859-14(Celtic) iso-8859-15(Latin 9) us-ascii(basic English) euc-jp (Japanese,Unix) shift_jis(Japanese, Win/Mac) iso-2022-jp(Japanese, email) euc-kr (Korean) gb2312(Chinese, simplified) gb18030(Chinese, simplified) big5(Chinese, traditional) tis-620 (Thai) koi8-r (Russian) koi8-u (Ukrainian) macintosh (MacRoman) windows-1250(Central Europe) windows-1251(Cyrillic) windows-1252(Western Europe) windows-1253(Greek) windows-1254(Turkish) windows-1255(Hebrew) windows-1256(Arabic) windows-1257(Baltic Rim) Type (detect automatically) XHTML 1.1 XHTML Basic 1.0 XHTML 1.0 Strict XHTML 1.0 Transitional XHTML 1.0 Frameset HTML 4.01 Strict HTML 4.01 Transitional HTML 4.01 Frameset HTML 3.2 HTML 2.0 Show Source Show Parse Tree Show Outline Exclude Attributes Validate error pages Verbose Output Validate URL Reset Select HTML File Encoding (detect automatically) utf-8(Unicode, worldwide) utf-16(Unicode, worldwide) iso-8859-1(Western Europe) iso-8859-2(Central Europe) iso-8859-3(Southern Europe) iso-8859-4(Baltic Rim) iso-8859-5(Cyrillic) iso-8859-6-i(Arabic) iso-8859-7 (Greek) iso-8859-8-i(Hebrew) iso-8859-9(Turkish) iso-8859-10(Latin 6) iso-8859-13(Latin 7) iso-8859-14(Celtic) iso-8859-15(Latin 9) us-ascii(basic English) euc-jp (Japanese,Unix) shift_jis(Japanese, Win/Mac) iso-2022-jp(Japanese, email) euc-kr (Korean) gb2312(Chinese, simplified) gb18030(Chinese, simplified) big5(Chinese, traditional) tis-620 (Thai) koi8-r (Russian) koi8-u (Ukrainian) macintosh (MacRoman) windows-1250(Central Europe) windows-1251(Cyrillic) windows-1252(Western Europe) windows-1253(Greek) windows-1254(Turkish) windows-1255(Hebrew) windows-1256(Arabic) windows-1257(Baltic Rim) Type (detect automatically) XHTML 1.1 XHTML Basic 1.0 XHTML 1.0 Strict XHTML 1.0 Transitional XHTML 1.0 Frameset HTML 4.01 Strict HTML 4.01 Transitional HTML 4.01 Frameset HTML 3.2 HTML 2.0 Show Source Show Parse Tree Show Outline Exclude Attributes Validate error pages Verbose Output Validate File Reset Related Tools CSS Beautifier Base64 Encoder JSON to CSV Converter Image to Base64 Converter XML to JSON Converter HTML Validator CSS Minifier JavaScript Beautifier