HTML Entity Encoder & Decoder
Encode special characters to HTML entities or decode them back.
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Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 strings back to plain text.
Markdown Preview
Write Markdown and see a live HTML preview. Supports headers, bold, italic, links, code, lists, and more.
JSON Formatter & Validator
Format, validate, and minify JSON. Prettify messy JSON with syntax highlighting.