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Convert special characters to HTML entities and vice versa.
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Unlock PremiumEncode plain text or binary data to Base64 or decode Base64 strings back to text instantly. 100% client-side — your data never leaves the browser.
Encoders/DecodersEncode or decode URLs for safe transmission.
ConvertersConvert Markdown text to clean, ready-to-use HTML code instantly. Supports headings, links, lists, code blocks, and inline formatting — no server required.
FormattersBeautify and auto-indent messy HTML code for better readability and debugging. Paste your HTML and get clean, properly nested output instantly in your browser.
& → &< → <> → >" → "' → '/ → /` → `= → =© → ©HTML Entity Encoding: Prevents XSS attacks by converting special characters to their safe HTML entity equivalents. Essential for displaying user input securely.
100% Client-Side: All encoding/decoding happens in your browser. No HTML content is sent to our servers.