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Base64 Encoder / Decoder & Hash Generator

Encode and decode Base64, URL-encode strings, escape HTML entities, and generate MD5, SHA-1, SHA-256 and SHA-512 hashes — all instantly in your browser.

Offline-first Privacy-safe Base64 SHA-256 MD5 URL encode Free forever
input 0 chars
output
// output appears here
Enter text above and click Encode or Decode

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📦 Base64 encode & decode

Convert any text or data to Base64 and back. Useful for embedding data in JSON, HTML, or API payloads.

🔗 URL encode & decode

Percent-encode special characters for safe use in URLs, or decode encoded query strings back to plain text.

🏷 HTML entity encode

Escape special characters like <, >, and & for safe HTML output.

# MD5 & SHA hashing

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes. All computed locally — your data never touches a server.

🔒 100% private

Every operation runs in your browser using native Web Crypto APIs. Nothing is sent anywhere.

⚡ Instant results

No page reloads, no waiting. Results appear as you type or immediately on button click.

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