What formats are supported?

URL encoding/decoding, Base64 encoding/decoding, and HTML entity encoding/decoding are supported.

Does it work in real-time?

Yes. Enable 'Auto-convert' to see the encoded/decoded result update instantly as you type.

No. All encoding and decoding happens in your browser. Your data never leaves your device.

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Encode and decode strings in URL, Base64, and HTML entity formats — all client-side and real-time.

URL • Base64 • HTML Entities

Format

Direction

Auto-convert

Select the Format: URL Encoding, Base64, or HTML Entities.
Choose Direction: Encode (text → encoded) or Decode (encoded → text).
Type or paste your text into the input area. Enable Auto-convert for live results.
Click Convert (or Ctrl+Enter) to process the conversion manually.
Use Swap to exchange input and output for reverse conversion.
Use Copy or Download to save the result.

Tip: URL encoding is useful for query parameters, Base64 for data transfer, and HTML entities for displaying reserved characters in web pages.