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Encode

ASCII ↔ Hex Converter

Convert between ASCII text and hexadecimal. Type in either panel — the other updates instantly. Supports space, comma, or 0x-prefix hex formats.

Encoding & Conversion

Base64 Encoder / Decoder

Encode text or files to Base64 and decode Base64 strings back to plaintext or binary. Supports file upload.

Networking & API

HTML Entity Encoder / Decoder

Encode special characters to HTML entities and decode them back. Handles &amp;, &lt;, &gt;, Unicode, and more.

Encoding & Conversion