Encoding & Decoding Developer Tools

Convert and decode strings across Base64, URL percent-encoding, Hexadecimal, HTML entities, Unicode escapes, and inspect unsigned JWT tokens.

Encoding & Decoding

Base64 Encoder

Encode plain text or binary strings into safe Base64 representation.

Encoding & Decoding

Base64 Decoder

Decode Base64 encoded strings back into plain readable text.

Encoding & Decoding

JWT Decoder

Decode and inspect JSON Web Token headers, payloads, signatures, and expiration status.

Encoding & Decoding

URL Encoder

Encode special query parameter characters into percent-encoded URL values.

Encoding & Decoding

URL Decoder

Decode percent-encoded URI strings back into standard readable text.

Encoding & Decoding

HTML Entity Encoder

Convert sensitive HTML characters like <, >, &, and " into HTML entities.

Encoding & Decoding

HTML Entity Decoder

Decode HTML entity strings (like &lt; or &amp;) into raw characters.

Encoding & Decoding

Hex String Converter

Convert text strings to hexadecimal byte values and vice versa.