What is URL-safe Base64?

URL-safe Base64 replaces + with - and / with _, and omits padding equal signs (=) for compatibility in query strings.

Base64 Encoder / Decoder

Convert standard UTF-8 text to Base64 and decode Base64 strings. Includes support for URL-safe Base64 and Unicode characters.

Mode:

URL-Safe (- / _ without =)

Plain Text Input (UTF-8)

Input

Base64 Output

Result

01.Select Encode or Decode mode.

02.Type or paste your text in the input area.

03.Toggle URL-Safe format if needed for web parameters.

04.Copy the result.

Yes. The converter utilizes UTF-8 byte encoding to preserve international characters, accents, and emojis.

Format, minify, and validate JSON data.

Encode and decode query strings and URL components.

Decode JSON Web Token headers, payloads, and timestamps.

Test regular expressions with match groupings and flags.