Does this tool support emojis and special characters?

Yes, our UTF-8 encoder safely handles all international scripts, emojis, and symbols without corruption.

What is URL-Safe Base64?

Standard Base64 contains '+' and '/' characters which have special meaning in URLs; URL-safe Base64 swaps them for '-' and '_'.

Yes, all conversion is performed strictly client-side inside your browser.

Essential

Encode and decode text, strings, and binary files to and from Base64 format instantly.

URL-Safe Base64 (- and _)

Plain Text Input (UTF-8):

Result:

SGVsbG8gZnJvbSBBMlogVG9vbHMhIPCfmoAgMTAwJSBVVEYtOCBDb21wYXRpYmxlLg==

Bi-directional Encode and Decode modes for text and binary files

Full UTF-8 unicode character support (including emojis and multilingual symbols)

URL-safe Base64 mode (replaces + and / with - and _)

Live byte length and compression ratio calculator

Select Encode to Base64 or Decode from Base64.

Type your text or drop a file into the editor.

Toggle URL-safe encoding or line breaks if needed.

Copy the output string or download the decoded file.

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format using 64 printable characters.

Convert images to Base64 data URIs for embedding in HTML, CSS, JSON, or markdown.

Generate bulk Version 4 (v4) and Version 1 (v1) UUIDs / GUIDs with customizable case and hyphens.

Real-time character, word, sentence, paragraph, and reading time counter with keyword density analysis.

Generate cryptographically secure, random passwords and passphrases with entropy strength meter.