⚡ CLIENT-SIDE · PRIVATE · SECURE

Base64 Encoder

Convert plain text, UTF-8 strings, and data payloads into standard or URL-safe Base64. Strict client-side conversion ensures your credentials and tokens never leave your browser.

Instructions: Paste plain text or strings into the input workspace. Configure URL-safe or padding options, and copy or download your Base64 output.

Checking session credentials...

Paste Source Text

Input your plain text, JSON payload, API credentials, or code snippets.

Select Encoding Mode

Choose standard Base64 or enable URL-safe encoding (`-` and `_`) with optional padding removal.

Copy or Download

Instantly copy the generated Base64 block or download as a text file. Zero network transmission.

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Documentation & Guide

How to Encode Text and Strings to Base64 in JavaScript

Learn how Base64 converts binary bytes into ASCII characters and how to implement URL-safe Base64.

Read Guide