⚙Smart Utility Lab

Text & Dev PDF & Docs Finance Everyday Education Web & Design

Base64 Encoder

Encode plain text into Base64 for APIs, HTTP headers, browser storage, and quick data transfers. It runs locally in your browser and does not require an account.

How to use it

Paste the text in the tool panel on the left.
Click “Encode” to generate the Base64 string.
Copy the result into your API request, document, or workflow.

Practical example

Input: Smart Utility Lab

Output: U21hcnQgVXRpbGl0eSBMYWI=

Frequently asked questions

When should I use Base64?Use it when you need a compact text-safe format for APIs, tokens, or embedded values.

Does it send my text to a server?No. The conversion happens in your browser.

Related tools

Base64 Encoder URL Encoder JSON Formatter

© Smart Utility Lab