MultiTool Panda
Developer Tools

Base64 Tool Online

Convert text to Base64 and decode Base64 back to UTF-8 safe text locally.

Your files are processed locally in your browser. Nothing is uploaded or stored.

Features

Key features of Base64 Tool

Encode text to Base64.

Decode Base64 back to text.

Handle UTF-8 text with TextEncoder and TextDecoder.

Copy converted output in one click.

Run entirely in the browser.

Benefits

Why use this tool

Convert strings during API, auth, or debugging work.

Handle non-ASCII text safely.

Avoid pasting sensitive strings into server-side tools.

Use cases

Common ways to use Base64 Tool

1

Decode test tokens or encoded payload samples.

2

Encode strings for documentation examples.

3

Check Base64 values while debugging integrations.

Process

How to use Base64 Tool

Step 1

Enter text or Base64.

Step 2

Choose encode or decode.

Step 3

Copy the converted result.

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Related guides

Guides for this tool

developer-tools

How to Encode and Decode Base64 Online

Learn how to encode text to Base64 and decode Base64 back to text using a free browser-based tool. Handles UTF-8 safely with one-click copy.

Jun 7, 2026

FAQ

Frequently Asked Questions

Is this UTF-8 safe?

Yes. It uses TextEncoder and TextDecoder so non-ASCII text is handled correctly.

Does it decode files?

This tool is for text input. File conversion is intentionally not included.

Is this tool free to use?

Yes. MultiTool Panda tools are free and do not require sign-up.

Does this tool work on mobile?

Yes. The interface is responsive and works in modern mobile browsers.

Do I need to install software?

No. The tool runs directly in your browser.