Is my data private when using the Base64 Encoder & Decoder – Free Online Tool (Text ↔ Base64)?

Yes, absolutely private. All processing for the Base64 Encoder & Decoder – Free Online Tool (Text ↔ Base64) happens directly in your browser using client-side technologies. No files or data are uploaded to our servers.

What is a Base64 encoder and decoder?

A Base64 encoder converts text or binary data into Base64 format, while a decoder converts Base64 back into readable text. It is commonly used for APIs, tokens, and data transfer.

Is this Base64 encoder and decoder free?

Yes. This Base64 encoder and decoder is completely free to use with no limits, no ads, and no registration required.

Is my data uploaded to a server?

No. All Base64 encoding and decoding happens directly in your browser. Your data never leaves your device.

Does the Base64 tool work offline?

Yes. Once the page is loaded, the Base64 encoder and decoder works fully offline.

Can I decode JWTs or API tokens?

Yes. You can paste Base64-encoded data such as JWT segments or API payloads to instantly decode them.

Base64 Encoder & Decoder

Real-time • Side-by-Side • 100% Private • Works Offline

Text Input

Base64 Output

Auto-detecting mode: Encoding to Base64

Input Chars

Output Chars

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Size Ratio

Padding (=)

About the Base64 Encoder & Decoder – Free Online Tool (Text ↔ Base64)

Welcome to our free online Base64 Encoder & Decoder – Free Online Tool (Text ↔ Base64). Instantly encode text to Base64 or decode Base64 to text. 100% private — works completely in your browser. No upload, no server. We engineered this tool with a strict focus on speed, privacy, and simplicity. Whether you are a developer, designer, or casual user, this tool is designed to work flawlessly in your browser without requiring any software installation.

100% Private & Secure

Unlike other platforms, this tool operates entirely within your browser (client-side). Your files, texts, and data never leave your device. We do not store, track, or save any of your sensitive information.

Lightning Fast Performance

Because there is no backend server processing required, the Base64 Encoder & Decoder – Free Online Tool (Text ↔ Base64) works instantly. Enjoy zero wait times, zero queueing, and immediate results.

Mobile Responsive

Whether you are on a desktop, tablet, or smartphone, the Base64 Encoder & Decoder – Free Online Tool (Text ↔ Base64) adapts perfectly to your screen size for a seamless user experience across all devices.

No Registration Required

We believe utility tools should be accessible immediately. There are no paywalls, no signup forms, and no annoying limitations blocking your workflow.