Base64 Encoder & Decoder

Encode text to Base64 and decode Base64 strings to UTF-8 text instantly. Fast, free, client-side Base64 conversion with zero server latency.

Key Capabilities & Features

✓ Encode & decode UTF-8 strings
✓ URL-safe base64 support
✓ Live output preview
✓ Offline execution

Secure Offline Base64 Encoder / Decoder: Convert Text Strings & Binary Payloads Privately

The Txlify Base64 Encoder/Decoder is a secure page utility that lets you convert ASCII text strings into Base64 formats. Base64 is used for HTTP basic headers, data transfers, and inline attachments. It works offline in your browser to convert your text safely without sending credentials over the web.

Who is the Base64 Encoder & Decoder for?

Perfect for web developers, security analysts auditing auth setups, software engineers, and IT specialists needing fast encoding.

How to Use the Base64 Encoder & Decoder

Type or paste your raw text into the input field.
Select "Base64 Encode" or "Base64 Decode" from the options.
Review your results instantly in the output screen below.
Click the Copy button to save the converted text string.

What you get

Quick, accurate encoding and decoding with zero data tracking for complete peace of mind.

Why this matters

Sending sensitive keys or credentials to online encoding sites poses high security risks. Txlify performs all encoding on your device to keep operations safe.

Frequently Asked Questions

Is Base64 considered encryption?

No. Base64 is a binary-to-text encoding method, and is easily decoded by anyone. It should only be used to format data safely for transfers, not for privacy.

Does the tool support non-English characters?

Yes! It handles multi-lingual inputs and special characters smoothly using standard Unicode-UTF8 encoding.

Can I use this tool offline?

Yes. The web page runs completely offline, letting you use the tool anywhere without an active network connection.

Are there file size limits?

For standard text strings, the conversion is near-instant, allowing you to process large files with ease.

Does this tool save any history?

No. All operations are processed in temporary browser memory and are instantly deleted when you close the tab.

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