Base64 Encoder & Decoder – Free Online Text and File Converter

The Base64 Encoder/Decoder is a free online utility that lets you encode or decode data to and from Base64 format instantly. Whether you’re a developer, cyber-security analyst, or just someone handling text or binary files, this tool helps you safely convert any string, text, or file into Base64 and back again.

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Base64 Encoder/Decoder FAQs

Common questions about Base64 encoding and decoding online.

Base64 encoding is a method of converting binary data into a text format using a set of 64 characters. It’s widely used for safely transferring data over media designed to handle text.

You can encode or decode text and files in Base64 format directly in your browser — no need for external software.

Yes, all conversions happen locally in your browser. Your data is never uploaded or stored.

Absolutely. You can encode any file type, including images, PDFs, and documents, into Base64 for embedding or transmission.

Simply paste your Base64-encoded string into the decoder field and click “Decode” to get the original data.

Base64 is commonly used in web development, email attachments, data URLs, and API communication to safely transmit or embed binary data as text.