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Base64 Tools

Encode and decode text or files to/from Base64 — instantly, right here.

Free Base64 Encoder & Decoder

A complete suite of tools for Base64 encoding and decoding. Whether you need to encode text, decode a string, or convert an image to a Data URI, Neotoolz handles it securely in your browser.

What Can You Do?

  • **Text to Base64**: Encode strings for data transmission.
  • **Base64 to Text**: Decode encrypted or encoded strings.
  • **Image to Base64**: Convert images to Data URIs for CSS/HTML embedding.

Frequently Asked Questions

Yes. All encoding and decoding happens locally in your browser using JavaScript. No data is sent to our servers.
Base64 is commonly used to embed binary data (like images) directly into HTML or CSS files, or to transmit data safely over protocols that only support text.
Since it runs in your browser, the limit depends on your device's memory. For most text and standard images, there is practically no limit.
Yes, our tool correctly handles UTF-8 characters (like emojis and special symbols) during encoding and decoding.