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Base64 Encode / Decode

Last updated: 2026-05-02

Encode text to Base64 and decode Base64 strings back into readable plain text.

Base64 Encoder & Decoder

How to use Base64 Encode / Decode

  1. 1. Open the dedicated Base64 Encode / Decode page.
  2. 2. Add your input and choose the output settings.
  3. 3. Download or copy the result when processing is complete.

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Frequently Asked Questions (FAQ)

Yes, it is 100% safe. Our tool uses client-side JavaScript, meaning all conversion happens in your browser. Your data is never sent to our servers.
No. All processing is local. Once you refresh or close the tab, the data is removed from your browser's memory.
Yes, this tool is completely free with no usage limits, hidden fees, or premium versions.
Currently, this tool is optimized for text-based Base64 encoding and decoding. For images, we recommend using a dedicated Image-to-Base64 converter.
Yes, we use the standard RFC 4648 Base64 alphabet for encoding and decoding, ensuring compatibility with other systems.
No registration is required. You can use all our developer tools anonymously.
Yes, the tool is fully responsive and works on any modern mobile or tablet browser.
Base64 is used to represent binary data in an ASCII string format, making it easier to transmit over media that are designed to handle textual data, like URLs or Email.
We offer a clean, ad-lite, and high-speed environment with a strong focus on developer privacy and simplicity.
Conversion is near-instantaneous for text strings, providing you with results as you type.