Base64 Converter

Secure Encoding — Convert any text to Base64 format or decode binary strings back to readable text.

Input Text / Base64

How to Use the Base64 Converter

Easily encode text to Base64 or decode Base64 back to text with our secure, client-side tool.

  1. Input Data: Type or paste your text or Base64 string into the input box.
  2. Encode: Click the "Encode to Base64" button to convert plain text into a Base64 string.
  3. Decode: Click the "Decode Base64" button to convert a Base64 string back to readable text.
  4. Export: Use the "Copy Result" button inside the result card to instantly copy the output.
  5. Reset: Click "Clear" to reset the editor and start a new operation.
Converter Guide & FAQ

Understanding Base64 Encoding

Base64 is a group of binary-to-text encoding schemes that represent binary data in an ASCII string format. It is widely used to embed images in HTML/CSS or transmit data over media that only support text.

Safe Transmission

Base64 ensures that your data remains intact without modification during transport over various network protocols and systems.

Universal Support

Virtually all programming languages and platforms have native support for Base64, making it the perfect cross-platform data format.

Client-Side Processing

All text conversion happens directly in your browser's memory. We never transmit your text to any external servers, ensuring complete privacy.

Expert FAQs

Everything you need to know about this tool.

Q: Is Base64 encryption?

No. Base64 is an encoding scheme, not encryption. It is easily reversible and should not be used to hide sensitive information from hackers.

Q: Does Base64 increase file size?

Yes, Base64 encoding typically increases the data size by about 33% compared to the original binary data.

Q: Is my data stored?

No. All encoding and decoding happens directly in your browser. We never transmit your data to any external servers.