Base64 Encoder/Decoder

Encode and decode text or files to Base64 securely in your browser.

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About Base64 Encoder/Decoder

Convert text and binary data to Base64 format or back to readable text. This tool is essential for developers needing to transmit binary data over text-based protocols or safely embed small assets.

How to Use

  1. Select either 'Encode' or 'Decode' mode.
  2. Enter or paste your text into the input box, or upload a file for encoding.
  3. Click the action button to process your data.
  4. View and copy the result from the output section.

Common Use Cases

  • Encoding binary files for email attachments.
  • Embedding small images or icons as Data URIs in CSS/HTML.
  • Decoding API responses that return Base64-encoded strings.

Technical Details

Utilizes native browser Base64 APIs with Unicode-safe encoding to prevent data corruption during transformation.

Frequently Asked Questions

What is Base64 encoding?
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is commonly used to ensure data remains intact during transit across text-oriented systems.
Is it safe to encode passwords?
While Base64 is not encryption and can be easily reversed, our tool processes all data locally on your device, ensuring your inputs are never sent to a server.

100% Private & Secure

This tool runs entirely in your browser using client-side technology. Your files and data are never sent to a server, ensuring 100% privacy and speed.