Base64 Encoder & Decoder

Convert text and files to Base64 format and vice versa. Secure, fast, and 100% client-side.

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Secure Base64 Conversion in Browser

The Base64 Encoder & Decoder is a powerful tool allowing you to convert text and files into Base64 format and back, directly within your browser. No software installation or account required.

Privacy First

All processing happens locally on your device via JavaScript. Your data is never sent to our servers, ensuring maximum privacy for sensitive information like API keys or private data.

Features

  • Text & Files: Convert both text strings and files (images, PDFs, etc.) to Base64.
  • UTF-8 Support: Full support for special characters and emojis.
  • URL Safe: Option to generate URL-safe Base64 strings.
  • Instant: Real-time conversion with no server latency.

FAQ — Base64 Encoder & Decoder

No. All conversion happens locally in your browser using native JavaScript APIs.

Yes. You can upload files to convert them to Base64 strings without uploading them to any server.

Yes. It fully supports UTF-8, ensuring special characters and symbols are encoded correctly.

It replaces standard Base64 characters (+ and /) with URL-friendly alternatives (- and _) to safely use strings in URLs.