Base64 Encoder / Decoder

Encode and decode text or files to and from Base64

Loading tool...

About Base64 Encoder / Decoder

Convert text, binary data, or files to Base64 encoding and back. Supports full UTF-8 and file uploads. All processing is done locally in your browser for maximum privacy.

Why use our tool?

  • 100% Free & Unlimited: Use this tool as many times as you want, no limits, no sign-up required.
  • Fully Private: All processing is done locally in your browser. Your data never leaves your device.
  • Lightning Fast: Results are delivered instantly — no server round-trips or waiting.
  • No Account Needed: Just open and use. No registration, no tracking.

How to use

  1. Enter your data or upload a file into the tool above.
  2. Adjust any settings to your preference.
  3. Get instant results processed right in your browser.
  4. Copy or download the output — it's yours!
Free & Unlimited — No quota, no account required

Related Tools

JSON Formatter & Validator

Format, validate and prettify JSON data

Use Tool

Markdown to HTML

Convert Markdown text to clean HTML

Use Tool

Cipher & Crypto Suite

Encrypt, decrypt, encode, and decode text

Use Tool

Frequently Asked Questions

QWhat is Base64?

A

Base64 is a binary-to-text encoding scheme that represents binary data as an ASCII string. It is commonly used for embedding images in HTML/CSS or transmitting binary data over text-only protocols.

QIs my data safe?

A

Yes, all encoding and decoding happens entirely in your browser. No data is ever sent to our servers.