Base64 Encoder/Decoder

Base64 Encoder/Decoder

Need to encode or decode Base64 quickly and reliably? Our free Base64 Encoder/Decoder is a fast, distraction-free tool built for developers, students, and tech users. Whether you’re converting data for APIs, encoding binary files, or debugging authentication tokens, this tool makes Base64 conversion easy and accurate, right in your browser.

Base64 Encoder/Decoder

Encoder

Decoder

Recent Conversions

Base64 Encoder/Decoder | Free Online Tool

⚡ Key Features

Base64 Encoder

Paste or type plain text and get Base64 encoded string instantly with one click.

Base64 Decoder

Enter Base64 string and see the decoded plain text with error handling for invalid input.

Clipboard Actions

Copy results to clipboard with one click for quick use in other applications.

Clear/Reset Buttons

Quickly clear all input/output fields to start fresh with new conversions.

Local History

Automatically saves your recent conversions locally for easy access and reuse.

Light/Dark Mode

Switch between themes for comfortable use in any lighting condition.

🛠️ Who Can Use This Base64 Tool?

Developers

  • Encode API payloads and binary data
  • Decode JWT tokens and API keys
  • Handle data in HTML, JSON, or XML formats

Students

  • Learn how Base64 encoding/decoding works
  • Experiment with different text inputs
  • Understand data representation concepts

Security Analysts

  • Decode encoded payloads
  • Analyze base64-based malware
  • Inspect security tokens

System Admins

  • Troubleshoot configuration files
  • Handle encoded credentials
  • Work with encoded data in logs

🌐 Why Use Our Base64 Encoder/Decoder Online?

100% Free

Completely free with no sign-up required. No hidden costs or limitations.

Works Everywhere

Runs in any modern browser on both desktop and mobile devices.

Fast & Lightweight

Instant conversions with no ads or unnecessary bloat.

Accurate Results

Reliable encoding and decoding every time with proper error handling.

What is Base64 Encoding?

Base64 encoding is a method of converting binary data into ASCII text format. It’s commonly used in data URLs, email attachments, web APIs, and secure token storage (like JWT). With our tool, you can quickly encode plain text to Base64 or decode Base64 strings to readable text, without installing any software or using command-line tools.

Common Use Cases

  • Encoding data for HTML, JSON, or XML
  • Decoding JWT tokens or API keys
  • Sending data over email or HTTP safely
  • Storing binary files in database fields
  • Debugging encoded messages or obfuscated data

Start Encoding and Decoding Now!

No installation. No hassle. Just a clean, fast, and developer-focused Base64 encoder and decoder tool that works right in your browser. Try it now and convert your data with confidence.