Base64 Encoder | Free Base64 Encode/Decode Tool 2026

Base64 Encoder: Encode & Decode Base64 Strings

Convert plain text to Base64 and decode Base64 back to text. Perfect for data transmission, API authentication, and embedding binary data in text formats.

Enter text and click Encode or Decode.

📊 Operations: 0

★★★★★

🔒 SSL Secure✅ GDPR🚫 No Logs

📸 Live preview — Encode text to Base64.

What is Base64?

Base64 is an encoding scheme that converts binary data into ASCII text using 64 characters (A-Z, a-z, 0-9, +, /). It is widely used to embed images in HTML/CSS, send binary data in JSON, and store complex data in text‑based formats. Our tool encodes plain text to Base64 and decodes Base64 back to text. Perfect for developers, security researchers, and data analysts.

📌 How to Use

Enter plain text or Base64 string.
Click "Encode to Base64" or "Decode Base64".
Copy the result.

✨ Features

🔢 Base64 encoding

🔓 Base64 decoding

⚡ Instant conversion

📋 Copy result

🆓 Unlimited free

🔍 Most Searched Keywords

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⚙️ How It Works

Encoding: btoa() converts text to Base64. Decoding: atob() converts Base64 to text. Supports Unicode via TextEncoder/TextDecoder.

🎯 Benefits

✅ Safe data transmission.
✅ Embed binary data in text.
✅ Free and private.

🔗 Related Tools

❓ FAQ

❓ Is Base64 secure?
No, it's encoding, not encryption.

❓ Does it support Unicode?
Yes, via UTF-8 conversion.

❓ Is it free?
Yes, forever.