Encode text to Base64 or decode Base64 back to readable text instantly. 100% free, private, and processed entirely in your browser.
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How to Encode or Decode Base64
1
Choose Mode
Select Encode or Decode mode from the tabs above.
2
Enter Your Text
Type or paste your text or Base64 string.
3
Copy Result
Your converted result appears instantly below.
Why Use Our Base64 Tool
🔄 Encode & DecodeSwitch between modes instantly.
🔒 100% PrivateNothing is sent to a server.
⚡ Real-TimeResults update as you type.
🆓 Completely FreeNo signup, no limits, no ads.
🔁 Swap FeatureInstantly swap input and output.
📋 One-Click CopyCopy your result instantly.
Frequently Asked Questions
Is this Base64 tool free to use? ▾
Yes, this tool is 100% free with no signup required.
What is Base64 encoding used for? ▾
Base64 is used to encode binary or text data into an ASCII string format, commonly used for data transmission and embedding.
Is my data stored anywhere? ▾
No. All encoding and decoding happens locally in your browser and nothing is sent to a server.
Can I decode any Base64 string? ▾
Yes, as long as the string is valid Base64 format, it will be decoded correctly.