Base64 Encode / Decode
Easily convert text to Base64 format or decode it back to plain text.
Privacy Guarantee
Your data never leaves your device. All processing happens locally in your browser using secure WebAssembly and HTML5 APIs. We do not store, keylog, or transmit your input.
Why Use Our Tool?
Instant Conversion
Encode or decode strings instantly without page reloads.
Data Integrity
Preserves your data format during valid conversions.
Developer Friendly
Perfect for debugging APIs or decoding basic auth headers.
How to Use
Choose Mode
Select 'Encode' to create Base64, or 'Decode' to read it.
Input Data
Type or paste your content into the top box.
Get Result
Copy the converted string from the Result box.
Frequently Asked Questions
What is Base64 used for?
It is often used to encode binary data (like images) into text for transmission over the web.
Is this secure?
Yes, all conversion happens locally. However, Base64 is not encryption—it can be easily decoded by anyone.