Base64 Encoder/Decoder
Encode and Decode Base64 Strings
Transform text to Base64 encoding and vice versa with advanced options
Input
Output
Options
How It Works
1. Choose Mode
Select whether you want to encode text to Base64 or decode Base64 back to text.
2. Enter Text
Input your text in the left panel. For encoding, enter any text; for decoding, enter valid Base64-encoded text.
3. Process and Export
Click the encode/decode button to process your text. The result will appear in the right panel, ready to be copied or downloaded.
Frequently Asked Questions
What is Base64?
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to transmit binary data through systems that only support text content.
When should I use URL-safe Base64?
Use URL-safe Base64 when you need to include the encoded text in URLs or filenames. It replaces potentially problematic characters (+, /) with URL-safe alternatives (-, _).
Is my data secure?
Yes! All encoding and decoding is performed locally in your browser. Your data never leaves your device or gets sent to any servers. However, note that Base64 is not an encryption method - it's just an encoding scheme.
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