Encode plain text into Base64 or decode Base64 back to text instantly. Everything is processed securely in your browser.
Output
Status
Ready
Characters
Input: 0 | Output: 0
How to Use Base64 Encoder / Decoder
- Enter text or a Base64 string.
- Click Encode or Decode.
- Copy or download the output if needed.
Features
- Base64 Encode
- Base64 Decode
- Swap Input & Output
- Copy Output
- Download Output
- Live Character Counter
- Works completely offline
Frequently Asked Questions
Is my data uploaded?
No. All encoding and decoding happens directly in your browser.
Can I decode invalid Base64?
If the Base64 string is invalid, the tool will display an error message.