Base64 Encoder and Decoder
Base64 is a binary-to-text representation commonly used to transport bytes through text-oriented systems. It is encoding, not encryption.
Quick answer
Encode text to Base64 or decode Base64 text directly in your browser. The core operation is designed for quick browser-based use without an account.
How to use this tool
- Choose encode or decode
- Enter text
- And run the operation. review the decoded output before using it.
Common errors and things to check
Base64 strings can represent arbitrary bytes and may contain padding. Decoding Base64 does not make secret data secure.
Common use cases
- Encoding API payload fragments
- Inspecting encoded test data
- Converting text representations
Privacy and local processing
Core processing for this tool is designed to happen in your browser. The page does not intentionally upload ordinary tool input to a DataToolBase server. Do not paste passwords, private keys, access tokens, personal data, or other sensitive secrets unless you have verified the security requirements for your use case.
Frequently asked questions
Is Base64 encryption?
No. Base64 is an encoding scheme and can be decoded by anyone who has the encoded data.
Does it support Unicode text?
The tool is designed to handle UTF-8 text for ordinary text encoding/decoding.