How to Encode Text as Base64
Last updated August 22, 2026
Understand Base64 encoding, convert plain text safely and know why Base64 should never be treated as encryption.
What this tool does
The Uvolix Base64 Encoder processes your input quickly without requiring an account. It is designed for focused, everyday tasks on mobile and desktop browsers.
How to use it
- Open the Base64 Encoder page.
- Enter ordinary text, run the encoder and copy the generated Base64 string. The output can represent text in systems that expect ASCII-safe data.
- Check the result, then use the copy or download option where available.
Practical example
The text โHelloโ becomes SGVsbG8=. Anyone can decode it, so the result is not secret.
Common mistake to avoid
Never use Base64 alone to protect passwords, tokens or confidential information. It changes representation, not security.
Privacy and accuracy
Avoid entering secrets or regulated personal data into any website tool. Always verify important output before using it in production, publishing it or sharing it with another person.
When this tool is useful
Use it for quick checks, drafting, development and routine formatting. For automated or high-volume workflows, use a tested local script or an appropriate application library.
Encode text to Base64.