What Base64 does
Base64 converts binary data into portable ASCII text. This tool handles Unicode correctly and supports standard and URL-safe Base64 without sending your content to a server.
Common uses
- Encode API payloads and small configuration values
- Decode log output and Kubernetes Secret values
- Convert URL-safe Base64 used by JWT and OAuth
Privacy and limitations
Encoding and decoding happen entirely in this browser tab. ParseNest never receives the input or result.
Always validate security-sensitive output in the authoritative application or platform.
Frequently asked questions
Is Base64 encryption?
No. Base64 is reversible encoding and does not protect secrets.
Does it support Unicode?
Yes. Text is converted through UTF-8 before encoding and after decoding.
What is Base64URL?
Base64URL replaces + and / with URL-safe characters and often omits padding.