Base64 Encoder & Decoder
Stop pasting sensitive credentials into online decoders. Omnitool provides a native, offline-first environment for all your Base64 transformations.
Why use an offline decoder?
Online tools often log your inputs. If you're decoding API keys, environment variables, or private tokens, you are risking data exposure. Omnitool processes everything locally on your CPU.
- ✓ Standard Base64 & URL-safe support
- ✓ Instant "Magic Open" from clipboard
- ✓ Chain with JSON or JWT tools
// Input
SGVsbG8gT21uaXRvb2wh
// Decoded Result
Hello Omnitool!