THE DEVELOPER TOOLBOX / 01
The little tools
that save a context switch.
Quick, focused utilities for the formats you touch every day. Your data stays in this browser tab.
JSON formatter
Validate JSON and format it for reading, sharing, or debugging.
Open tool →Base64 converter
Encode and decode UTF-8 text with clear handling for invalid input.
Open tool →JWT viewer
Inspect header and claims locally. Decoding does not verify a signature.
Open tool →ADVERTISEMENT