Local by design
Input stays in this browser tab. Nothing is uploaded or stored. Copy the result when you need it.
Convert between Unix seconds and a readable UTC date.
Input stays in this browser tab. Nothing is uploaded or stored. Copy the result when you need it.
Generate SHA-256 or SHA-512 hashes locally in your browser.
Validate, format, and compact JSON without sending it anywhere.
Why this garden starts with files, explicit links, and a build you can understand.