Online tools for developers

Small tools that help while you set up automations: decode a JWT, check a cron schedule and tidy up JSON. Everything runs in your browser for free.

Build it in the builder
  • Cron expression online: check it and see the next runs

    Check a cron expression online: the schedule in plain words and the next 5 runs in your local time and in UTC. Ready-made examples and clear error messages.

  • JSON formatter and validator online

    Format and validate JSON online: indentation, one-line minify, sorted keys and the exact spot of an error. Runs in your browser, your data is not sent anywhere.

  • JWT decoder online

    Paste a JWT to see its header, payload and expiry in your local time. HS256, HS384 and HS512 signatures are checked in the browser, the token stays with you.

Build your first scheme for free

Sign-up is free and needs no card. Every month the balance is topped up to $3.50 for free, enough for about 3,500 runs of basic blocks.

Build it in the builder