Everyday tools that never see your data.

The tools

• Time

  • UTC Live local and UTC clocks with your offset and DST status.
  • Epoch Unix timestamps to dates and back, with a live current epoch.
  • Cron Build or decode cron schedules with plain-English explanations and next runs.

• Text & Data

  • JSON Toolkit Validate, format, and lint JSON.
  • Column to List Turn a column of text into a comma-separated list, or back.
  • Mermaid Preview Preview Markdown and Mermaid diagrams.
  • Word/Token Counter Words, characters, and estimated LLM tokens as you type.

• Encoding

  • Base64 Encode and decode Base64.
  • URL Encode Percent-encode and decode strings.
  • JWT Decoder Decode JWT header and payload without the token leaving your device.

• Network & Security

  • RevealIP Your public IPv4 and IPv6 address, nothing else.
  • Password Cryptographically random passwords with length and symbol controls.