Create polished QR codes for links, text and sharing.

Generate strong local passwords and passphrases.

Compare JSON payloads and copy a JSON Patch.

Convert YAML and JSON with validation and safety hints.

Decode, edit, verify and re-sign JWTs.

Turn cURL into TypeScript, Python or Go request code.

Encode and decode Base64 files locally.

Split itemized bills by who ate what and export a report.

Compare true ownership cost, rental wealth and the break-even point.

Convert common units with simple controls or natural text.

Review and visualize database schemas.

Create a temporary endpoint and inspect incoming requests.