Smile Tools
Runs in your browser

Private browser tools.
Connected when it matters.

Use one precise tool for a quick answer, then open a related suite when the task grows. Your data stays on your device.

Find a tool Build a recipe
  • No account
  • Local processing
  • Export-ready results
Smart workspaceLocal
Input detectedJSON object
Valid
One inputChoose a next step
FormatterReady nowOne focused task
YAML24 linesOne useful result
TypeScript3 typesGenerated locally
Next stepBuild a recipeContinue when needed →
1Start focused

Choose the smallest tool that completes your task.

2Keep context

Related outputs are one step away when needed.

3Build momentum

Turn useful results into a simple workflow.

Smart suites

One input. Every related result.

Suites remain the best place to understand a broader task without opening a chain of disconnected tabs.

Everyday01

Body Metrics Suite

Enter height and weight once. Get BMI, healthy weight range, body surface area, BMR, and daily energy estimates together.

BMIBSABMRTDEE
Open suite
Developer02

JSON Developer Suite

Paste JSON once. Validate, format, inspect, convert to YAML, generate TypeScript, and build a reusable recipe.

FormatYAMLTypeScriptSchema
Open suite
Individual tools

Get one thing done quickly.

Every focused tool has its own page, concise inputs, and a direct path to its related suite.

Body & health

BMI calculator→BMR calculator→TDEE calculator→

Data formats

JSON formatter→JSON validator→JSON to YAML→JSON to TypeScript→

Workflows

Body metrics suite→JSON developer suite→Recipe workspace→
For power users

Useful today. Composable when you are ready.

Inspect steps, remove an action, or choose a compatible next tool in the workspace.

Explore the workspace