JSON Tools
Format, validate, inspect, and convert JSON into typed code or SQL.
Fast · Free · Runs locally
Free developer tools that run in your browser
Format JSON, generate TypeScript, Go, Python, or SQL, convert timestamps, build Cron schedules, encode Base64, and create UUIDs—without uploads or sign-up.
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Developer tools
Open a tool and start working immediately. Every utility is free and requires no account.
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JSON Formatter
Format, validate, and explore JSON in an interactive tree view.
TS
JSON to TypeScript
Generate readable TypeScript types and interfaces from JSON.
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Timestamp Converter
Convert Unix timestamps and readable dates across time zones.
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Cron Generator
Build cron expressions visually and preview upcoming runs.
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Base64
Encode and decode Unicode text as Base64 in your browser.
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UUID Generator
Generate secure UUID v4 and sortable UUID v7 values.
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5 tools
Date & Time
Convert timestamps, time zones, and cron expressions.
Encoding Tools
Encode and decode Unicode text with Base64.
Generators
Generate secure UUID v4 and time-sortable UUID v7 values.
Private by default
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Current Tinyfy Tools utilities process your input directly in the browser. No account is required.
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Tool input is processed on your device.
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Free utilities
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