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Stop writing one-off scripts

Paste your JSON or CSV, get instant results. Built for developers who value their time.

Try Duplicate CheckerTry JSON Formatter

Available Tools

Duplicate Checker

Find duplicate values by any key. Supports single and multi-key detection.

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Data Mapper

Extract and transform fields. Convert array of objects to simple arrays.

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Validator

Check required fields, null values, and validate data types.

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JSON Diff

Compare two JSON objects. Find added, removed, and changed values.

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JSON Formatter

Beautify, minify JSON. Convert between JSON and CSV formats.

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UUID Generator

Generate UUIDs, nanoids, or custom IDs in bulk.

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Base64 / JWT

Encode/decode Base64 strings. Inspect JWT tokens.

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LazyDevLazyDev

Free data utilities for developers who hate writing one-off scripts.

Data Processing

  • Duplicate Checker
  • Data Mapper
  • Validator

Utilities

  • JSON Formatter
  • JSON Diff
  • UUID Generator
  • Base64 / JWT

Resources

  • Pricing
  • History

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