JS Developer Tools

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JS Minifier

Minify JS to one line

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JS Beautifier

Format and beautify JS code

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JS Obfuscator

JS Obfuscator — free browser-based tool

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JSON Minifier

Minify JSON to one line

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JSON to CSV

JSON to CSV — free browser-based tool

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CSV to JSON

CSV to JSON — free browser-based tool

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JSON to TypeScript

JSON to TypeScript — free browser-based tool

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JSON Diff

Diff two JSON objects and highlight changes

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JSON Path Tester

Test JSONPath expressions on live data

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JSON Schema Validator

Validate JSON against a schema

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JS Console Simulator

Run JavaScript snippets in a mini console

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npm Package Size Checker

Check npm package bundle size online

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TypeScript Playground

Compile TypeScript to JavaScript online