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Format XML, convert between XML and JSON, beautify JSON, and encode Base64 — all instantly in your browser. Zero server processing.

⚙️ Try XML Formatter 📋 JSON Viewer

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XML Formatter & Validator

Instantly clean up messy XML, apply proper indentation, and validate document structure using your browser's native parser. Spot syntax errors immediately.

XMLValidatorFormatterIndentation

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XML ↔ JSON Converter

Bidirectional conversion between XML and JSON formats. Supports attributes, nested elements, and arrays. Switch direction with a single click.

XMLJSONConverterBidirectional

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JSON Formatter & Tree Viewer

Beautify and minify JSON strings with configurable indentation. Inspect structure with an interactive, collapsible tree view — perfect for debugging API responses.

JSONBeautifyMinifyTree View

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Base64 Encoder & Decoder

Encode plain text to Base64 format or decode Base64 strings back to clean readable text instantly using your browser's native APIs.

Base64EncodeDecode

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JSON Viewer & Tree Explorer

Visualize JSON data as a collapsible, syntax-highlighted tree. Navigate deeply nested API responses and config files with ease.

JSONTree ViewExplorerViewer

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JSON Validator & Syntax Checker

Validate JSON with real-time error detection. Get precise line numbers, column positions, and contextual snippets to fix malformed data fast.

JSONValidatorLintSyntax

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JSON to XML Converter

Transform JSON objects into well-formed XML documents. Handles nested structures, arrays, and special character escaping automatically.

JSONXMLConverterTransform

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XML Validator & Syntax Checker

Validate XML documents for well-formedness using the browser's native DOMParser. Get structural analysis and error diagnostics instantly.

XMLValidatorWell-formedSyntax

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TypeScript to JSON Converter

Convert TypeScript interfaces to JSON mock data with sensible defaults. Perfect for generating API fixtures and test payloads.

TypeScriptJSONMock DataConverter

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Zod Schema to JSON

Transform Zod validation schemas into sample JSON objects. Great for seeding test databases and previewing API payloads from schemas.

ZodJSONSchemaMock Data

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Mongoose Schema to JSON

Parse Mongoose schema definitions and generate matching JSON documents. Ideal for MongoDB seed scripts and API documentation.

MongooseMongoDBJSONSchema

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JavaScript to TypeScript

Convert plain JavaScript to TypeScript with auto-inferred types, import conversion, and module modernization — in one click.

JavaScriptTypeScriptConverterTypes

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JSON ↔ YAML Converter

Bidirectional converter for JSON and YAML files. Swap directions in one click with syntax formatting preserved.

JSONYAMLConverterBidirectional

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HTML ↔ JSX Converter

Convert HTML syntax to React-compatible JSX format, or swap to convert JSX back to clean standard HTML elements.

HTMLJSXReactBidirectional

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Built for Developers, Built to Be Fast

No ads tracking you. No data leaving your machine. Just tools that work.

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100% Private

All tools run in your browser. Zero server calls. Your data never touches our servers.

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Instant Results

No loading spinners, no waiting. Processing happens in milliseconds, client-side.

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Always Free

No sign-ups, no subscriptions, no paywalls. Open and free for every developer.

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Works Everywhere

Optimized for desktop and mobile. Use it on any device with a modern browser.