Tool Directory

The Developer Ecosystem

100% Private, client-side tools categorized for your professional workflow.

145+Tools
10Categories
100%Secure

JSON Essentials

11 Tools

Professional JSON Formatter & Beautifier

Free online JSON formatter & repair: beautify API payloads fast in your browser. No ads, no upload—private for US, EU & global teams.

Ready
Open

Real-Time JSON Validator & Syntax Checker

Free online JSON validator: find syntax errors fast before deploy. No ads—runs locally in your browser for private, instant validation.

Ready
Open

JSON Cleaner

JSON Cleaner: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

JSON Editor

JSON Tool: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

JSON Pretty Print

JSON Tool: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

JSON Viewer

JSON Tool: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

JSON Parser

JSON Tool: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

JSON Minify

JSON Minify: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

JSON Reader

JSON Tool: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

JSON One Line

JSON Tool: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

JSON Key Sorter

JSON Key Sorter: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

Data to Class Hub

36 Tools

JSON to TypeScript Interface Generator

Free online JSON to TypeScript generator: interfaces fast, no ads. Client-side only—your JSON never uploads. Ideal for US/EU privacy needs.

Code Gen
Open

JSON to Java Generator

Generate Java from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Python Generator

Generate Python from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Rust Generator

Generate Rust from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Go Generator

Generate Go from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to C# Generator

Generate C# from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Swift Generator

Generate Swift from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to C++ Generator

Generate C++ from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Kotlin Generator

Generate Kotlin from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Ruby Generator

Generate Ruby from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Dart Generator

Generate Dart from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Java Generator

Generate Java from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Python Generator

Generate Python from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Rust Generator

Generate Rust from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Haskell Generator

Generate Haskell from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Elm Generator

Generate Elm from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Flow Generator

Generate Flow from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Objective-C Generator

Generate Objective-C from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to PropTypes Generator

Generate PropTypes from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Crystal Generator

Generate Crystal from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

JSON to Pike Generator

Generate Pike from JSON in the browser. Private, no upload. Validate JSON first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Swift Generator

Generate Swift from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Go Generator

Generate Go from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to C# Generator

Generate C# from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to C++ Generator

Generate C++ from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Kotlin Generator

Generate Kotlin from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Ruby Generator

Generate Ruby from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Dart Generator

Generate Dart from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Crystal Generator

Generate Crystal from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Haskell Generator

Generate Haskell from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Elm Generator

Generate Elm from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Flow Generator

Generate Flow from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to PropTypes Generator

Generate PropTypes from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Objective-C Generator

Generate Objective-C from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to Pike Generator

Generate Pike from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

XML to TypeScript Generator

Generate TypeScript from XML in the browser. Private, no upload. Validate XML first. For APIs, DTOs, and codegen.

Code Gen
Open

Conversion Tools

58 Tools

JSON to CSV Converter

Convert JSON to CSV locally. No upload. Long-tail: free JSON CSV converter for APIs, configs, and data pipelines.

Ready
Open

Free Online JSON to YAML Converter

Free online JSON to YAML converter—fast, no ads. DevOps-friendly (K8s, CI); 100% browser-based, no upload for US, EU & worldwide teams.

Ready
Open

JSON to Zod Schema Generator

Free online JSON to Zod schema generator—fast, no ads. Build validation in-browser for Next.js & TS; nothing leaves your device.

Ready
Open

JSON Stringify

JSON Tool: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

JSON to XML Converter

Convert JSON to XML locally. No upload. Long-tail: free JSON XML converter for APIs, configs, and data pipelines.

Ready
Open

JSON to Excel Converter

Convert JSON to Excel locally. No upload. Long-tail: free JSON Excel converter for APIs, configs, and data pipelines.

Ready
Open

JSON to RSS Converter

Convert JSON to RSS locally. No upload. Long-tail: free JSON RSS converter for APIs, configs, and data pipelines.

Ready
Open

JSON to HTML Converter

Convert JSON to HTML locally. No upload. Long-tail: free JSON HTML converter for APIs, configs, and data pipelines.

Ready
Open

JSON to String Converter

Convert JSON to String locally. No upload. Long-tail: free JSON String converter for APIs, configs, and data pipelines.

Ready
Open

XML to JSON Converter

Convert XML to JSON locally. No upload. Long-tail: free XML JSON converter for APIs, configs, and data pipelines.

Ready
Open

XML to YAML Converter

Convert XML to YAML locally. No upload. Long-tail: free XML YAML converter for APIs, configs, and data pipelines.

Ready
Open

XML to CSV Converter

Convert XML to CSV locally. No upload. Long-tail: free XML CSV converter for APIs, configs, and data pipelines.

Ready
Open

XML to Excel Converter

Convert XML to Excel locally. No upload. Long-tail: free XML Excel converter for APIs, configs, and data pipelines.

Ready
Open

XML to RSS Converter

Convert XML to RSS locally. No upload. Long-tail: free XML RSS converter for APIs, configs, and data pipelines.

Ready
Open

XML to HTML Converter

Convert XML to HTML locally. No upload. Long-tail: free XML HTML converter for APIs, configs, and data pipelines.

Ready
Open

XML to String Converter

Convert XML to String locally. No upload. Long-tail: free XML String converter for APIs, configs, and data pipelines.

Ready
Open

YAML to JSON Converter

Convert YAML to JSON locally. No upload. Long-tail: free YAML JSON converter for APIs, configs, and data pipelines.

Ready
Open

YAML to XML Converter

Convert YAML to XML locally. No upload. Long-tail: free YAML XML converter for APIs, configs, and data pipelines.

Ready
Open

YAML to CSV Converter

Convert YAML to CSV locally. No upload. Long-tail: free YAML CSV converter for APIs, configs, and data pipelines.

Ready
Open

YAML to Excel Converter

Convert YAML to Excel locally. No upload. Long-tail: free YAML Excel converter for APIs, configs, and data pipelines.

Ready
Open

YAML to RSS Converter

Convert YAML to RSS locally. No upload. Long-tail: free YAML RSS converter for APIs, configs, and data pipelines.

Ready
Open

YAML to HTML Converter

Convert YAML to HTML locally. No upload. Long-tail: free YAML HTML converter for APIs, configs, and data pipelines.

Ready
Open

YAML to String Converter

Convert YAML to String locally. No upload. Long-tail: free YAML String converter for APIs, configs, and data pipelines.

Ready
Open

CSV to JSON Converter

Convert CSV to JSON locally. No upload. Long-tail: free CSV JSON converter for APIs, configs, and data pipelines.

Ready
Open

CSV to XML Converter

Convert CSV to XML locally. No upload. Long-tail: free CSV XML converter for APIs, configs, and data pipelines.

Ready
Open

CSV to YAML Converter

Convert CSV to YAML locally. No upload. Long-tail: free CSV YAML converter for APIs, configs, and data pipelines.

Ready
Open

CSV to Excel Converter

Convert CSV to Excel locally. No upload. Long-tail: free CSV Excel converter for APIs, configs, and data pipelines.

Ready
Open

CSV to RSS Converter

Convert CSV to RSS locally. No upload. Long-tail: free CSV RSS converter for APIs, configs, and data pipelines.

Ready
Open

CSV to HTML Converter

Convert CSV to HTML locally. No upload. Long-tail: free CSV HTML converter for APIs, configs, and data pipelines.

Ready
Open

CSV to String Converter

Convert CSV to String locally. No upload. Long-tail: free CSV String converter for APIs, configs, and data pipelines.

Ready
Open

Excel to JSON Converter

Convert Excel to JSON locally. No upload. Long-tail: free Excel JSON converter for APIs, configs, and data pipelines.

Ready
Open

Excel to XML Converter

Convert Excel to XML locally. No upload. Long-tail: free Excel XML converter for APIs, configs, and data pipelines.

Ready
Open

Excel to YAML Converter

Convert Excel to YAML locally. No upload. Long-tail: free Excel YAML converter for APIs, configs, and data pipelines.

Ready
Open

Excel to CSV Converter

Convert Excel to CSV locally. No upload. Long-tail: free Excel CSV converter for APIs, configs, and data pipelines.

Ready
Open

Excel to RSS Converter

Convert Excel to RSS locally. No upload. Long-tail: free Excel RSS converter for APIs, configs, and data pipelines.

Ready
Open

Excel to HTML Converter

Convert Excel to HTML locally. No upload. Long-tail: free Excel HTML converter for APIs, configs, and data pipelines.

Ready
Open

Excel to String Converter

Convert Excel to String locally. No upload. Long-tail: free Excel String converter for APIs, configs, and data pipelines.

Ready
Open

RSS to JSON Converter

Convert RSS to JSON locally. No upload. Long-tail: free RSS JSON converter for APIs, configs, and data pipelines.

Ready
Open

RSS to XML Converter

Convert RSS to XML locally. No upload. Long-tail: free RSS XML converter for APIs, configs, and data pipelines.

Ready
Open

RSS to YAML Converter

Convert RSS to YAML locally. No upload. Long-tail: free RSS YAML converter for APIs, configs, and data pipelines.

Ready
Open

RSS to CSV Converter

Convert RSS to CSV locally. No upload. Long-tail: free RSS CSV converter for APIs, configs, and data pipelines.

Ready
Open

RSS to Excel Converter

Convert RSS to Excel locally. No upload. Long-tail: free RSS Excel converter for APIs, configs, and data pipelines.

Ready
Open

RSS to HTML Converter

Convert RSS to HTML locally. No upload. Long-tail: free RSS HTML converter for APIs, configs, and data pipelines.

Ready
Open

RSS to String Converter

Convert RSS to String locally. No upload. Long-tail: free RSS String converter for APIs, configs, and data pipelines.

Ready
Open

HTML to JSON Converter

Convert HTML to JSON locally. No upload. Long-tail: free HTML JSON converter for APIs, configs, and data pipelines.

Ready
Open

HTML to XML Converter

Convert HTML to XML locally. No upload. Long-tail: free HTML XML converter for APIs, configs, and data pipelines.

Ready
Open

HTML to YAML Converter

Convert HTML to YAML locally. No upload. Long-tail: free HTML YAML converter for APIs, configs, and data pipelines.

Ready
Open

HTML to CSV Converter

Convert HTML to CSV locally. No upload. Long-tail: free HTML CSV converter for APIs, configs, and data pipelines.

Ready
Open

HTML to Excel Converter

Convert HTML to Excel locally. No upload. Long-tail: free HTML Excel converter for APIs, configs, and data pipelines.

Ready
Open

HTML to RSS Converter

Convert HTML to RSS locally. No upload. Long-tail: free HTML RSS converter for APIs, configs, and data pipelines.

Ready
Open

HTML to String Converter

Convert HTML to String locally. No upload. Long-tail: free HTML String converter for APIs, configs, and data pipelines.

Ready
Open

String to JSON Converter

Convert String to JSON locally. No upload. Long-tail: free String JSON converter for APIs, configs, and data pipelines.

Ready
Open

String to XML Converter

Convert String to XML locally. No upload. Long-tail: free String XML converter for APIs, configs, and data pipelines.

Ready
Open

String to YAML Converter

Convert String to YAML locally. No upload. Long-tail: free String YAML converter for APIs, configs, and data pipelines.

Ready
Open

String to CSV Converter

Convert String to CSV locally. No upload. Long-tail: free String CSV converter for APIs, configs, and data pipelines.

Ready
Open

String to Excel Converter

Convert String to Excel locally. No upload. Long-tail: free String Excel converter for APIs, configs, and data pipelines.

Ready
Open

String to RSS Converter

Convert String to RSS locally. No upload. Long-tail: free String RSS converter for APIs, configs, and data pipelines.

Ready
Open

String to HTML Converter

Convert String to HTML locally. No upload. Long-tail: free String HTML converter for APIs, configs, and data pipelines.

Ready
Open

Data Utilities

2 Tools

JSON Compare

JSON Compare: client-side JSON tool. Works offline. Use with formatter and validator.

Ready
Open

Mock JSON Generator

Generate mock JSON for tests and prototypes. Client-side. Combine with TypeScript codegen.

Ready
Open

Security Tools

1 Tools

JWT Decoder & Inspector

Inspect JWT payload and header locally. Decode only—not signature verification.

Ready
Open

JSON5 Ecosystem

2 Tools

JSON5 Formatter

Format JSON5 in the browser. Private. For dev workflows and asset prep.

Ready
Open

JSON5 Validator

JSON5 with comments and trailing commas. Validate or format in browser. Stricter JSON available via JSON Validator.

Ready
Open

TOON Ecosystem

4 Tools

TOON Formatter

Format TOON in the browser. Private. For dev workflows and asset prep.

Ready
Open

Toon validator

TOON format tools in the browser. Compact JSON-related encoding. Validate before pipeline use.

Ready
Open

TOON to JSON Converter

Convert TOON to JSON locally. No upload. Long-tail: free TOON JSON converter for APIs, configs, and data pipelines.

Ready
Open

JSON to TOON Converter

Convert JSON to TOON locally. No upload. Long-tail: free JSON TOON converter for APIs, configs, and data pipelines.

Ready
Open

Web Formatter & CSS Hub

18 Tools

HTML Formatter

Format HTML in the browser. Private. For dev workflows and asset prep.

Ready
Open

CSS Formatter

Format CSS in the browser. Private. For dev workflows and asset prep.

Ready
Open

JavaScript Formatter

Format JavaScript in the browser. Private. For dev workflows and asset prep.

Ready
Open

TypeScript Formatter

Format TypeScript in the browser. Private. For dev workflows and asset prep.

Ready
Open

GraphQL Formatter

Format GraphQL in the browser. Private. For dev workflows and asset prep.

Ready
Open

PHP Formatter

Format PHP in the browser. Private. For dev workflows and asset prep.

Ready
Open

Markdown Formatter

Format Markdown in the browser. Private. For dev workflows and asset prep.

Ready
Open

SCSS Formatter

Format SCSS in the browser. Private. For dev workflows and asset prep.

Ready
Open

Less Formatter

Format Less in the browser. Private. For dev workflows and asset prep.

Ready
Open

SQL Formatter

Format SQL in the browser. Private. For dev workflows and asset prep.

Ready
Open

HTML Minifier

Minify HTML in the browser. Private. For dev workflows and asset prep.

Ready
Open

CSS Minifier

Minify CSS in the browser. Private. For dev workflows and asset prep.

Ready
Open

JavaScript Minifier

Minify JavaScript in the browser. Private. For dev workflows and asset prep.

Ready
Open

Css to scss

Convert Css to scss in the browser. Private. For front-end build and design-system workflows.

Ready
Open

Css to sass

Convert Css to sass in the browser. Private. For front-end build and design-system workflows.

Ready
Open

Css to less

Convert Css to less in the browser. Private. For front-end build and design-system workflows.

Ready
Open

Scss to css

Convert Scss to css in the browser. Private. For front-end build and design-system workflows.

Ready
Open

Less to css

Convert Less to css in the browser. Private. For front-end build and design-system workflows.

Ready
Open

Encoding Utilities

7 Tools

Base64 encode

Base64 encode in your browser. No server. Safe for quick encode/decode tasks. Pair with JSON tools when needed.

Ready
Open

Base64 decode

Base64 decode in your browser. No server. Safe for quick encode/decode tasks. Pair with JSON tools when needed.

Ready
Open

Base64 to JSON Converter

Convert Base64 to JSON locally. No upload. Long-tail: free Base64 JSON converter for APIs, configs, and data pipelines.

Ready
Open

Base64 to XML Converter

Convert Base64 to XML locally. No upload. Long-tail: free Base64 XML converter for APIs, configs, and data pipelines.

Ready
Open

Base64 to YAML Converter

Convert Base64 to YAML locally. No upload. Long-tail: free Base64 YAML converter for APIs, configs, and data pipelines.

Ready
Open

Url encode

Url encode in your browser. No server. Safe for quick encode/decode tasks. Pair with JSON tools when needed.

Ready
Open

Url decode

Url decode in your browser. No server. Safe for quick encode/decode tasks. Pair with JSON tools when needed.

Ready
Open

Security Escapers

6 Tools

Html escape

Html escape in your browser. No server. Safe for quick encode/decode tasks. Pair with JSON tools when needed.

Ready
Open

Html unescape

Html unescape in your browser. No server. Safe for quick encode/decode tasks. Pair with JSON tools when needed.

Ready
Open

Xml escape

Xml escape in your browser. No server. Safe for quick encode/decode tasks. Pair with JSON tools when needed.

Ready
Open

Xml unescape

Xml unescape in your browser. No server. Safe for quick encode/decode tasks. Pair with JSON tools when needed.

Ready
Open

Js escape

Js escape in your browser. No server. Safe for quick encode/decode tasks. Pair with JSON tools when needed.

Ready
Open

Sql escape

Sql escape in your browser. No server. Safe for quick encode/decode tasks. Pair with JSON tools when needed.

Ready
Open