Tool Directory

The Developer Ecosystem

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

145+Tools
10Categories
100%Secure

JSON Essentials

11 Tools

JSON — Beautify

Format and repair JSON in the browser. Pretty-print minified API JSON. Works with validator and minify tools.

Ready
Open

JSON — Syntax Check

Validate JSON syntax online. Find line errors fast. Client-side only. Pair with formatter for large payloads.

Ready
Open

JSON Cleaner —

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

Ready
Open

JSON Tool —

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

Ready
Open

JSON Tool —

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

Ready
Open

JSON Tool —

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

Ready
Open

JSON Tool —

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 Tool —

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

Ready
Open

JSON Tool —

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

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

Code Gen
Open

JSON to Java

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

Code Gen
Open

JSON to Python

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

Code Gen
Open

JSON to Rust

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

Code Gen
Open

JSON to Go

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

Code Gen
Open

JSON to C#

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

Code Gen
Open

JSON to Swift

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

Code Gen
Open

JSON to C++

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

Code Gen
Open

JSON to Kotlin

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

Code Gen
Open

JSON to Ruby

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

Code Gen
Open

JSON to Dart

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

Code Gen
Open

XML to Java

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

Code Gen
Open

XML to Python

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

Code Gen
Open

XML to Rust

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

Code Gen
Open

JSON to Haskell

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

Code Gen
Open

JSON to Elm

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

Code Gen
Open

JSON to Flow

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

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

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

Code Gen
Open

JSON to Crystal

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

Code Gen
Open

JSON to Pike

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

Code Gen
Open

XML to Swift

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

Code Gen
Open

XML to Go

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

Code Gen
Open

XML to C#

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

Code Gen
Open

XML to C++

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

Code Gen
Open

XML to Kotlin

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

Code Gen
Open

XML to Ruby

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

Code Gen
Open

XML to Dart

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

Code Gen
Open

XML to Crystal

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

Code Gen
Open

XML to Haskell

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

Code Gen
Open

XML to Elm

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

Code Gen
Open

XML to Flow

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

Code Gen
Open

XML to PropTypes

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

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

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

Code Gen
Open

XML to TypeScript

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

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

Ready
Open

JSON to YAML

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

Ready
Open

JSON to Zod

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

Ready
Open

JSON Tool —

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

Ready
Open

JSON to XML

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

Ready
Open

JSON to Excel

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

Ready
Open

JSON to RSS

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

Ready
Open

JSON to HTML

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

Ready
Open

JSON to String

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

Ready
Open

XML to JSON

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

Ready
Open

XML to YAML

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

Ready
Open

XML to CSV

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

Ready
Open

XML to Excel

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

Ready
Open

XML to RSS

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

Ready
Open

XML to HTML

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

Ready
Open

XML to String

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

Ready
Open

YAML to JSON

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

Ready
Open

YAML to XML

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

Ready
Open

YAML to CSV

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

Ready
Open

YAML to Excel

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

Ready
Open

YAML to RSS

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

Ready
Open

YAML to HTML

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

Ready
Open

YAML to String

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

Ready
Open

CSV to JSON

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

Ready
Open

CSV to XML

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

Ready
Open

CSV to YAML

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

Ready
Open

CSV to Excel

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

Ready
Open

CSV to RSS

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

Ready
Open

CSV to HTML

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

Ready
Open

CSV to String

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

Ready
Open

Excel to JSON

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

Ready
Open

Excel to XML

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

Ready
Open

Excel to YAML

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

Ready
Open

Excel to CSV

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

Ready
Open

Excel to RSS

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

Ready
Open

Excel to HTML

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

Ready
Open

Excel to String

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

Ready
Open

RSS to JSON

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

Ready
Open

RSS to XML

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

Ready
Open

RSS to YAML

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

Ready
Open

RSS to CSV

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

Ready
Open

RSS to Excel

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

Ready
Open

RSS to HTML

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

Ready
Open

RSS to String

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

Ready
Open

HTML to JSON

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

Ready
Open

HTML to XML

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

Ready
Open

HTML to YAML

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

Ready
Open

HTML to CSV

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

Ready
Open

HTML to Excel

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

Ready
Open

HTML to RSS

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

Ready
Open

HTML to String

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

Ready
Open

String to JSON

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

Ready
Open

String to XML

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

Ready
Open

String to YAML

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

Ready
Open

String to CSV

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

Ready
Open

String to Excel

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

Ready
Open

String to RSS

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

Ready
Open

String to HTML

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

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

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

Ready
Open

JSON5

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

Ready
Open

TOON Ecosystem

4 Tools

TOON

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

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

Ready
Open

JSON to TOON

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

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

Ready
Open

CSS

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

Ready
Open

JavaScript

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

Ready
Open

TypeScript

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

Ready
Open

GraphQL

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

Ready
Open

PHP

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

Ready
Open

Markdown

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

Ready
Open

SCSS

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

Ready
Open

Less

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

Ready
Open

SQL

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

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

Ready
Open

Base64 to XML

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

Ready
Open

Base64 to YAML

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