Developer Tools
Format code, inspect data and validate supported schemas.
Developer Tools
Showing 21–40 of 72 tools
HTML Formatter
Parse and format source with a pinned local Prettier browser bundle.
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HTML Minifier
Minify HTML fragments or documents locally while preserving script, style, pre, and textarea content.
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HTML Sanitizer
Remove scripts, event handlers and unsupported markup from basic HTML. Review the cleaned fragment and a contained preview.
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HTML to JSX Converter
Convert an HTML fragment to JSX with React attribute names, style objects and self-closing elements.
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HTML Validator
HTML markup diagnostics with line and column locations. Run bundled html-validate rules against the supplied HTML source without executing it.
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IPv4 Subnet Calculator
Calculate IPv4 subnet details from an address and CIDR prefix, including /31 and /32 cases.
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JavaScript Beautifier
Parse and format source with a pinned local Prettier browser bundle.
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JavaScript Minifier
Parse JavaScript with Terser and print compact syntax with compression and name mangling disabled.
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JSON Diff Checker
Compare two JSON values by structure. See changed paths without treating object key order as a difference.
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JSON Schema Generator from JSON
Infer a draft-07 JSON Schema from a sample object or object array, then review it before using it as a contract.
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JSON Schema to TypeScript Converter
Generate TypeScript definitions from a local JSON Schema. Structural types and internal definitions become source code; runtime validation rules still need a validator.
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JSON Schema Validator
Validate JSON against a draft-07 or 2020-12 schema. Review error paths without sending the documents to a server.
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JSON String Escape Converter
Quote raw text as a JSON string or decode one JSON string literal.
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JSON to C# Class Generator
Generate nested C# model definitions from a JSON example. Review the inferred fields, then copy or download the source.
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JSON to Go Struct Generator
Generate nested Go model definitions from a JSON example. Review the inferred fields, then copy or download the source.
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JSON to Java class Generator
Generate plain Java model classes from a JSON object or object array. Download a ZIP with separate class files, then review inferred types and add your serializer mapping.
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JSON to Kotlin Data Class Generator
Generate nested Kotlin model definitions from a JSON example. Review the inferred fields, then copy or download the source.
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JSON to PHP Array Converter
Generate a PHP array expression from JSON without running code.
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JSON to Protobuf Converter
Draft proto3 messages from a JSON sample. Review inferred scalar types, nested messages and numbered fields before adopting the schema in a protocol.
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JSON to Python Dataclass Generator
Infer nested Python dataclass definitions from JSON example records.
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