Convert TSConfig to JSON Online Free

Parse TypeScript configuration files and convert to clean JSON format. Perfect for build tools, IDE integration, and TypeScript compiler options analysis.

By ChangeThisFile Team · Last updated: March 2026

Quick Answer

ChangeThisFile converts TypeScript configuration files to JSON instantly in your browser. Drop your tsconfig.json file and all compiler options, path mappings, file inclusions, and project references are parsed into clean JSON format. Your data never leaves your device, ensuring complete privacy. Free, instant, no signup.

Free No signup required Files stay on your device Instant conversion Updated March 2026

Convert TSConfig to JSON

Drop your TSConfig file here to convert it instantly

Drag & drop your .tsconfig file here, or click to browse

Convert to JSON instantly

TSConfig vs JSON: Format Comparison

Key differences between the two formats

FeatureTypeScript ConfigJSON
FormatJSON with TypeScript-specific commentsStandard JSON without comments
CommentsSupports // and /* */ commentsNo native comment support
Compiler optionsNested compilerOptions objectStructured key-value pairs
Path mappingComplex baseUrl and paths configurationExplicit path resolution rules
File inclusionInclude/exclude arrays with glob patternsParsed file matching patterns
Project referencesReferences array for multi-project buildsExplicit project dependency mapping
ProcessingTypeScript compiler parsingStandard JSON parsing libraries

When to Convert

Common scenarios where this conversion is useful

Build tool configuration parsing

Convert tsconfig.json files to clean JSON for webpack, Vite, Rollup, and other build tools. Enable programmatic reading of TypeScript compiler options and path resolution settings.

IDE integration for TypeScript analysis

Parse TypeScript configuration files for custom IDE plugins and development tools. Extract compiler options, strict mode settings, and module resolution configuration for enhanced development experiences.

CI/CD pipeline configuration processing

Convert TypeScript configurations to JSON for automated build validation and deployment scripts. Analyze project settings to optimize build processes and ensure consistent compilation across environments.

TypeScript compiler options extraction

Extract and analyze TypeScript compiler options programmatically. Generate documentation from tsconfig.json files and validate configuration consistency across multiple projects.

Who Uses This Conversion

Tailored guidance for different workflows

For TypeScript Developers

  • Parse tsconfig.json files programmatically in build scripts and automation tools for consistent TypeScript compilation settings
  • Extract compiler options and path mappings for custom development tools and IDE plugins that need to understand project configuration
  • Validate TypeScript configuration syntax and structure by converting to JSON and checking for parsing errors or invalid options
Use JSON output to create configuration validation tools that check for conflicting or deprecated TypeScript compiler options
Integrate parsed tsconfig data into development workflows to ensure consistent TypeScript settings across team projects

For Frontend Engineers

  • Convert TypeScript configurations to JSON for build tool integration with webpack, Vite, Rollup, and other bundlers that need pure JSON
  • Parse tsconfig.json files in deployment scripts to optimize build processes and ensure consistent compilation across development environments
  • Extract path mapping configurations for module resolution analysis and import optimization in large TypeScript applications
Use JSON format to create automated reports on TypeScript configuration consistency across multiple frontend projects
Integrate tsconfig parsing into build pipelines to validate compiler options before production deployments

For Build Tool Developers

  • Parse TypeScript configuration files to understand compiler options, module resolution, and output settings for build tool compatibility
  • Convert tsconfig.json to JSON for easier integration with build systems that require standard JSON configuration parsing
  • Extract TypeScript project references and composite project settings for multi-package build orchestration and dependency management
Use JSON output to implement TypeScript-aware build optimizations based on compiler options and target settings
Create build tools that automatically adapt to TypeScript configuration changes by parsing tsconfig.json programmatically

How to Convert TSConfig to JSON

  1. 1

    Select your TSConfig file

    Drag and drop your tsconfig.json file onto the converter, or click browse to choose from your files. Both simple and complex TypeScript configurations with project references are supported.

  2. 2

    Instant configuration parsing

    The browser parses your TypeScript configuration locally. All compiler options, path mappings, file inclusions, and project settings are extracted into clean JSON format without uploading your file.

  3. 3

    Download the JSON result

    Save your parsed configuration as a .json file. All processing happens in your browser for complete privacy and security.

Frequently Asked Questions

TSConfig is TypeScript's configuration file format that defines compiler options, file inclusion rules, path mappings, and project settings. It's JSON with added support for comments and extended syntax for TypeScript-specific features.

Converting to standard JSON removes TypeScript-specific comments and formatting, making the configuration easier to parse programmatically in build tools, IDEs, and automation scripts that expect pure JSON format.

Yes. The conversion process validates the tsconfig.json syntax and structure. If parsing fails, it indicates syntax errors, invalid compiler options, or malformed configuration in your TypeScript project file.

By converting to JSON, you can easily access compiler options like target, module, strict mode settings, and path mappings in any programming language that supports JSON parsing. This is essential for build tools and development utilities.

Yes. TypeScript path mappings from the paths and baseUrl properties are preserved in the JSON output, maintaining the module resolution configuration for build tools and bundlers.

All TypeScript compiler options are supported including target, module, lib, outDir, rootDir, strict, esModuleInterop, skipLibCheck, declaration, sourceMap, and hundreds of other configuration options.

No. All parsing happens locally in your browser using JavaScript. Your TypeScript configuration file never leaves your device, ensuring complete privacy for proprietary or sensitive project configurations.

TypeScript configuration files support // and /* */ comments, but standard JSON does not. The conversion removes comments while preserving all configuration data, resulting in clean, parseable JSON output.

Yes. The converter handles TypeScript configurations with project references, composite projects, and complex inheritance setups. All references and dependency configurations are preserved in the JSON output.

The extends property for configuration inheritance is preserved in the JSON output, allowing you to understand the configuration hierarchy and base configuration relationships in TypeScript projects.

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