# JSON Suite

> Free, fast, and private JSON tools for developers. All processing runs 100% in your browser.

JSON Suite is a collection of online JSON utilities that work entirely client-side. No data is ever sent to a server, making it safe for sensitive configuration files, API keys, and authentication tokens.

## Quick Links

- Homepage: https://jsonsuit.com/
- Documentation: https://jsonsuit.com/faq
- Blog: https://jsonsuit.com/blog
- About: https://jsonsuit.com/about
- Contact: https://jsonsuit.com/contact

## Tools

### Format & Validate
- [JSON Formatter & Validator](https://jsonsuit.com/json-formatter): Pretty-print, minify, and validate JSON with syntax highlighting, table view, tree view, sharing, and history.
- [JSON Compare & Diff](https://jsonsuit.com/json-compare): Compare two JSON objects side-by-side with color-coded difference highlighting.
- [Auto-Fix Invalid JSON](https://jsonsuit.com/fix-json): Automatically repair broken JSON — fix missing commas, quotes, brackets, and more.
- [JSON Tree Viewer](https://jsonsuit.com/json-tree): Explore JSON in an expandable tree with search, path copying, key/value highlighting, and image URL preview on hover.

### Convert
- [JSON ↔ CSV](https://jsonsuit.com/json-csv): Convert between JSON arrays and CSV in either direction with preview and download.
- [JSON ↔ XML](https://jsonsuit.com/xml-json): Convert between XML and JSON with attribute support and proper formatting.
- [JSON → Excel](https://jsonsuit.com/json-to-excel): Convert JSON arrays to Excel files with nested object flattening.
- [JSON ↔ YAML](https://jsonsuit.com/json-yaml): Convert between JSON and YAML with proper indentation and type handling.
- [Bulk Convert](https://jsonsuit.com/bulk-convert): Upload multiple JSON files and convert them all at once. Download as ZIP.

### Developer Tools
- [JSON → TypeScript](https://jsonsuit.com/json-to-typescript): Generate TypeScript interfaces from JSON with proper types.
- [JSON Schema Generator](https://jsonsuit.com/json-schema): Generate JSON Schema with types, required fields, and nested definitions.
- [JSON Grammar Diagrams](https://jsonsuit.com/json-grammar): Interactive railroad diagrams visualizing JSON grammar and parsing.
- [JWT Decoder](https://jsonsuit.com/jwt-decoder): Decode and inspect JSON Web Tokens — view header, payload, expiry, and claims.
- [Base64 Encode/Decode](https://jsonsuit.com/base64): Encode text to Base64 or decode Base64 back to readable text.
- [URL Encode/Decode](https://jsonsuit.com/url-encode): Encode special characters for URLs or decode percent-encoded strings.
- [JSON Path Query](https://jsonsuit.com/json-path): Use JSONPath expressions to extract and filter specific data from JSON.
- [JSON Search](https://jsonsuit.com/json-search): Find keys and values anywhere in JSON with full-text search.
- [JSON Sorter](https://jsonsuit.com/json-sorter): Sort JSON object keys alphabetically (A-Z or Z-A) recursively.
- [JSON Escape/Unescape](https://jsonsuit.com/json-escape): Escape JSON for embedding in strings or unescape stringified JSON.
- [JSON Flatten/Unflatten](https://jsonsuit.com/json-flatten): Convert nested JSON to flat dot notation and back.
- [JSON Size Analyzer](https://jsonsuit.com/json-size): Analyze JSON size, depth, structure, and find largest nodes.

### AI Tools
- [LLM Token Counter](https://jsonsuit.com/token-counter): Estimate tokens and calculate API costs for GPT-4, Claude, Gemini, and other LLMs.

### Code Generators
- [JSON → Code](https://jsonsuit.com/json-to-code): Generate typed code in 8 languages: Python, Go, Java, C#, Kotlin, Swift, Rust, PHP.
- [JSONC → JSON](https://jsonsuit.com/jsonc-to-json): Strip comments and trailing commas from JSONC/JSON5 config files.
- [JSON5 Formatter](https://jsonsuit.com/json5): Format and convert JSON5 to standard JSON with comments, trailing commas, unquoted keys support.

### Free Datasets
- [JSON Datasets](https://jsonsuit.com/datasets): Download free JSON datasets for testing: countries, currencies, users, products, and more.

## Key Features

- **100% Client-Side**: All processing happens in your browser. No data is uploaded to any server.
- **No Account Required**: No sign-up, no login, no email verification.
- **Works Offline**: Progressive Web App (PWA) that works without internet after first visit.
- **Free Forever**: No premium tiers, no usage limits, no hidden costs.
- **Privacy-First**: Safe for sensitive data like API keys and configuration files.

## Popular Blog Articles

- [JSON Tutorial for Beginners](https://jsonsuit.com/blog/json-tutorial-beginners): Learn JSON from scratch with simple, step-by-step examples.
- [JSON in Multiple Languages](https://jsonsuit.com/blog/json-in-multiple-languages): Code examples for Python, JavaScript, Java, PHP, C#, Go, Ruby, Rust, Swift, Kotlin.
- [What is JSON?](https://jsonsuit.com/blog/what-is-json): Complete guide to JSON format, syntax, and data types.
- [Common JSON Errors](https://jsonsuit.com/blog/common-json-errors): How to identify and fix the most frequent JSON syntax mistakes.
- [JSON vs XML vs YAML](https://jsonsuit.com/blog/json-vs-xml-vs-yaml): When to use each data format and their trade-offs.
- [Parse JSON in JavaScript](https://jsonsuit.com/blog/parse-json-javascript): Using JSON.parse() and JSON.stringify() effectively.
- [How to Format JSON](https://jsonsuit.com/blog/how-to-format-json): Best practices for pretty-printing and minifying JSON.
- [JSONPath Tutorial](https://jsonsuit.com/blog/jsonpath-tutorial): Query JSON documents with selectors, filters, and wildcards.
- [URL Encoding Guide](https://jsonsuit.com/blog/url-encoding-guide): Complete guide to percent-encoding, encodeURI vs encodeURIComponent.
- [JSON5 Explained](https://jsonsuit.com/blog/json5-guide): JSON5 features, syntax, and when to use it over standard JSON.
- [LLM Tokens Guide](https://jsonsuit.com/blog/llm-tokens-guide): Understanding tokens and API pricing for GPT-4, Claude, Gemini.
- [TypeScript from JSON](https://jsonsuit.com/blog/typescript-from-json): Generate TypeScript interfaces from JSON API responses.

## Technical Details

- Maximum file size: 10MB (browser-dependent)
- Supported browsers: Chrome, Firefox, Safari, Edge (latest versions)
- No server-side processing — everything runs in JavaScript
- Open to embedding via iframes for internal tools

## Contact

- Website: https://jsonsuit.com/contact
- Email: support@jsonsuit.com

## License

Content on JSON Suite is copyrighted. You may reference and link to our tools and articles. Content should not be used to train AI models without permission.

---

*Last updated: October 2026*