Understanding and Fixing Common JSON Syntax Errors: RFC 8259 Guide | GoToolstack
Resolve trailing commas, single quote errors, and unquoted keys in JSON. Learn why BigInt precision matters and how to format clean payloads.
Convert raw cURL shell commands into native Python, JavaScript fetch, and Go code.
cURL commands represent the universal syntax for documenting HTTP API requests in documentation and terminal workflows. However, translating terminal cURL snippets into application code requires parsing HTTP methods, custom headers, authentication tokens, and request bodies. The cURL Converter translates raw cURL commands into idiomatic JavaScript (Native Fetch), Node.js (Axios), Python (Requests), and Go (net/http).
A software developer tests an API request in terminal documentation: curl -X POST https://api.example.com/v1/orders -H 'Content-Type: application/json' -H 'Authorization: Bearer sec_tok_8412' -d '{"productId": 401, "quantity": 2}'. Pasting the command and selecting Python (requests) compiles the shell flags into idiomatic Python code: import requests\n\nheaders = {'Content-Type': 'application/json', 'Authorization': 'Bearer sec_tok_8412'}\ndata = '{"productId": 401, "quantity": 2}'\n\nresponse = requests.post('https://api.example.com/v1/orders', headers=headers, data=data). Switching target language to JavaScript (fetch) instantly generates clean async/await fetch syntax with matching options.
The lexer parses command-line flags (-X, -H, -d, --data-raw) locally in browser memory, protecting proprietary API tokens from network logging.
cURL Text ➔ Shell Lexer & Flag Extractor [-X, -H, -d, --data] ➔ Request AST ➔ Target Language Template Compilation
Parses shell tokens and command-line parameters into HTTP request primitives (method, URL, headers, body); compiles primitives into idiomatic language-specific code snippets.
YOUR_API_KEY) to prevent accidental credential leakage.