Developer & Data Utility Hub

Convert JSON to clean, readable YAML instantly. Choose 2 or 4 space indentation, validate JSON in real time, then copy or download — nothing ever leaves your browser.

Convert YAML to formatted or minified JSON in one click. Real-time validation, pretty 2-space output or compact single-line JSON, copy and download — 100% client-side.

Convert JSON arrays or objects to CSV instantly. Nested objects are flattened into dot notation, arrays kept as clean JSON cells, with live preview and one-click .csv download.

Turn JSON arrays into real .xlsx spreadsheets in seconds. Auto-sized columns, a live spreadsheet preview, plus one-click Excel and PDF table export — 100% local and free.

Generate strongly-typed C# classes from JSON instantly. Nested objects, List<T>, DateTime, nullable types, JsonPropertyName attributes and PascalCase options — copy ready-to-use code.

Generate Python Pydantic v2 BaseModel classes from JSON. Nested models, Optional fields, list[...] and dict[...] hints, aliases via Field — copy-paste ready Python code.

Convert CSV files to real .xlsx Excel workbooks instantly. Live spreadsheet preview, auto-sized columns, one-click download — 100% private and free.

Turn any CSV into a clean, styled PDF table in seconds. Choose portrait or landscape orientation with repeated headers on every page — runs 100% in your browser.

Convert CSV data into CREATE TABLE and INSERT INTO statements with smart type inference. PostgreSQL, MySQL/MariaDB and SQLite dialects — copy ready-to-run SQL.

Convert bank CSV exports to QuickBooks Web Connect (.qbo) files. Map date, payee and amount columns, set account details and import transactions in seconds — 100% local.

Estimate OpenAI, Anthropic and Gemini API costs instantly. Compare GPT-4o, o1, Claude 3.5 Sonnet and Gemini pricing, toggle batch discounts and project monthly spend.

Convert any cURL command into clean Python code. Get ready-to-run requests, httpx and FastAPI snippets with headers, auth, JSON and form data preserved — free and private.

Turn cURL commands into structured JSON request objects, or generate a ready-to-paste n8n HTTP Request node. Headers, auth, query strings and bodies preserved — 100% local.

Build Slack messages visually — headers, markdown, buttons and image blocks. Live preview, generated JSON payload and one-click test delivery to your webhook URL.

Convert any docker run command into a clean docker-compose.yml. Parses ports, volumes, env vars, restart policy and networks, with optional Traefik label generation.