Developer Tools

Paste a JSONL training file, find broken lines and message-role mistakes, then export the valid records.

Turn spreadsheet rows into one JSON object per line with a local CSV parser and copy-ready export.

Check a JSON Schema for common structured-output constraints before wiring it into an LLM request.

Paste a five-field cron expression and see what GitHub Actions will run next in UTC and local time.

Paste a dotenv file, catch duplicate or malformed keys, and generate a safer example file locally.

Paste browser Copy as cURL output and turn it into readable fetch code without sending the request anywhere.

Validate MCP server configs for command, URL, args, env values, and transport mistakes before sharing them.

Paste a cURL command and generate Python requests code with headers, method, and JSON body handling.

Estimate prompt tokens and request cost from pasted text plus editable per-million token rates.

Model repeated prompt-cache scenarios and compare cached versus uncached request cost.

Turn labeled prompt notes into escaped XML sections that are easier to paste into Claude workflows.

Find missing, unused, and repeated template variables across prompt text and a sample JSON payload.

Redact cookies, authorization headers, tokens, emails, and secrets from HAR JSON before sending it to support.

Compare two OpenAPI JSON specs and flag removed or added operations in a copy-ready changelog.

Expand GitHub Actions matrix axes, include rules, and exclude rules into a concrete job preview.

Remove emails, bearer tokens, API keys, JWTs, and cookies from prompts or logs before sharing them.

Lint OpenAPI security schemes, insecure server URLs, and operations without visible security requirements.

Generate copy-ready cURL examples and JSON payloads from OpenAPI request-body schemas.

Convert JSON Schema objects into TypeScript types with required fields, arrays, enums, and nested objects.

Infer a TypeScript type from sample JSON, including nested objects, arrays, booleans, numbers, and nulls.

Summarize HAR request entries with method, URL, status, and timing without uploading the export.

Resolve common Docker Compose ${VAR} expressions against pasted env values and preview the final YAML.

Preview which Docker Compose services are active for selected profile combinations.

Scan NDJSON records for field drift, missing keys, invalid lines, and mixed value types.

Compare two dotenv snapshots and report missing, extra, or changed environment keys.

Score an AI app launch against privacy, security, secret handling, and abuse-control checklist gaps before real users arrive.