Dataset

Convert between markdown, HTML, plain text, JSON and CSV. Body: { from, to, input }.

Dataset metadata for this Japanese (JP) corporate-number API — how many corporations are loaded and which prefectures are covered.

Converts text, JSON or JSONL to cleaned JSONL using fixed rules. Removes empty, short and duplicate rows; can repair some encoding issues. No AI or CSV parsing.

NANP area code lookup: region, state, country, timezones, current local time, toll-free/premium/geographic flags. Static authoritative dataset (450 NPAs), sub-10ms respo…

Pure-compute data format conversion (no network): JSON<->CSV, JSON<->YAML, JSON normalize/minify, Markdown->HTML (sanitized), HTML->Markdown/text, base64/hex, TOML->JSON…

Wandelt CSV in JSON oder JSON in CSV um, ohne KI (Convert CSV to JSON or JSON to CSV, deterministic).

Render JSON rows as CSV — Genesis402 / UnyKorn Operator Network

Parse CSV into JSON rows — Genesis402 / UnyKorn Operator Network

Trivia Daily answer check — validates one opaque choice ID and explains correct answers from the curated record.

Coerces messy text (key=value lines, CSV-ish, sentences) into clean JSON.

Parse CSV/TSV (RFC 4180) into a JSON array of row objects (or arrays).

Recursively parse a ZIP archive into a file inventory and structures

Parse CSV into JSON rows keyed by trimmed snake_case headers. Deterministic, no network.

IBAN validation with no network call: ISO 13616 length and structure for every country in the SWIFT IBAN registry, the mod-97 checksum, national check digits where a pub…

List every physical constant in the dataset, or only those in a given category (universal, adopted, electromagnetic, atomic, physico-chemical). Returns the constants, th…

Deterministic cross-dataset entity matching with configurable field-level scoring

Use when you need the complete NFL team form dataset 2016-2025 as files for local analysis, model training or a one-time bulk download: one zip with team state (4,320 te…

Use when you need a whole NFL season of matchups with both teams' form entering each week, in one response: every regular-season week from week 5 (13 or 14 weeks) as /sl…

Use this service before importing CSV to check data quality: missing cells, duplicate rows, required columns and declared string, integer, number, boolean or date types.…

Use this service before importing CSV to check data quality: missing cells, duplicate rows, required columns and declared string, integer, number, boolean or date types.…

Look up any US telephone area code to find the state or territory it serves, or list every area code in a given state. Covers all 404 NANP codes in use, including overla…

PremiumPin validated CSV export

Transcode a document between json, json5, jsonc, yaml, xml, csv, tsv, toml, ndjson, ini, env, properties, plist and querystring. Any source converts to any target throug…

Sniff which structured format an unknown document is. Because formats overlap, returns every plausible format with a 0–1 score plus the best guess — honest about ambigui…