CSV Data Profiler — Column Types, Stats and Quality Report

CSV Combiner | 💾 Merge CSV Files with Custom Column Order

amr-mando/csv-combiner

Combine up to three CSV files into one. Columns are matched by header name, so data stays under the right column even when the files order their columns differently. You choose the output column order.

CSV Schema Profiler

junipr/csv-schema-profiler

Profile CSV columns for inferred types, null rates, uniqueness, sample values, duplicates, and drift risks.

Convert CSV to JSON via API - from a file URL or pasted raw text (fields: url or csv). Auto-detects delimiter (comma, tab, semicolon, pipe), types values (numbers, booleans, dates), handles quoted fields. Returns JSON records + column/type report. Sync run for agents and pipelines. $0.02 per file.

Super CSV Crawler

proloser/super-csv-crawler

Upload or remote CSV file parser, with ability to specify custom column names

Parsera

parsera-labs/parsera

Extract data from any website using just a URL and column descriptions

Convert JSON to CSV. Input: url or jsonText. Output: ready-to-download CSV with nested objects flattened to dot-notation columns and keys unioned across all records. Sync run-and-return, pay-per-result at $0.02 per file converted.

Zhihu Scraper — Q&A, Answers, Articles, Columns

sian.agency/zhihu-scraper

Zhihu scraper — extract long-form Mandarin Q&A, expert answers, articles & column posts. Keyword search, question answer threads, article detail, column article list. China market research, LLM training data, competitive intel. Four operations, one clean dataset per run. No API key.

Infer a JSON Schema from a sample via API. Input: a JSON URL or pasted JSON. Output: a draft-07 JSON Schema with types, required fields, nested object and array item schemas, string formats, and detected enums. Cheap flat pay-per-file pricing per inference.

Run a JSONPath query via API. Input: a JSON document (URL or pasted) plus a JSONPath expression. Output: only the matching values as JSON records — extract exact fields from large API responses without downloading or parsing the whole payload. Cheap flat pay-per-query pricing.

Convert Excel to JSON via API. Input: a URL to an .xlsx or .xls file. Output: JSON with every sheet as an array of row objects, headers detected automatically. Handles multi-sheet workbooks. Flat, cheap pay-per-file pricing — one charge per converted file.