CSV & JSON Data Quality Profiler

Profile missing fields, nulls, empty strings, JSON types, distinct counts, and duplicate keys in an Apify dataset.

Data Validator & Profiler — CSV JSON XML schema inference

perryay/data-validator-profiler

Validate and profile CSV, JSON, and XML datasets. Auto-detects schema (column types, null ratios, uniqueness), flags anomalies (mixed types, high nulls), and produces a detailed profile report. Supports batch mode for multiple datasets.

CSV Schema Profiler

junipr/csv-schema-profiler

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

Generate a compact data quality report from CSV input, including schema, missing values, numeric summaries, and a data preview.

CSV Join Quality Checker

junipr/csv-join-quality-checker

Check whether two CSV files are safe to join by analyzing key coverage, null keys, duplicates, type mismatches, whitespace/case drift, cardinality, unmatched rows, and likely row multiplication.

Clean CSV, Excel, or JSON files with audit trails, PII masking, and budget control. Remove duplicates, fix missing values, standardize dates/numbers, and get quality reports.

Smart Dataset Merger, Cleaner & Pattern Splitter (CSV + XLSX)

thecfmarketing/smart-dataset-merger-cleaner

Merge mixed CSV & Excel files by pattern, standardize columns, clean leads, remove duplicates, extract domains, and split outputs by row limits.

Convert HTML string to A4 PDF.