Data Management Tools
Utilities for dataset sizing, CSV structure analysis, deduplication, JSON inspection, and statistical validation.
Free online general tools.
CSV Column Analyzer
Paste CSV sample data to detect delimiter, column count, header fields, inferred data types, and null value rates.
CSV Column Merger
Merge two or more CSV columns into a unified concatenated field using custom glue separators.
CSV Column Splitter
Split a single delimited column (such as Full Name or Street Address) into multiple distinct output columns.
CSV Data Cleaner
Sanitize CSV datasets: trim trailing whitespace, strip empty lines, format date fields, and normalize text casing.
CSV Duplicate Checker
Find, count, and isolate duplicate rows or duplicate keys from tabular CSV text datasets directly in your browser.
CSV Row Counter
Count total records, non-empty rows, comment lines, and header lines across pasted CSV datasets.
Data Quality Score Calculator
Evaluate overall dataset health across completeness, accuracy, uniqueness, validity, and timeliness dimensions.
Data Statistics Calculator
Compute essential statistical summaries (mean, median, mode, standard deviation, IQR, and variance) for number series.
Dataset Size Calculator
Estimate uncompressed and compressed storage size of relational datasets based on row count and column schemas.
JSON Data Analyzer
Parse and validate JSON arrays or objects: calculate nesting depth, total keys, data types, and byte size.