SYSTEM TIME --:--:-- IST · 166 TOOLS LIVE · RUNS IN YOUR BROWSER — NOTHING UPLOADED
Tools / Data Tools
DATA TOOLS

Data Tools

7 free tools, all running entirely in your browser.

Free tools for converting between CSV and JSON, querying data with SQL or JSONPath, comparing two datasets, and generating mock data for testing — lightweight data manipulation without spinning up a database.

Conversion

DATA TOOLS

CSV ↔ JSON Converter

Convert between CSV and JSON, either direction.

Query & Compare

DATA TOOLS

CSV SQL Query Tool

Load one or more CSV files and query them with real SQL — joins, filters, and aggregates — entirely in your browser.
DATA TOOLS

JSON Query Tool (JSONPath)

Query a JSON file or paste using JSONPath — filters, wildcards, and recursive search — entirely in your browser.
DATA TOOLS

CSV Diff Tool

Compare two CSV exports row by row and column by column — see exactly what was added, removed, or changed.
DATA TOOLS

JSON Diff Tool

Compare two JSON objects and see exactly which fields were added, removed, or changed — free, in your browser.

Generation & Analysis

DATA TOOLS

Mock / Test Data Generator

Generate a configurable CSV of realistic fake data — names, emails, dates, numbers — for testing or trying out other tools.
DATA TOOLS

CSV Analysis Tool (EDA)

Upload a CSV and get automatic column types, missing-value counts, and statistics — free, runs in your browser.

Looking for something else?

Browse all 166 tools, or use the search box on the homepage to find a specific one.