Generate realistic CSV data with smart column detection — names, emails, ages, phones, cities, and more based on column headers.
21 CSV tools (extract, rename, clean, dedup, validate, merge, pivot, filter, sort, split, stats, transpose + exports to HTML/MD/NDJSON/SQL/TSV/Excel), 14 JSON tools (diff, flatten, escape, path finder, schema generator, size analyzer, TypeScript/Zod generators, JWK, JSONL, NDJSON), data converters (JSON↔YAML/XML/TOML/URL/CSV), and data generators (UUID, hex, base64, names, emails, phones, dates, IPs, CSV/JSON rows).
Analyze CSV, generate CSV data, query JSON with path expressions, compare JSON diffs, minify JSON, sort CSV, view JSON tree, and preview CSV tables.
Preview CSV data as an HTML table with column headers and row-limited display showing up to 10 rows.
Generate realistic webhook payload examples with customizable event names and data fields. Test your webhook handlers with realistic data.
Parses structured JSON data—including nested objects and arrays—and flattens it into a clean CSV spreadsheet with proper column headers.
CSV Data Generator lets you generate realistic CSV data with smart column detection — names, emails, ages, phones, cities, and more based on column headers.. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Generate realistic CSV data with smart column detection — names, emails, ages, phones, cities, and more based on column headers. It's ideal for developers, designers, and anyone who needs to generate realistic csv data with smart column detection — names, emails, ages, phones, cities, and more based on column headers without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Paste or type your content directly into the provided editor area.
Yes. After the initial page load, CSV Data Generator runs entirely on your device with no internet connection needed. All processing is done locally.
Yes, this tool is completely free. No credit card or registration is required for standard usage.
All processing happens 100% locally in your browser. Your data is never uploaded to any server.
Yes. Once the page has loaded, the tool runs entirely offline without requiring an internet connection.
Standard tools are unlimited. Pro tools allow free daily usage with an option to upgrade.
Any modern web browser (Chrome, Firefox, Safari, Edge) on desktop or mobile. No installation needed.
Privacy Cleaner
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Speed Test
Measures your internet connection’s download speed, upload speed, and latency by transferring real test data to geographically distributed servers.
Wheel of Names
Displays an animated spinning wheel that randomly selects one entry from a customizable list of names or options.
QR Code Generator
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Random Number Generator
Generates cryptographically secure random integers or decimals within a user-defined min-max range with optional repetition filtering.
Resume Builder
Provides a structured, form-based interface for entering work history, education, and skills, then renders a professionally formatted PDF resume.