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.
Cloud tools (AWS IAM policy analyzer), converters (JSON to YAML, Excel to CSV), CIDR calculator, and extras (hash generator SHA-1/256/384/512, Markdown quick editor with live preview). (Password strength checker has its own dedicated page.)
Generate realistic CSV data with smart column detection — names, emails, ages, phones, cities, and more based on column headers.
TOML tools (JSON to TOML, TOML to JSON, TOML validator), YAML tools (YAML to JSON, JSON to YAML, JSON to Toon, YAML validator), XML & SQL tools (XML to JSON/YAML/CSV/Toon, XML validator, SQL INSERT to JSON/CSV), and TSV tools (TSV to CSV).
Format converters (INI to JSON, JSON to TOML, JSON to Toon, MessagePack/CBOR inspector), data tools (Excel data cleaner, Excel sheet merger, dataset analyzer, data anonymizer), code converters (code to cURL, cURL to code, JSON-RPC builder), and analyzers (HAR file analyzer, log file analyzer, package.json validator, MIME type finder).
Data Toolkit lets you 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).. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
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). It's ideal for developers, designers, and anyone who needs to 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) without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Common file formats are supported for upload-based tools.
Yes. After the initial page load, Data Toolkit 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
Scans and clears browser cookies, localStorage, sessionStorage, and cached data for the current site.
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
Renders a scannable QR code from any text or URL using a client-side Reed-Solomon encoder. Download as PNG.
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.