Data Engineering Toolkit
Convert, clean, dedupe, and reshape data between formats β privately.
Data work is mostly reshaping and cleaning: CSV to JSON and back, YAML to JSON, stripping duplicates, sorting lines, normalizing whitespace, generating a realistic sample set. This workspace bundles the converters and cleaners you use to get messy data into the shape a pipeline expects.
Because it all runs in the browser, you can clean sensitive datasets without uploading a single row.
The workflow
- 1
Convert the format
Move data between CSV, JSON, YAML, and XML without a script.
- 2
Clean it up
Remove duplicates, sort lines, and normalize stray whitespace.
- 3
Diff two datasets
Compare two JSON documents to see exactly what changed between them.
- 4
Generate sample data
Produce realistic mock records to test a pipeline or seed a table.
Tools in this workspace (9)
JSON β CSV Converter
Convert JSON arrays to CSV and CSV back to JSON.
CSV to Markdown Table
Turn CSV into a Markdown table β first row as the header, with Left, Center or Right column alignment.
YAML β JSON Converter
Convert one YAML document to JSON or back with safe JSON-compatible types, indentation and downloads.
JSON β XML Converter
Convert JSON and XML locally with explicit arrays, attributes and text while refusing lossy structures.
JSON Diff
Compare JSON by ID, ignore noisy paths and export a strict JSON Patch when the comparison permits.
Text Sorter & Deduplicator
Sort lines alphabetically or numerically and remove duplicates.
Whitespace Cleaner
Remove line breaks, extra spaces, and tabs from text.
Find & Replace
Replace every match at once, with case-sensitive, whole-word or regex options and a count of replacements.
Mock Data Generator
Generate repeatable test data from a custom schema; export JSON, CSV, NDJSON or SQL.
Frequently asked questions
How do I clean CSV data online without uploading it?οΌ
Use the converters and cleaners in this workspace β they run entirely in your browser, so your data is never uploaded.
Can I convert between CSV, JSON, and YAML?οΌ
Yes β the toolkit includes CSVβJSON, YAMLβJSON, and JSONβXML converters.
Is it free?οΌ
Yes β free and unlimited.
Related workflows
Last updated August 2026