tool.ren

Data File Workbench

Open CSV, TSV, JSON, NDJSON, Excel, and Parquet locally, then profile fields, filter and sort rows, handle missing values, deduplicate, convert types, and export to multiple formats.

12rows
9columns
0.9%1 missing
1duplicates
#
1ORD-1001Lin ChenEastMechanical KeyboardAccessories289.92026-07-03Completed
2ORD-1002Maya PatelWest4K MonitorDisplay14292026-07-04Completed
3ORD-1003Jon BellNorthUSB-C HubAccessories349.52026-07-04Pending
4ORD-1004Ava HuangEastErgonomic ChairOffice13292026-07-05Completed
5ORD-1005Noah SmithSouthWebcamVideo2792026-07-06Refunded
6ORD-1006Sofia RossiWestStanding DeskOffice15192026-07-07Completed
7ORD-1007Ethan WuEastNoise-cancelling HeadphonesAudio12492026-07-08Pending
8ORD-1008Mia WilsonNorthLaptop StandOffice2582026-07-08Completed
9ORD-1009Leo MartinSouthMechanical KeyboardAccessories189.92026-07-09null
10ORD-1010Amelia BrownWest4K MonitorDisplay24292026-07-10Completed
11ORD-1011Oliver LeeEastUSB-C HubAccessories149.52026-07-11Completed
12ORD-1011Oliver LeeEastUSB-C HubAccessories149.52026-07-11Completed
Showing 12 of 12 rows

About Data File Workbench

Clean, profile, and convert CSV, Excel, and Parquet. Open CSV, TSV, JSON, NDJSON, Excel, and Parquet locally, then profile fields, filter and sort rows, handle missing values, deduplicate, convert types, and export to multiple formats. The core workflow is designed to run in your current browser.

Key capabilities

  • Two-way CSV, TSV, JSON, NDJSON, Excel, and Parquet conversion
  • Filters, sorting, deduplication, missing values, replacement, and type conversion
  • Field types, completeness, uniqueness, ranges, and top values
  • Files stay local and export to six practical formats

Useful for

  • Clean spreadsheet data before delivery or system import
  • Convert between CSV, Excel, JSON, and Parquet
  • Inspect field quality and anomalies in exported data

Frequently asked questions

Is Data File Workbench free to use online?

Yes. Data File Workbench opens in a modern browser and does not require desktop software installation.

What is Data File Workbench useful for?

Common use cases include Clean spreadsheet data before delivery or system import; Convert between CSV, Excel, JSON, and Parquet.

Is my input or file uploaded?

The core processing workflow is designed to run locally in the browser. Key capabilities include Two-way CSV, TSV, JSON, NDJSON, Excel, and Parquet conversion, Filters, sorting, deduplication, missing values, replacement, and type conversion, Field types, completeness, uniqueness, ranges, and top values; account, comments, and anonymous analytics may still create normal site requests.

Comments

0 comments

Sign in to comment
AAccount

Sign in to comment and reply.

Sign in
No comments yet. Be the first to leave feedback.

ToolRen Online Toolkit © 2026