Clean Universal Data Lab Online
Drop in any CSV/JSON/Excel/XML — auto-detect, profile, clean, visualize, export. Use Universal Data Lab in your browser with no signup, no daily limit, and no backend processing for tool input.
Problem
You need to remove common data-quality problems before the file is imported, analyzed, converted, or shared.
What to do
Cleaning should be deliberate and reviewable. Start with safe fixes, inspect the result, and keep a copy of the original source data.
- 1Load the dataset into Universal Data Lab.
- 2Choose the cleanup rules that match the problem.
- 3Preview the changes and export the cleaned data.
Use the browser tool
Universal Data Lab is a free, all-in-one data workbench in your browser. Drop in any CSV, JSON, Excel, or XML file and it auto-detects the format, profiles every column, lets you clean and filter rows, visualize the data, and export — without uploading a single byte. It's the fastest way to get from a raw file to insight.
People also ask
- How do I use Universal Data Lab?
- Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Drop in any CSV/JSON/Excel/XML — auto-detect, profile, clean, visualize, export.
- Is my data uploaded or stored anywhere?
- No. Everything runs locally in your browser — your data is never uploaded to a server. Nothing is sent to a server, so it's safe to use with private or sensitive data.
- Is Universal Data Lab Cleaner free?
- Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.