Parse The Data
Local only

Deduplication

Remove duplicate rows with one click.

Data workspace

Ready in this tab

Source

0 B Processed locally

Paste data or choose a file to begin.

Analysis canvas

Ready when you are.

  1. Add a local file or paste data.
  2. Analyze format, quality, and likely sensitive fields.
  3. Review, clean, and export the in-tab working copy.
01 / Parse

Know the shape of the data.

Detect delimiters, validate structured text, and surface useful error locations.

02 / Review

Spot quality and privacy risks.

Measure completeness, duplicates, mixed values, and likely identifiers before sharing.

03 / Prepare

Clean a working copy locally.

Trim, deduplicate, mask, infer a schema, and export without changing the original file.

Focused utilities

Start with the job in front of you.

Every route opens the same private engine with guidance tailored to that format.

CSV cleanerProfile + clean tables JSON validatorValidate + inspect records JSONL converterPrepare streaming data Schema generatorInfer a data contract Delimiter detectorFind hidden separators PII scannerCatch obvious exposure

Practical guide

Clean duplicate data in seconds

Duplicate rows mess up analysis and waste space. This tool finds and removes exact duplicates—same values in every column.

  • 01Upload or paste CSV, JSON, or JSONL.
  • 02Click 'Remove Duplicates'.
  • 03See how many were removed.
  • 04Download the clean data.
What counts as a duplicate?

A duplicate is a row that has exactly the same values in all columns as another row. If even one value is different, it's not a duplicate.

Which duplicate is kept?

The first occurrence of each duplicate is kept. All others are removed.

Does Parse The Data upload my files?

No. Parsing, profiling, cleanup, and export run inside your browser tab. The application does not send dataset contents to our server or any third party.

What file types are supported?

The first release supports CSV, TSV, JSON, and JSON Lines (JSONL or NDJSON), including pasted text and local files.

Can it detect every privacy risk?

No. The privacy scan uses deterministic patterns and column-name hints. It can find common emails, phone numbers, IP addresses, SSNs, and payment-card patterns, but it is not a substitute for a formal privacy review.

Designed for restraint

The server delivers the tool. It never receives the dataset.

Parsing runs in a separate browser thread. There are no accounts, upload endpoints, third-party scripts, advertising trackers, or cloud storage in the analysis path.

Use the PII scan as an early warning—not as legal advice or a compliance certification.